149 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Jiong Wang
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b41c5a85a7 |
[gdbarch] New method "execute_dwarf_cfa_vendor_op" and migrate SPARC to it
Recently a feature called "return address signing" has been added to GCC to prevent stack smash stack on AArch64. For details please refer: https://gcc.gnu.org/ml/gcc-patches/2017-01/msg00376.html GDB needs to be aware of this feature so it can restore the original return address which is critical for unwinding. On compiler side, whenever return address, i.e. LR register, is mangled or restored by hardware instruction, compiler is expected to generate a DW_CFA_AARCH64_negate_ra_state to toggle return address signing status. DW_CFA_AARCH64_negate_ra_state is using the same CFI number and therefore need to be multiplexed with DW_CFA_GNU_window_save which was designed for SPARC. A new gdbarch method "execute_dwarf_cfa_vendor_op" is introduced by this patch. It's parameters has been restricted to those only needed by SPARC and AArch64 for multiplexing DW_CFA_GNU_window_save which is a CFI operation takes none operand. Should any further DWARF CFI operation want to be multiplexed in the future, the parameter list can be extended. Below is the current function prototype. typedef int (gdbarch_execute_dwarf_cfa_vendor_op_ftype) (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs); DW_CFA_GNU_window_save support for SPARC is migrated to this new gdbarch method by this patch. gdb/ * gdbarch.sh: New gdbarch method execute_dwarf_cfa_vendor_op. * gdbarch.c: Regenerated. * gdbarch.h: Regenerated. * dwarf2-frame.c (dwarf2_frame_state_alloc_regs): Made the visibility external. (execute_cfa_program): Call execute_dwarf_cfa_vendor_op for CFI between DW_CFA_lo_user and DW_CFA_high_user inclusive. (enum cfa_how_kind): Move to ... (struct dwarf2_frame_state_reg_info): Likewise. (struct dwarf2_frame_state): Likewise. * dwarf2-frame.h: ... here. (dwarf2_frame_state_alloc_regs): New declaration. * sparc-tdep.c (sparc_execute_dwarf_cfa_vendor_op): New function. (sparc32_gdbarch_init): Register execute_dwarf_cfa_vendor_op hook. |
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Joel Brobecker
|
61baf725ec |
update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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Yao Qi
|
04180708ef |
Remove GDBARCH_BREAKPOINT_MANIPULATION and SET_GDBARCH_BREAKPOINT_MANIPULATION
Both of them are used in conversion. We can remove them since the conversion is done. There are many architectures only have one breakpoint instruction, so their gdbarch methods breakpoint_kind_from_pc and sw_breakpoint_from_kind look very similar. Instead of macro, we use template "template <size_t, const gdb_byte *> struct bp_manipulation" for these architectures. In order to use template, I also change breakpoint instruction of type "static const gdb_byte[]" to "constexpr gdb_byte[]", and rename them to ARCH_break_insn. gdb: 2016-11-03 Yao Qi <yao.qi@linaro.org> Pedro Alves <palves@redhat.com> * aarch64-tdep.c (aarch64_default_breakpoint): Change it to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (aarch64_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * alpha-tdep.c (break_insn): Rename to alpha_break_insn. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (alpha_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * arc-tdep.c (arc_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * arch-utils.h (GDBARCH_BREAKPOINT_MANIPULATION): Remove. (struct bp_manipulation): New. (SET_GDBARCH_BREAKPOINT_MANIPULATION): Remove. (struct bp_manipulation_endian): New. (BP_MANIPULATION): New. (BP_MANIPULATION_ENDIAN): New. * arm-tdep.c (arm_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * avr-tdep.c (avr_break_insn): Change it constexpr. (avr_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * bfin-tdep.c (bfin_gdbarch_init): Likewise. * cris-tdep.c (cris_gdbarch_init): Likewise. * frv-tdep.c (breakpoint): Rename it to frv_break_insn, and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (frv_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * ft32-tdep.c (breakpoint): Rename it to ft32_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (ft32_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * h8300-tdep.c (breakpoint): Rename it to h8300_break_insn. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (h8300_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * hppa-tdep.c (breakpoint): Rename it to h8300_break_insn. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (hppa_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * i386-tdep.c (break_insn): Rename it to i386_break_insn. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (i386_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * iq2000-tdep.c (iq2000_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * lm32-tdep.c (breakpoint): Rename it to lm32_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (lm32_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * m32c-tdep.c (break_insn): Rename it to m32c_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (m32c_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * m32r-tdep.c (m32r_gdbarch_init): Likewise. * m68hc11-tdep.c (breakpoint): Rename it to m68hc11_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (m68hc11_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * m68k-tdep.c (break_insn): Rename it to m68k_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (m68k_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * m88k-tdep.c (break_insn): Rename it to m88k_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (m88k_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * mep-tdep.c (breakpoint): Rename it to mep_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (mep_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * microblaze-tdep.c (break_insn): Rename it to microblaze_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (microblaze_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * mips-tdep.c (mips_gdbarch_init): Likewise. * mn10300-tdep.c (breakpoint): Rename it to mn10300_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (mn10300_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * moxie-tdep.c (breakpoint): Rename it to moxie_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (moxie_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * msp430-tdep.c (breakpoint): Rename it to msp430_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (msp430_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * mt-tdep.c (mt_gdbarch_init): Likewise. * nds32-tdep.c (break_insn): Rename it to nds32_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (nds32_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * nios2-tdep.c (nios2_gdbarch_init): Likewise. * rl78-tdep.c (breakpoint): Rename it to rl78_break_ins and change its type to rl78_break_insn. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (rl78_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * rs6000-tdep.c (big_breakpoint): Change its type to constexpr. (little_breakpoint): Likewise. Don't use GDBARCH_BREAKPOINT_MANIPULATION_ENDIAN. (rs6000_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * rx-tdep.c (breakpoint): Rename it to rx_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (rx_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * s390-linux-tdep.c (breakpoint): Rename it to s390_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION (s390_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * score-tdep.c (score_gdbarch_init): Likewise. * sh-tdep.c (sh_gdbarch_init): Likewise. * sh64-tdep.c (sh64_gdbarch_init): Likewise. * sparc-tdep.c (break_insn): Rename it to sparc_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (sparc32_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * spu-tdep.c (breakpoint): Rename it to spu_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (spu_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * tic6x-tdep.c (tic6x_gdbarch_init): Likewise. * tilegx-tdep.c (breakpoint): Rename it to tilegx_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (tilegx_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * v850-tdep.c (v850_gdbarch_init): Likewise. * vax-tdep.c (break_insn): Rename it to vax_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (vax_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * xstormy16-tdep.c (breakpoint): Rename it to xstormy16_break_insn and change its type to constexpr. Don't use GDBARCH_BREAKPOINT_MANIPULATION. (xstormy16_gdbarch_init): Don't use SET_GDBARCH_BREAKPOINT_MANIPULATION. * xtensa-tdep.c (xtensa_gdbarch_init): Likewise. |
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Yao Qi
|
833b7ab500 |
Determine the kind of single step breakpoint
This patch adds a new gdbarch method breakpoint_kind_from_current_state for single step breakpoint, and uses it in breakpoint_kind. gdb: 2016-11-03 Yao Qi <yao.qi@linaro.org> * arch-utils.c (default_breakpoint_kind_from_current_state): New function. * arch-utils.h (default_breakpoint_kind_from_current_state): Declare. * arm-tdep.c (arm_breakpoint_kind_from_current_state): New function. (arm_gdbarch_init): Call set_gdbarch_breakpoint_kind_from_current_state. * breakpoint.c (breakpoint_kind): Call gdbarch_breakpoint_kind_from_current_state for single step breakpoint. Update comments. * gdbarch.sh (breakpoint_kind_from_current_state): New. * gdbarch.c, gdbarch.h: Regenerate. |
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Yao Qi
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22f13eb869 |
Add default_breakpoint_from_pc
This patch adds the default implementation of gdbarch breakpoint_from_pc,
which is,
const gdb_byte *
default_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
int *lenptr)
{
int kind = gdbarch_breakpoint_kind_from_pc (gdbarch, pcptr);
return gdbarch_sw_breakpoint_from_kind (gdbarch, kind, lenptr);
}
so gdbarch can only defines sw_breakpoint_from_kind and
breakpoint_kind_from_pc.
gdb:
2016-11-03 Yao Qi <yao.qi@linaro.org>
* arch-utils.c (default_breakpoint_from_pc): New function.
* arch-utils.h (GDBARCH_BREAKPOINT_FROM_PC): Remove.
(GDBARCH_BREAKPOINT_MANIPULATION): Don't use
GDBARCH_BREAKPOINT_FROM_PC.
(SET_GDBARCH_BREAKPOINT_MANIPULATION): Don't call
set_gdbarch_breakpoint_from_pc.
(default_breakpoint_from_pc): Remove declaration.
* gdbarch.sh (breakpoint_from_pc): Add its default implementation.
* gdbarch.c, gdbarch.h: Regenerate.
* arm-tdep.c: Don't use GDBARCH_BREAKPOINT_FROM_PC.
* arc-tdep.c, bfin-tdep.c, cris-tdep.c, iq2000-tdep.c: Likewise.
* m32r-tdep.c, mips-tdep.c, mt-tdep.c: Likewise.
* nios2-tdep.c, score-tdep.c, sh-tdep.c: Likewise.
* sh64-tdep.c, tic6x-tdep.c, v850-tdep.c, xtensa-tdep.c: Likewise.
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Yao Qi
|
c0f4a997c2 |
Remove gdbarch_remote_breakpoint_from_pc
This patch removes gdbarch method remote_breakpoint_from_pc, as it is no longer used. gdb: 2016-11-03 Yao Qi <yao.qi@linaro.org> * arch-utils.c (default_remote_breakpoint_from_pc): Remove. * arch-utils.h (default_remote_breakpoint_from_pc): Remove. * arm-tdep.c (arm_remote_breakpoint_from_pc): Remove. (arm_gdbarch_init): Don't call set_gdbarch_remote_breakpoint_from_pc. * gdbarch.sh (remote_breakpoint_from_pc): Remove. * gdbarch.c, gdbarch.h: Regenerate. * mips-tdep.c (mips_remote_breakpoint_from_pc): Remove. (mips_gdbarch_init): Don't call set_gdbarch_remote_breakpoint_from_pc. |
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Yao Qi
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cd6c3b4ffc |
New gdbarch methods breakpoint_kind_from_pc and sw_breakpoint_from_kind
This patch adds two gdbarch methods breakpoint_kind_from_pc and
sw_breakpoint_from_kind, and uses target_info.placed_size as "kind"
of the breakpoint. This patch updates the usages of
target_info.placed_size.
The "kind" of a breakpoint is determined by gdbarch rather than
target, so we have gdbarch method breakpoint_kind_from_pc, and we
should set target_info.placed_size out of each implementation of
target to_insert_breakpoint. In this way, each target doesn't have
to set target_info.placed_size any more.
This patch also sets target_info.placed_address before
target_insert_breakpoint too, so that target to_insert_breakpoint
can use it, see record_full_insert_breakpoint.
Before we call target_insert_breakpoint, we set
target_info.placed_address and target_info.placed_size like this,
CORE_ADDR addr = bl->target_info.reqstd_address;
bl->target_info.placed_size = gdbarch_breakpoint_kind_from_pc (bl->gdbarch, &addr);
bl->target_info.placed_address = addr;
return target_insert_breakpoint (bl->gdbarch, &bl->target_info);
target_insert_breakpoint may fail, but it doesn't matter to the "kind"
and "placed_address" of a breakpoint. They should be determined by
gdbarch.
gdb:
2016-11-03 Yao Qi <yao.qi@linaro.org>
* arch-utils.h (GDBARCH_BREAKPOINT_MANIPULATION): Define
breakpoint_kind_from_pc and sw_breakpoint_from_kind.
(GDBARCH_BREAKPOINT_MANIPULATION_ENDIAN): Likewise.
(SET_GDBARCH_BREAKPOINT_MANIPULATION): Call
set_gdbarch_breakpoint_kind_from_pc and
set_gdbarch_sw_breakpoint_from_kind.
* arm-tdep.c: Add comments.
* bfin-tdep.c: Likewise.
* breakpoint.c (breakpoint_kind): New function.
(insert_bp_location): Set target_info.placed_size and
target_info.placed_address.
(bkpt_insert_location): Likewise.
* cris-tdep.c: Add comments.
* gdbarch.sh (breakpoint_kind_from_pc): New.
(sw_breakpoint_from_kind): New.
* gdbarch.c, gdbarch.h: Regenerated.
* ia64-tdep.c (ia64_memory_insert_breakpoint): Don't set
bp_tgt->placed_size.
(ia64_memory_remove_breakpoint): Don't assert
bp_tgt->placed_size.
(ia64_breakpoint_kind_from_pc): New function.
(ia64_gdbarch_init): Install ia64_breakpoint_kind_from_pc.
* m32r-tdep.c (m32r_memory_insert_breakpoint): Don't set
bp_tgt->placed_size.
* mem-break.c (default_memory_insert_breakpoint): Don't set
bp_tgt->placed_size. Call gdbarch_sw_breakpoint_from_kind.
(default_memory_remove_breakpoint): Call
gdbarch_sw_breakpoint_from_kind.
(memory_validate_breakpoint): Don't check bp_tgt->placed_size.
* mips-tdep.c: Add comments.
* mt-tdep.c: Likewise.
* nios2-tdep.c: Likewise.
* record-full.c (record_full_insert_breakpoint): Don't call
gdbarch_breakpoint_from_pc. Don't set bp_tgt->placed_address
and bp_tgt->placed_size.
* remote.c (remote_insert_breakpoint): Don't call
gdbarch_remote_breakpoint_from_pc. Use bp_tgt->placed_size.
Don't set bp_tgt->placed_address and bp_tgt->placed_size.
(remote_insert_hw_breakpoint): Likewise.
* score-tdep.c: Likewise.
* sh-tdep.c: Likewise.
* tic6x-tdep.c: Likewise.
* v850-tdep.c: Likewise.
* xtensa-tdep.c: Likewise.
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Yao Qi
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d19280adb5 |
Split breakpoint_from_pc to breakpoint_kind_from_pc and sw_breakpoint_from_kind
We convert each ARCH_breakpoint_from_pc to ARCH_breakpoint_kind_from_pc and ARCH_sw_breakpoint_from_kind. Note that gdbarch doesn't have methods breakpoint_kind_from_pc and sw_breakpoint_from_kind so far. gdb: 2016-11-03 Yao Qi <yao.qi@linaro.org> * arch-utils.h (GDBARCH_BREAKPOINT_FROM_PC): New macro. (GDBARCH_BREAKPOINT_MANIPULATION_ENDIAN): New macro. * arm-tdep.c (arm_breakpoint_from_pc): Remove. (arm_breakpoint_kind_from_pc): New function. (arm_sw_breakpoint_from_kind): New function. (arm_breakpoint_from_pc): Call arm_breakpoint_kind_from_pc and arm_sw_breakpoint_from_kind. Use GDBARCH_BREAKPOINT_FROM_PC. (arm_remote_breakpoint_from_pc): Call arm_breakpoint_kind_from_pc. (arm_gdbarch_init): Replace set_gdbarch_breakpoint_from_pc with SET_GDBARCH_BREAKPOINT_MANIPULATION. * arc-tdep.c: Likewise. * bfin-tdep.c: Likewise. * cris-tdep.c: Likewise. * iq2000-tdep.c: Likewise. * m32r-tdep.c: Likewise. * mips-tdep.c: Likewise. * mt-tdep.c: Likewise. * nios2-tdep.c: Likewise. * rs6000-tdep.c: Likewise. * score-tdep.c: Likewise. * sh-tdep.c: Likewise. * sh64-tdep.c: Likewise. * tic6x-tdep.c: Likewise. * v850-tdep.c: Likewise. * xtensa-tdep.c: Likewise. |
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Yao Qi
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598cc9dc84 |
GDBARCH_BREAKPOINT_MANIPULATION and SET_GDBARCH_BREAKPOINT_MANIPULATION
Many archs have only one kind of breakpoint, so their breakpoint_from_pc implementations are quite similar. This patch uses macro GDBARCH_BREAKPOINT_MANIPULATION and SET_GDBARCH_BREAKPOINT_MANIPULATION for breakpoint_from_pc, so that we can easily switch from breakpoint_from_pc to breakpoint_kind_from_pc and sw_breakpoint_from_kind later. gdb: 2016-11-03 Yao Qi <yao.qi@linaro.org> * arch-utils.h (GDBARCH_BREAKPOINT_MANIPULATION): New macro. (SET_GDBARCH_BREAKPOINT_MANIPULATION): New macro. aarch64-tdep.c (aarch64_breakpoint_from_pc): Remove. Use GDBARCH_BREAKPOINT_MANIPULATION. (aarch64_gdbarch_init): Replace set_gdbarch_breakpoint_from_pc with SET_GDBARCH_BREAKPOINT_MANIPULATION. * alpha-tdep.c: Likewise. * avr-tdep.c: Likewise. * frv-tdep.c: Likewise. * ft32-tdep.c: Likewise. * h8300-tdep.c: Likewise. * hppa-tdep.c: Likewise. * i386-tdep.c: Likewise. * lm32-tdep.c: Likewise. * m32c-tdep.c: Likewise. * m68hc11-tdep.c: Likewise. * m68k-tdep.c: Likewise. * m88k-tdep.c: Likewise. * mep-tdep.c: Likewise. * microblaze-tdep.c: Likewise. * mn10300-tdep.c: Likewise. * moxie-tdep.c: Likewise. * msp430-tdep.c: Likewise. * rl78-tdep.c: Likewise. * rx-tdep.c: Likewise. * s390-linux-tdep.c: Likewise. * sparc-tdep.c: Likewise. * spu-tdep.c: Likewise. * tilegx-tdep.c: Likewise. * vax-tdep.c: Likewise. * xstormy16-tdep.c: Likewise. |
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Ulrich Weigand
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9b790ce722 |
Add gdbarch callback to provide formats for debug info float types
At this point, all TYPE_CODE_FLT types carry their floating-point format, except for those creating from reading DWARF or stabs debug info. Those will be addressed by this commit. The main issue here is that we actually have to determine which floating- point format to use. Currently, we only have the type length as input to this decision. In the future, we may hopefully get --at least in DWARF-- additional information to help disambiguate multiple different formats of the same length. For now, we can still look at the type name as a hint. This decision logic is encapsulated in a gdbarch callback to allow platform-specific overrides. The default implementation use the same logic (compare type length against the various gdbarch_..._bit sizes) that is currently implemented in floatformat_from_length. With this commit, all platforms still use the default logic, so there should be no actual change in behavior. A follow-on commit will add support for __float128 on Intel and Power. Once dwarf2read.c and stabsread.c make use of the new callback to determine floating-point formats, we're now sure every TYPE_CODE_FLT type will always carry its format. The commit therefore adds asserts to verify_floatformat to ensure new code will continue to always provide formats, and removes the code in floatformat_from_type that used to handle types with a NULL TYPE_FLOATFORMAT. gdb/ChangeLog: * gdbarch.sh (floatformat_for_type): New gdbarch callback. * gdbarch.h, gdbarch.c: Re-generate. * arch-utils.h (default_floatformat_for_type): New prototype. * arch-utils.c (default_floatformat_for_type): New function. * doublest.c (floatformat_from_length): Remove. (floatformat_from_type): Assume TYPE_FLOATFORMAT is non-NULL. * gdbtypes.c (verify_floatformat): Require non-NULL format. * dwarf2read.c (dwarf2_init_float_type): New function. (read_base_type): Use it. * stabsread.c (dbx_init_float_type): New function. (read_sun_floating_type): Use it. (read_range_type): Likewise. Signed-off-by: Ulrich Weigand <ulrich.weigand@de.ibm.com> |
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Yao Qi
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7eb895307f |
Skip unwritable frames in command "finish"
Nowadays, GDB can't insert breakpoint on the return address of the exception handler on ARM M-profile, because the address is a magic one 0xfffffff9, (gdb) bt #0 CT32B1_IRQHandler () at ../src/timer.c:67 #1 <signal handler called> #2 main () at ../src/timer.c:127 (gdb) info frame Stack level 0, frame at 0x200ffa8: pc = 0x4ec in CT32B1_IRQHandler (../src/timer.c:67); saved pc = 0xfffffff9 called by frame at 0x200ffc8 source language c. Arglist at 0x200ffa0, args: Locals at 0x200ffa0, Previous frame's sp is 0x200ffa8 Saved registers: r7 at 0x200ffa0, lr at 0x200ffa4 (gdb) x/x 0xfffffff9 0xfffffff9: Cannot access memory at address 0xfffffff9 (gdb) finish Run till exit from #0 CT32B1_IRQHandler () at ../src/timer.c:67 Ed:15: Target error from Set break/watch: Et:96: Pseudo-address (0xFFFFFFxx) for EXC_RETURN is invalid (GDB error?) Warning: Cannot insert hardware breakpoint 0. Could not insert hardware breakpoints: You may have requested too many hardware breakpoints/watchpoints. Command aborted. even some debug probe can't set hardware breakpoint on the magic address too, (gdb) hbreak *0xfffffff9 Hardware assisted breakpoint 2 at 0xfffffff9 (gdb) c Continuing. Ed:15: Target error from Set break/watch: Et:96: Pseudo-address (0xFFFFFFxx) for EXC_RETURN is invalid (GDB error?) Warning: Cannot insert hardware breakpoint 2. Could not insert hardware breakpoints: You may have requested too many hardware breakpoints/watchpoints. Command aborted. The problem described above is quite similar to PR 8841, in which GDB can't set breakpoint on signal trampoline, which is mapped to a read-only page by kernel. The rationale of this patch is to skip "unwritable" frames when looking for caller frames in command "finish", and a new gdbarch method code_of_frame_writable is added. This patch fixes the problem on ARM cortex-m target, but it can be used to fix PR 8841 too. gdb: 2016-05-10 Yao Qi <yao.qi@arm.com> * arch-utils.c (default_code_of_frame_writable): New function. * arch-utils.h (default_code_of_frame_writable): Declare. * arm-tdep.c (arm_code_of_frame_writable): New function. (arm_gdbarch_init): Install gdbarch method code_of_frame_writable if the target is M-profile. * frame.c (skip_unwritable_frames): New function. * frame.h (skip_unwritable_frames): Declare. * gdbarch.sh (code_of_frame_writable): New. * gdbarch.c, gdbarch.h: Re-generated. * infcmd.c (finish_command): Call skip_unwritable_frames. |
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Marcin Kościelnicki
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5f034a78b9 |
gdb: Add guess_tracepoint_registers hook to gdbarch.
When we're looking at a tracefile trace frame where registers are not available, and the tracepoint has only one location, we supply the location's address as the PC register. However, this only works if PC is not a pseudo register, and individual architectures may want to guess more registers. Add a gdbarch hook that will handle that. gdb/ChangeLog: * arch-utils.c (default_guess_tracepoint_registers): New function. * arch-utils.h (default_guess_tracepoint_registers): New prototype. * gdbarch.c: Regenerate. * gdbarch.h: Regenerate. * gdbarch.sh: Add guess_tracepoint_registers hook. * tracefile.c (tracefile_fetch_registers): Use the new gdbarch hook. |
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Joel Brobecker
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618f726fcb |
GDB copyright headers update after running GDB's copyright.py script.
gdb/ChangeLog:
Update year range in copyright notice of all files.
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Pierre Langlois
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6b940e6a06 |
Remove isize output argument from fast_tracepoint_valid_at
This patch removes the isize output argument from the fast_tracepoint_valid_at gdbarch hook. It was used to return the size of the instruction that needs to be replaced when installing a fast tracepoint. Instead of getting this value from the fast_tracepoint_valid_at hook, we can call the gdb_insn_length function. If we do not do this, then architectures which do not have a restriction on where to install the fast tracepoint will send uninitialized memory off to GDBserver. See remote_download_tracepoint: ~~~ int isize; if (gdbarch_fast_tracepoint_valid_at (target_gdbarch (), tpaddr, &isize, NULL)) xsnprintf (buf + strlen (buf), BUF_SIZE - strlen (buf), ":F%x", isize); ~~~ The default implementation of fast_tracepoint_valid_at will not set isize resulting in uninitialized memory being sent. Later on, GDBserver could use this information to compute a jump offset. gdb/ChangeLog: * arch-utils.c (default_fast_tracepoint_valid_at): Remove unused isize argument. * arch-utils.h (default_fast_tracepoint_valid_at): Likewise. * breakpoint.c (check_fast_tracepoint_sals): Adjust call to gdbarch_fast_tracepoint_valid_at. * gdbarch.sh (fast_tracepoint_valid_at): Remove isize argument. * gdbarch.h: Regenerate. * gdbarch.c: Regenerate. * i386-tdep.c (i386_fast_tracepoint_valid_at): Remove isize argument. Do not set it. * remote.c (remote_download_tracepoint): Adjust call to gdbarch_fast_tracepoint_valid_at. Call gdb_insn_length to get the instruction length. |
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Simon Marchi
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3374165f51 |
gdbarch: add addressable_memory_unit_size method
Add a new gdbarch method to get the length of an addressable memory unit for a given architecture. The default implementation returns 1. gdb/ChangeLog: * arch-utils.h (default_addressable_memory_unit_size): New. * arch-utils.c (default_addressable_memory_unit_size): New. * gdbarch.sh (addressable_memory_unit_size): New. * gdbarch.h: Re-generate. * gdbarch.c: Re-generate. |
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Jan Kratochvil
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7f36105668 |
compile: Use also inferior munmap
Currently inferior memory is allocated by inferior mmap() but it is never deallocated; despite the injected objfile incl. its symbols is freed. This was intentional so that one can do for example: inferior: char *str = "foo"; GDB: (gdb) compile code str = "bar"; I believe later patches will be needed to introduce full control over keeping vs. discarding the injected module as being discussed in: compile: objfiles lifetime UI https://sourceware.org/ml/gdb/2015-04/msg00051.html Message-ID: <20150429135735.GA16974@host1.jankratochvil.net> https://sourceware.org/ml/gdb/2015-05/msg00007.html As decided by Phil it is better not to leak inferior pages as users can workaround the issue above for example by: (gdb) compile code str = strdup ("bar"); I have checked that in fact gdb/doc/ (written by Phil) already expects the injected code will be unmapped so that does not need to be changed: compile code int ff = 5; p = &ff; In this example, @code{p} would point to @code{ff} when the @code{compile} command is executing the source code provided to it. However, as variables in the (example) program persist with their assigned values, the variable @code{p} would point to an invalid location when the command exists. gdb/ChangeLog 2015-04-28 Jan Kratochvil <jan.kratochvil@redhat.com> * arch-utils.c (default_infcall_munmap): New. * arch-utils.h (default_infcall_munmap): New declaration. * compile/compile-object-load.c (struct munmap_list, munmap_list_add) (munmap_list_free, munmap_listp_free_cleanup): New. (struct setup_sections_data): Add field munmap_list_headp. (setup_sections): Call munmap_list_add. (compile_object_load): New variable munmap_list_head, initialize setup_sections_data.munmap_list_headp, return munmap_list_head. * compile/compile-object-load.h (struct munmap_list): New declaration. (struct compile_module): Add field munmap_list_head. (munmap_list_free): New declaration. * compile/compile-object-run.c (struct do_module_cleanup): Add field munmap_list_head. (do_module_cleanup): Call munmap_list_free. (compile_object_run): Pass munmap_list_head to do_module_cleanup. * gdbarch.c: Regenerate. * gdbarch.h: Regenerate. * gdbarch.sh (infcall_munmap): New. * linux-tdep.c (linux_infcall_munmap): New. (linux_init_abi): Install it. gdb/testsuite/ChangeLog 2015-04-28 Jan Kratochvil <jan.kratochvil@redhat.com> * gdb.compile/compile.exp (keep jit in memory): Rename to ... (do not keep jit in memory): ... this. (expect 5): Change it to ... (expect no 5): ... this. |
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Martin Galvan
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c9cf6e20c6 |
Rename in_function_epilogue_p to stack_frame_destroyed_p
We concluded that gdbarch_in_function_epilogue_p is misnamed, since it returns true if the given PC is one instruction after the one that destroyed the stack (which isn't necessarily inside an epilogue), therefore it should be renamed to stack_frame_destroyed_p. I also took the liberty of renaming the arch-specific implementations to *_stack_frame_destroyed_p as well for consistency. gdb: 2015-05-26 Martin Galvan <martin.galvan@tallertechnologies.com> * amd64-tdep.c: Replace in_function_epilogue_p with stack_frame_destroyed_p throughout. * arch-utils.c: Ditto. * arch-utils.h: Ditto. * arm-tdep.c: Ditto. * breakpoint.c: Ditto. * gdbarch.sh: Ditto. * hppa-tdep.c: Ditto. * i386-tdep.c: Ditto. * mips-tdep.c: Ditto. * nios2-tdep.c: Ditto. * rs6000-tdep.c: Ditto. * s390-linux-tdep.c: Ditto. * score-tdep.c: Ditto. * sh-tdep.c: Ditto. * sparc-tdep.c: Ditto. * sparc-tdep.h: Ditto. * sparc64-tdep.c: Ditto. * spu-tdep.c: Ditto. * tic6x-tdep.c: Ditto. * tilegx-tdep.c: Ditto. * xstormy16-tdep.c: Ditto. * gdbarch.c, gdbarch.h: Re-generated. |
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Joel Brobecker
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32d0add0a6 |
Update year range in copyright notice of all files owned by the GDB project.
gdb/ChangeLog:
Update year range in copyright notice of all files.
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Tom Tromey
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ac04f72bb4 |
add gnu_triplet_regexp gdbarch method
gdb has to inform libcc1.so of the target being used, so that the correct compiler can be invoked. The compiler is invoked using the GNU configury triplet prefix, e.g., "x86_64-unknown-linux-gnu-gcc". In order for this to work we need to map the gdbarch to the GNU configury triplet arch. In most cases these are identical; however, the x86 family poses some problems, as the BFD arch names are quite different from the GNU triplet names. So, we introduce a new gdbarch method for this. A regular expression is used because there are various valid values for the arch prefix in the triplet. This patch also updates the osabi code to associate a regular expression with the OS ABI. I have only added a concrete value for Linux. Note that the "-gnu" part is optional, at least on Fedora it is omitted from the installed GCC executable's name. gdb/ChangeLog 2014-12-12 Tom Tromey <tromey@redhat.com> Jan Kratochvil <jan.kratochvil@redhat.com> * osabi.h (osabi_triplet_regexp): Declare. * osabi.c (struct osabi_names): New. (gdb_osabi_names): Change type to struct osabi_names. Update values. (gdbarch_osabi_name): Update. (osabi_triplet_regexp): New function. (osabi_from_tdesc_string, _initialize_gdb_osabi): Update. * i386-tdep.c (i386_gnu_triplet_regexp): New method. (i386_elf_init_abi, i386_go32_init_abi, i386_gdbarch_init): Call set_gdbarch_gnu_triplet_regexp. * gdbarch.sh (gnu_triplet_regexp): New method. * gdbarch.c, gdbarch.h: Rebuild. * arch-utils.h (default_gnu_triplet_regexp): Declare. * arch-utils.c (default_gnu_triplet_regexp): New function. |
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Jan Kratochvil
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f208eee0f3 |
add infcall_mmap and gcc_target_options gdbarch methods
The compiler needed two new gdbarch methods. The infcall_mmap method allocates memory in the inferior. This is used when inserting the object code. The gcc_target_options method computes some arch-specific gcc options to pass to the compiler. This is used to ensure that gcc generates object code for the correct architecture. gdb/ChangeLog 2014-12-12 Jan Kratochvil <jan.kratochvil@redhat.com> * arch-utils.c (default_infcall_mmap) (default_gcc_target_options): New functions. * arch-utils.h (GDB_MMAP_PROT_READ, GDB_MMAP_PROT_WRITE) (GDB_MMAP_PROT_EXEC): Define. (default_infcall_mmap, default_gcc_target_options): Declare. * gdbarch.h: Rebuild. * gdbarch.c: Rebuild. * gdbarch.sh (infcall_mmap, gcc_target_options): New methods. |
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Maciej W. Rozycki
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3e29f34a4e |
MIPS: Keep the ISA bit in compressed code addresses
1. Background information The MIPS architecture, as originally designed and implemented in mid-1980s has a uniform instruction word size that is 4 bytes, naturally aligned. As such all MIPS instructions are located at addresses that have their bits #1 and #0 set to zeroes, and any attempt to execute an instruction from an address that has any of the two bits set to one causes an address error exception. This may for example happen when a jump-register instruction is executed whose register value used as the jump target has any of these bits set. Then in mid 1990s LSI sought a way to improve code density for their TinyRISC family of MIPS cores and invented an alternatively encoded instruction set in a joint effort with MIPS Technologies (then a subsidiary of SGI). The new instruction set has been named the MIPS16 ASE (Application-Specific Extension) and uses a variable instruction word size, which is 2 bytes (as the name of the ASE suggests) for most, but there are a couple of exceptions that take 4 bytes, and then most of the 2-byte instructions can be treated with a 2-byte extension prefix to expand the range of the immediate operands used. As a result instructions are no longer 4-byte aligned, instead they are aligned to a multiple of 2. That left the bit #0 still unused for code references, be it for the standard MIPS (i.e. as originally invented) or for the MIPS16 instruction set, and based on that observation a clever trick was invented that on one hand allowed the processor to be seamlessly switched between the two instruction sets at any time at the run time while on the other avoided the introduction of any special control register to do that. So it is the bit #0 of the instruction address that was chosen as the selector and named the ISA bit. Any instruction executed at an even address is interpreted as a standard MIPS instruction (the address still has to have its bit #1 clear), any instruction executed at an odd address is interpreted as a MIPS16 instruction. To switch between modes ordinary jump instructions are used, such as used for function calls and returns, specifically the bit #0 of the source register used in jump-register instructions selects the execution (ISA) mode for the following piece of code to be interpreted in. Additionally new jump-immediate instructions were added that flipped the ISA bit to select the opposite mode upon execution. They were considered necessary to avoid the need to make register jumps in all cases as the original jump-immediate instructions provided no way to change the bit #0 at all. This was all important for cases where standard MIPS and MIPS16 code had to be mixed, either for compatibility with the existing binary code base or to access resources not reachable from MIPS16 code (the MIPS16 instruction set only provides access to general-purpose registers, and not for example floating-point unit registers or privileged coprocessor 0 registers) -- pieces of code in the opposite mode can be executed as ordinary subroutine calls. A similar approach has been more recently adopted for the MIPS16 replacement instruction set defined as the so called microMIPS ASE. This is another instruction set encoding introduced to the MIPS architecture. Just like the MIPS16 ASE, the microMIPS instruction set uses a variable-length encoding, where each instruction takes a multiple of 2 bytes. The ISA bit has been reused and for microMIPS-capable processors selects between the standard MIPS and the microMIPS mode instead. 2. Statement of the problem To put it shortly, MIPS16 and microMIPS code pointers used by GDB are different to these observed at the run time. This results in the same expressions being evaluated producing different results in GDB and in the program being debugged. Obviously it's the results obtained at the run time that are correct (they define how the program behaves) and therefore by definition the results obtained in GDB are incorrect. A bit longer description will record that obviously at the run time the ISA bit has to be set correctly (refer to background information above if unsure why so) or the program will not run as expected. This is recorded in all the executable file structures used at the run time: the dynamic symbol table (but not always the static one!), the GOT, and obviously in all the addresses embedded in code or data of the program itself, calculated by applying the appropriate relocations at the static link time. While a program is being processed by GDB, the ISA bit is stripped off from any code addresses, presumably to make them the same as the respective raw memory byte address used by the processor to access the instruction in the instruction fetch access cycle. This stripping is actually performed outside GDB proper, in BFD, specifically _bfd_mips_elf_symbol_processing (elfxx-mips.c, see the piece of code at the very bottom of that function, starting with an: "If this is an odd-valued function symbol, assume it's a MIPS16 or microMIPS one." comment). This function is also responsible for symbol table dumps made by `objdump' too, so you'll never see the ISA bit reported there by that tool, you need to use `readelf'. This is however unlike what is ever done at the run time, the ISA bit once present is never stripped off, for example a cast like this: (short *) main will not strip the ISA bit off and if the resulting pointer is intended to be used to access instructions as data, for example for software instruction decoding (like for fault recovery or emulation in a signal handler) or for self-modifying code then the bit still has to be stripped off by an explicit AND operation. This is probably best illustrated with a simple real program example. Let's consider the following simple program: $ cat foobar.c int __attribute__ ((mips16)) foo (void) { return 1; } int __attribute__ ((mips16)) bar (void) { return 2; } int __attribute__ ((nomips16)) foo32 (void) { return 3; } int (*foo32p) (void) = foo32; int (*foop) (void) = foo; int fooi = (int) foo; int main (void) { return foop (); } $ This is plain C with no odd tricks, except from the instruction mode attributes. They are not necessary to trigger this problem, I just put them here so that the program can be contained in a single source file and to make it obvious which function is MIPS16 code and which is not. Let's try it with Linux, so that everyone can repeat this experiment: $ mips-linux-gnu-gcc -mips16 -g -O2 -o foobar foobar.c $ Let's have a look at some interesting symbols: $ mips-linux-gnu-readelf -s foobar | egrep 'table|foo|bar' Symbol table '.dynsym' contains 7 entries: Symbol table '.symtab' contains 95 entries: 55: 00000000 0 FILE LOCAL DEFAULT ABS foobar.c 66: 0040068c 4 FUNC GLOBAL DEFAULT [MIPS16] 12 bar 68: 00410848 4 OBJECT GLOBAL DEFAULT 21 foo32p 70: 00410844 4 OBJECT GLOBAL DEFAULT 21 foop 78: 00400684 8 FUNC GLOBAL DEFAULT 12 foo32 80: 00400680 4 FUNC GLOBAL DEFAULT [MIPS16] 12 foo 88: 00410840 4 OBJECT GLOBAL DEFAULT 21 fooi $ Hmm, no sight of the ISA bit, but notice how foo and bar (but not foo32!) have been marked as MIPS16 functions (ELF symbol structure's `st_other' field is used for that). So let's try to run and poke at this program with GDB. I'll be using a native system for simplicity (I'll be using ellipses here and there to remove unrelated clutter): $ ./foobar $ echo $? 1 $ So far, so good. $ gdb ./foobar [...] (gdb) break main Breakpoint 1 at 0x400490: file foobar.c, line 23. (gdb) run Starting program: .../foobar Breakpoint 1, main () at foobar.c:23 23 return foop (); (gdb) Yay, it worked! OK, so let's poke at it: (gdb) print main $1 = {int (void)} 0x400490 <main> (gdb) print foo32 $2 = {int (void)} 0x400684 <foo32> (gdb) print foo32p $3 = (int (*)(void)) 0x400684 <foo32> (gdb) print bar $4 = {int (void)} 0x40068c <bar> (gdb) print foo $5 = {int (void)} 0x400680 <foo> (gdb) print foop $6 = (int (*)(void)) 0x400681 <foo> (gdb) A-ha! Here's the difference and finally the ISA bit! (gdb) print /x fooi $7 = 0x400681 (gdb) p/x $pc p/x $pc $8 = 0x400491 (gdb) And here as well... (gdb) advance foo foo () at foobar.c:4 4 } (gdb) disassemble Dump of assembler code for function foo: 0x00400680 <+0>: jr ra 0x00400682 <+2>: li v0,1 End of assembler dump. (gdb) finish Run till exit from #0 foo () at foobar.c:4 main () at foobar.c:24 24 } Value returned is $9 = 1 (gdb) continue Continuing. [Inferior 1 (process 14103) exited with code 01] (gdb) So let's be a bit inquisitive... (gdb) run Starting program: .../foobar Breakpoint 1, main () at foobar.c:23 23 return foop (); (gdb) Actually we do not like to run foo here at all. Let's run bar instead! (gdb) set foop = bar (gdb) print foop $10 = (int (*)(void)) 0x40068c <bar> (gdb) Hmm, no ISA bit. Is it going to work? (gdb) advance bar bar () at foobar.c:9 9 } (gdb) p/x $pc $11 = 0x40068c (gdb) disassemble Dump of assembler code for function bar: => 0x0040068c <+0>: jr ra 0x0040068e <+2>: li v0,2 End of assembler dump. (gdb) finish Run till exit from #0 bar () at foobar.c:9 Program received signal SIGILL, Illegal instruction. bar () at foobar.c:9 9 } (gdb) Oops! (gdb) p/x $pc $12 = 0x40068c (gdb) We're still there! (gdb) continue Continuing. Program terminated with signal SIGILL, Illegal instruction. The program no longer exists. (gdb) So let's try something else: (gdb) run Starting program: .../foobar Breakpoint 1, main () at foobar.c:23 23 return foop (); (gdb) set foop = foo (gdb) advance foo foo () at foobar.c:4 4 } (gdb) disassemble Dump of assembler code for function foo: => 0x00400680 <+0>: jr ra 0x00400682 <+2>: li v0,1 End of assembler dump. (gdb) finish Run till exit from #0 foo () at foobar.c:4 Program received signal SIGILL, Illegal instruction. foo () at foobar.c:4 4 } (gdb) continue Continuing. Program terminated with signal SIGILL, Illegal instruction. The program no longer exists. (gdb) The same problem! (gdb) run Starting program: /net/build2-lucid-cs/scratch/macro/mips-linux-fsf-gcc/isa-bit/foobar Breakpoint 1, main () at foobar.c:23 23 return foop (); (gdb) set foop = foo32 (gdb) advance foo32 foo32 () at foobar.c:14 14 } (gdb) disassemble Dump of assembler code for function foo32: => 0x00400684 <+0>: jr ra 0x00400688 <+4>: li v0,3 End of assembler dump. (gdb) finish Run till exit from #0 foo32 () at foobar.c:14 main () at foobar.c:24 24 } Value returned is $14 = 3 (gdb) continue Continuing. [Inferior 1 (process 14113) exited with code 03] (gdb) That did work though, so it's the ISA bit only! (gdb) quit Enough! That's the tip of the iceberg only though. So let's rebuild the executable with some dynamic symbols: $ mips-linux-gnu-gcc -mips16 -Wl,--export-dynamic -g -O2 -o foobar-dyn foobar.c $ mips-linux-gnu-readelf -s foobar-dyn | egrep 'table|foo|bar' Symbol table '.dynsym' contains 32 entries: 6: 004009cd 4 FUNC GLOBAL DEFAULT 12 bar 8: 00410b88 4 OBJECT GLOBAL DEFAULT 21 foo32p 9: 00410b84 4 OBJECT GLOBAL DEFAULT 21 foop 15: 004009c4 8 FUNC GLOBAL DEFAULT 12 foo32 17: 004009c1 4 FUNC GLOBAL DEFAULT 12 foo 25: 00410b80 4 OBJECT GLOBAL DEFAULT 21 fooi Symbol table '.symtab' contains 95 entries: 55: 00000000 0 FILE LOCAL DEFAULT ABS foobar.c 69: 004009cd 4 FUNC GLOBAL DEFAULT 12 bar 71: 00410b88 4 OBJECT GLOBAL DEFAULT 21 foo32p 72: 00410b84 4 OBJECT GLOBAL DEFAULT 21 foop 79: 004009c4 8 FUNC GLOBAL DEFAULT 12 foo32 81: 004009c1 4 FUNC GLOBAL DEFAULT 12 foo 89: 00410b80 4 OBJECT GLOBAL DEFAULT 21 fooi $ OK, now the ISA bit is there for a change, but the MIPS16 `st_other' attribute gone, hmm... What does `objdump' do then: $ mips-linux-gnu-objdump -Tt foobar-dyn | egrep 'SYMBOL|foo|bar' foobar-dyn: file format elf32-tradbigmips SYMBOL TABLE: 00000000 l df *ABS* 00000000 foobar.c 004009cc g F .text 00000004 0xf0 bar 00410b88 g O .data 00000004 foo32p 00410b84 g O .data 00000004 foop 004009c4 g F .text 00000008 foo32 004009c0 g F .text 00000004 0xf0 foo 00410b80 g O .data 00000004 fooi DYNAMIC SYMBOL TABLE: 004009cc g DF .text 00000004 Base 0xf0 bar 00410b88 g DO .data 00000004 Base foo32p 00410b84 g DO .data 00000004 Base foop 004009c4 g DF .text 00000008 Base foo32 004009c0 g DF .text 00000004 Base 0xf0 foo 00410b80 g DO .data 00000004 Base fooi $ Hmm, the attribute (0xf0, printed raw) is back, and the ISA bit gone again. Let's have a look at some DWARF-2 records GDB uses (I'll be stripping off a lot here for brevity) -- debug info: $ mips-linux-gnu-readelf -wi foobar Contents of the .debug_info section: [...] Compilation Unit @ offset 0x88: Length: 0xbb (32-bit) Version: 4 Abbrev Offset: 62 Pointer Size: 4 <0><93>: Abbrev Number: 1 (DW_TAG_compile_unit) <94> DW_AT_producer : (indirect string, offset: 0x19e): GNU C 4.8.0 20120513 (experimental) -meb -mips16 -march=mips32r2 -mhard-float -mllsc -mplt -mno-synci -mno-shared -mabi=32 -g -O2 <98> DW_AT_language : 1 (ANSI C) <99> DW_AT_name : (indirect string, offset: 0x190): foobar.c <9d> DW_AT_comp_dir : (indirect string, offset: 0x225): [...] <a1> DW_AT_ranges : 0x0 <a5> DW_AT_low_pc : 0x0 <a9> DW_AT_stmt_list : 0x27 <1><ad>: Abbrev Number: 2 (DW_TAG_subprogram) <ae> DW_AT_external : 1 <ae> DW_AT_name : foo <b2> DW_AT_decl_file : 1 <b3> DW_AT_decl_line : 1 <b4> DW_AT_prototyped : 1 <b4> DW_AT_type : <0xc2> <b8> DW_AT_low_pc : 0x400680 <bc> DW_AT_high_pc : 0x400684 <c0> DW_AT_frame_base : 1 byte block: 9c (DW_OP_call_frame_cfa) <c2> DW_AT_GNU_all_call_sites: 1 <1><c2>: Abbrev Number: 3 (DW_TAG_base_type) <c3> DW_AT_byte_size : 4 <c4> DW_AT_encoding : 5 (signed) <c5> DW_AT_name : int <1><c9>: Abbrev Number: 4 (DW_TAG_subprogram) <ca> DW_AT_external : 1 <ca> DW_AT_name : (indirect string, offset: 0x18a): foo32 <ce> DW_AT_decl_file : 1 <cf> DW_AT_decl_line : 11 <d0> DW_AT_prototyped : 1 <d0> DW_AT_type : <0xc2> <d4> DW_AT_low_pc : 0x400684 <d8> DW_AT_high_pc : 0x40068c <dc> DW_AT_frame_base : 1 byte block: 9c (DW_OP_call_frame_cfa) <de> DW_AT_GNU_all_call_sites: 1 <1><de>: Abbrev Number: 2 (DW_TAG_subprogram) <df> DW_AT_external : 1 <df> DW_AT_name : bar <e3> DW_AT_decl_file : 1 <e4> DW_AT_decl_line : 6 <e5> DW_AT_prototyped : 1 <e5> DW_AT_type : <0xc2> <e9> DW_AT_low_pc : 0x40068c <ed> DW_AT_high_pc : 0x400690 <f1> DW_AT_frame_base : 1 byte block: 9c (DW_OP_call_frame_cfa) <f3> DW_AT_GNU_all_call_sites: 1 <1><f3>: Abbrev Number: 5 (DW_TAG_subprogram) <f4> DW_AT_external : 1 <f4> DW_AT_name : (indirect string, offset: 0x199): main <f8> DW_AT_decl_file : 1 <f9> DW_AT_decl_line : 21 <fa> DW_AT_prototyped : 1 <fa> DW_AT_type : <0xc2> <fe> DW_AT_low_pc : 0x400490 <102> DW_AT_high_pc : 0x4004a4 <106> DW_AT_frame_base : 1 byte block: 9c (DW_OP_call_frame_cfa) <108> DW_AT_GNU_all_tail_call_sites: 1 [...] $ -- no sign of the ISA bit anywhere -- frame info: $ mips-linux-gnu-readelf -wf foobar [...] Contents of the .debug_frame section: 00000000 0000000c ffffffff CIE Version: 1 Augmentation: "" Code alignment factor: 1 Data alignment factor: -4 Return address column: 31 DW_CFA_def_cfa_register: r29 DW_CFA_nop 00000010 0000000c 00000000 FDE cie=00000000 pc=00400680..00400684 00000020 0000000c 00000000 FDE cie=00000000 pc=00400684..0040068c 00000030 0000000c 00000000 FDE cie=00000000 pc=0040068c..00400690 00000040 00000018 00000000 FDE cie=00000000 pc=00400490..004004a4 DW_CFA_advance_loc: 6 to 00400496 DW_CFA_def_cfa_offset: 32 DW_CFA_offset: r31 at cfa-4 DW_CFA_advance_loc: 6 to 0040049c DW_CFA_restore: r31 DW_CFA_def_cfa_offset: 0 DW_CFA_nop DW_CFA_nop DW_CFA_nop [...] $ -- no sign of the ISA bit anywhere -- range info (GDB doesn't use arange): $ mips-linux-gnu-readelf -wR foobar Contents of the .debug_ranges section: Offset Begin End 00000000 00400680 00400690 00000000 00400490 004004a4 00000000 <End of list> $ -- no sign of the ISA bit anywhere -- line info: $ mips-linux-gnu-readelf -wl foobar Raw dump of debug contents of section .debug_line: [...] Offset: 0x27 Length: 78 DWARF Version: 2 Prologue Length: 31 Minimum Instruction Length: 1 Initial value of 'is_stmt': 1 Line Base: -5 Line Range: 14 Opcode Base: 13 Opcodes: Opcode 1 has 0 args Opcode 2 has 1 args Opcode 3 has 1 args Opcode 4 has 1 args Opcode 5 has 1 args Opcode 6 has 0 args Opcode 7 has 0 args Opcode 8 has 0 args Opcode 9 has 1 args Opcode 10 has 0 args Opcode 11 has 0 args Opcode 12 has 1 args The Directory Table is empty. The File Name Table: Entry Dir Time Size Name 1 0 0 0 foobar.c Line Number Statements: Extended opcode 2: set Address to 0x400681 Special opcode 6: advance Address by 0 to 0x400681 and Line by 1 to 2 Special opcode 7: advance Address by 0 to 0x400681 and Line by 2 to 4 Special opcode 55: advance Address by 3 to 0x400684 and Line by 8 to 12 Special opcode 7: advance Address by 0 to 0x400684 and Line by 2 to 14 Advance Line by -7 to 7 Special opcode 131: advance Address by 9 to 0x40068d and Line by 0 to 7 Special opcode 7: advance Address by 0 to 0x40068d and Line by 2 to 9 Advance PC by 3 to 0x400690 Extended opcode 1: End of Sequence Extended opcode 2: set Address to 0x400491 Advance Line by 21 to 22 Copy Special opcode 6: advance Address by 0 to 0x400491 and Line by 1 to 23 Special opcode 60: advance Address by 4 to 0x400495 and Line by -1 to 22 Special opcode 34: advance Address by 2 to 0x400497 and Line by 1 to 23 Special opcode 62: advance Address by 4 to 0x40049b and Line by 1 to 24 Special opcode 32: advance Address by 2 to 0x40049d and Line by -1 to 23 Special opcode 6: advance Address by 0 to 0x40049d and Line by 1 to 24 Advance PC by 7 to 0x4004a4 Extended opcode 1: End of Sequence [...] -- a-ha, the ISA bit is there! However it's not always right for some reason, I don't have a small test case to show it, but here's an excerpt from MIPS16 libc, a prologue of a function: 00019630 <__libc_init_first>: 19630: e8a0 jrc ra 19632: 6500 nop 00019634 <_init>: 19634: f000 6a11 li v0,17 19638: f7d8 0b08 la v1,15e00 <_DYNAMIC+0x15c54> 1963c: f400 3240 sll v0,16 19640: e269 addu v0,v1 19642: 659a move gp,v0 19644: 64f6 save 48,ra,s0-s1 19646: 671c move s0,gp 19648: d204 sw v0,16(sp) 1964a: f352 984c lw v0,-27828(s0) 1964e: 6724 move s1,a0 and the corresponding DWARF-2 line info: Line Number Statements: Extended opcode 2: set Address to 0x19631 Advance Line by 44 to 45 Copy Special opcode 8: advance Address by 0 to 0x19631 and Line by 3 to 48 Special opcode 66: advance Address by 4 to 0x19635 and Line by 5 to 53 Advance PC by constant 17 to 0x19646 Special opcode 25: advance Address by 1 to 0x19647 and Line by 6 to 59 Advance Line by -6 to 53 Special opcode 33: advance Address by 2 to 0x19649 and Line by 0 to 53 Special opcode 39: advance Address by 2 to 0x1964b and Line by 6 to 59 Advance Line by -6 to 53 Special opcode 61: advance Address by 4 to 0x1964f and Line by 0 to 53 -- see that "Advance PC by constant 17" there? It clears the ISA bit, however code at 0x19646 is not standard MIPS code at all. For some reason the constant is always 17, I've never seen DW_LNS_const_add_pc used with any other value -- is that a binutils bug or what? 3. Solution: I think we should retain the value of the ISA bit in code references, that is effectively treat them as cookies as they indeed are (although trivially calculated) rather than raw memory byte addresses. In a perfect world both the static symbol table and the respective DWARF-2 records should be fixed to include the ISA bit in all the cases. I think however that this is infeasible. All the uses of `_bfd_mips_elf_symbol_processing' can not necessarily be tracked down. This function is used by `elf_slurp_symbol_table' that in turn is used by `bfd_canonicalize_symtab' and `bfd_canonicalize_dynamic_symtab', which are public interfaces. Similarly DWARF-2 records are used outside GDB, one notable if a bit questionable is the exception unwinder (libgcc/unwind-dw2.c) -- I have identified at least bits in `execute_cfa_program' and `uw_frame_state_for', both around the calls to `_Unwind_IsSignalFrame', that would need an update as they effectively flip the ISA bit freely; see also the comment about MASK_RETURN_ADDR in gcc/config/mips/mips.h. But there may be more places. Any change in how DWARF-2 records are produced would require an update there and would cause compatibility problems with libgcc.a binaries already distributed; given that this is a static library a complex change involving function renames would likely be required. I propose therefore to accept the existing inconsistencies and deal with them entirely within GDB. I have figured out that the ISA bit lost in various places can still be recovered as long as we have symbol information -- that'll have the `st_other' attribute correctly set to one of standard MIPS/MIPS16/microMIPS encoding. Here's the resulting change. It adds a couple of new `gdbarch' hooks, one to update symbol information with the ISA bit lost in `_bfd_mips_elf_symbol_processing', and two other ones to adjust DWARF-2 records as they're processed. The ISA bit is set in each address handled according to information retrieved from the symbol table for the symbol spanning the address if any; limits are adjusted based on the address they point to related to the respective base address. Additionally minimal symbol information has to be adjusted accordingly in its gdbarch hook. With these changes in place some complications with ISA bit juggling in the PC that never fully worked can be removed from the MIPS backend. Conversely, the generic dynamic linker event special breakpoint symbol handler has to be updated to call the minimal symbol gdbarch hook to record that the symbol is a MIPS16 or microMIPS address if applicable or the breakpoint will be set at the wrong address and either fail to work or cause SIGTRAPs (this is because the symbol is handled early on and bypasses regular symbol processing). 4. Results obtained The change fixes the example above -- to repeat only the crucial steps: (gdb) break main Breakpoint 1 at 0x400491: file foobar.c, line 23. (gdb) run Starting program: .../foobar Breakpoint 1, main () at foobar.c:23 23 return foop (); (gdb) print foo $1 = {int (void)} 0x400681 <foo> (gdb) set foop = bar (gdb) advance bar bar () at foobar.c:9 9 } (gdb) disassemble Dump of assembler code for function bar: => 0x0040068d <+0>: jr ra 0x0040068f <+2>: li v0,2 End of assembler dump. (gdb) finish Run till exit from #0 bar () at foobar.c:9 main () at foobar.c:24 24 } Value returned is $2 = 2 (gdb) continue Continuing. [Inferior 1 (process 14128) exited with code 02] (gdb) -- excellent! The change removes about 90 failures per MIPS16 multilib in mips-sde-elf testing too, results for MIPS16 are now similar to that for standard MIPS; microMIPS results are a bit worse because of host-I/O problems in QEMU used instead of MIPSsim for microMIPS testing only: === gdb Summary === # of expected passes 14299 # of unexpected failures 187 # of expected failures 56 # of known failures 58 # of unresolved testcases 11 # of untested testcases 52 # of unsupported tests 174 MIPS16: === gdb Summary === # of expected passes 14298 # of unexpected failures 187 # of unexpected successes 2 # of expected failures 54 # of known failures 58 # of unresolved testcases 12 # of untested testcases 52 # of unsupported tests 174 microMIPS: === gdb Summary === # of expected passes 14149 # of unexpected failures 201 # of unexpected successes 2 # of expected failures 54 # of known failures 58 # of unresolved testcases 7 # of untested testcases 53 # of unsupported tests 175 2014-12-12 Maciej W. Rozycki <macro@codesourcery.com> Maciej W. Rozycki <macro@mips.com> Pedro Alves <pedro@codesourcery.com> gdb/ * gdbarch.sh (elf_make_msymbol_special): Change type to `F', remove `predefault' and `invalid_p' initializers. (make_symbol_special): New architecture method. (adjust_dwarf2_addr, adjust_dwarf2_line): Likewise. (objfile, symbol): New declarations. * arch-utils.h (default_elf_make_msymbol_special): Remove prototype. (default_make_symbol_special): New prototype. (default_adjust_dwarf2_addr): Likewise. (default_adjust_dwarf2_line): Likewise. * mips-tdep.h (mips_unmake_compact_addr): New prototype. * arch-utils.c (default_elf_make_msymbol_special): Remove function. (default_make_symbol_special): New function. (default_adjust_dwarf2_addr): Likewise. (default_adjust_dwarf2_line): Likewise. * dwarf2-frame.c (decode_frame_entry_1): Call `gdbarch_adjust_dwarf2_addr'. * dwarf2loc.c (dwarf2_find_location_expression): Likewise. * dwarf2read.c (create_addrmap_from_index): Likewise. (process_psymtab_comp_unit_reader): Likewise. (add_partial_symbol): Likewise. (add_partial_subprogram): Likewise. (process_full_comp_unit): Likewise. (read_file_scope): Likewise. (read_func_scope): Likewise. Call `gdbarch_make_symbol_special'. (read_lexical_block_scope): Call `gdbarch_adjust_dwarf2_addr'. (read_call_site_scope): Likewise. (dwarf2_ranges_read): Likewise. (dwarf2_record_block_ranges): Likewise. (read_attribute_value): Likewise. (dwarf_decode_lines_1): Call `gdbarch_adjust_dwarf2_line'. (new_symbol_full): Call `gdbarch_adjust_dwarf2_addr'. * elfread.c (elf_symtab_read): Don't call `gdbarch_elf_make_msymbol_special' if unset. * mips-linux-tdep.c (micromips_linux_sigframe_validate): Strip the ISA bit from the PC. * mips-tdep.c (mips_unmake_compact_addr): New function. (mips_elf_make_msymbol_special): Set the ISA bit in the symbol's address appropriately. (mips_make_symbol_special): New function. (mips_pc_is_mips): Set the ISA bit before symbol lookup. (mips_pc_is_mips16): Likewise. (mips_pc_is_micromips): Likewise. (mips_pc_isa): Likewise. (mips_adjust_dwarf2_addr): New function. (mips_adjust_dwarf2_line): Likewise. (mips_read_pc, mips_unwind_pc): Keep the ISA bit. (mips_addr_bits_remove): Likewise. (mips_skip_trampoline_code): Likewise. (mips_write_pc): Don't set the ISA bit. (mips_eabi_push_dummy_call): Likewise. (mips_o64_push_dummy_call): Likewise. (mips_gdbarch_init): Install `mips_make_symbol_special', `mips_adjust_dwarf2_addr' and `mips_adjust_dwarf2_line' gdbarch handlers. * solib.c (gdb_bfd_lookup_symbol_from_symtab): Get target-specific symbol address adjustments. * gdbarch.h: Regenerate. * gdbarch.c: Regenerate. 2014-12-12 Maciej W. Rozycki <macro@codesourcery.com> gdb/testsuite/ * gdb.base/func-ptrs.c: New file. * gdb.base/func-ptrs.exp: New file. |
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Pedro Alves
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ae9bb220ca |
add a default method for gdbarch_skip_permanent_breakpoint
breakpoint.c uses gdbarch_breakpoint_from_pc to determine whether a
breakpoint location points at a permanent breakpoint:
static int
bp_loc_is_permanent (struct bp_location *loc)
{
...
addr = loc->address;
bpoint = gdbarch_breakpoint_from_pc (loc->gdbarch, &addr, &len);
...
if (target_read_memory (loc->address, target_mem, len) == 0
&& memcmp (target_mem, bpoint, len) == 0)
retval = 1;
...
So I think we should default the gdbarch_skip_permanent_breakpoint
hook to advancing the PC by the length of the breakpoint instruction,
as determined by gdbarch_breakpoint_from_pc. I believe that simple
implementation does the right thing for most architectures. If
there's an oddball architecture where that doesn't work, then it
should override the hook, just like it should be overriding the hook
if there was no default anyway.
The only two implementation of skip_permanent_breakpoint are
i386_skip_permanent_breakpoint, for x86, and
hppa_skip_permanent_breakpoint, for PA-RISC/HP-UX
The x86 implementation is trivial, and can clearly be replaced by the
new default.
I don't know about the HP-UX one though, I know almost nothing about
PA. It may well be advancing the PC ends up being equivalent.
Otherwise, it must be that "jump $pc_after_bp" doesn't work either...
Tested on x86_64 Fedora 20 native and gdbserver.
gdb/
2014-11-12 Pedro Alves <palves@redhat.com>
* arch-utils.c (default_skip_permanent_breakpoint): New function.
* arch-utils.h (default_skip_permanent_breakpoint): New
declaration.
* gdbarch.sh (skip_permanent_breakpoint): Now an 'f' function.
Install default_skip_permanent_breakpoint as default method.
* i386-tdep.c (i386_skip_permanent_breakpoint): Delete function.
(i386_gdbarch_init): Don't install it.
* infrun.c (resume): Assume there's always a
gdbarch_skip_permanent_breakpoint implementation.
* gdbarch.h, gdbarch.c: Regenerate.
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Pedro Alves
|
3437254d7b |
Split vDSO range lookup to a gdbarch hook
We have a case in solib-svr4.c where we could reuse symfile-mem.c's vDSO range lookup. Since symfile-mem.c is not present in all configurations solib-svr4.c is, move that lookup to a gdbarch hook. This has the minor (good) side effect that we stop even trying the target_auxv_search lookup against targets that don't have a concept of a vDSO, in case symfile-mem.c happens to be linked in the build (--enable-targets=all). Tested on x86_64 Fedora 20. gdb/ 2014-10-10 Pedro Alves <palves@redhat.com> * arch-utils.c (default_vsyscall_range): New function. * arch-utils.h (default_vsyscall_range): New declaration. * gdbarch.sh (vsyscall_range): New hook. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c (linux_vsyscall_range): New function. (linux_init_abi): Install linux_vsyscall_range as vsyscall_range gdbarch hook. * memrange.c (address_in_mem_range): New function. * memrange.h (address_in_mem_range): New declaration. * symfile-mem.c (find_vdso_size): Delete function. (add_vsyscall_page): Use gdbarch_vsyscall_range. |
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Markus Metzger
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c2170eeffa |
gdbarch: add instruction predicate methods
Add new methods to gdbarch for analyzing the instruction at a given address. Implement those methods for i386 and amd64 architectures. This is needed by "record btrace" to detect function calls in the execution trace. 2014-01-16 Markus Metzger <markus.t.metzger@intel.com> * amd64-tdep.c (amd64_classify_insn_at, amd64_insn_is_call) (amd64_insn_is_ret, amd64_insn_is_jump, amd64_jmp_p): New. (amd64_init_abi): Add insn_is_call, insn_is_ret, and insn_is_jump to gdbarch. * i386-tdep.c (i386_insn_is_call, i386_insn_is_ret) (i386_insn_is_jump, i386_jmp_p): New. (i386_gdbarch_init): Add insn_is_call, insn_is_ret, and insn_is_jump to gdbarch. * gdbarch.sh (insn_is_call, insn_is_ret, insn_is_jump): New. * gdbarch.h: Regenerated. * gdbarch.c: Regenerated. * arch-utils.h (default_insn_is_call, default_insn_is_ret) (default_insn_is_jump): New. * arch-utils.c (default_insn_is_call, default_insn_is_ret) (default_insn_is_jump): New. |
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Joel Brobecker
|
ecd75fc8ee | Update Copyright year range in all files maintained by GDB. | |
Joel Brobecker
|
28e7fd6234 |
Update years in copyright notice for the GDB files.
Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
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Yao Qi
|
ccce17b060 |
gdb/
* dwarf2loc.c (entry_values_debug): Add 'unsigned'. (_initialize_dwarf2loc): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * dwarf2loc.h: Update the declaration of 'entry_values_debug'. * dwarf2read.c (dwarf2_die_debug): Add 'unsigned'. (_initialize_dwarf2_read): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * darwin-nat.c (dwarwin_debug_flag): Add 'unsigned'. (_initialize_darwin_inferior): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * frame.c (frame_debug): Add 'unsigned'. (_intialize_frame): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * frame.h: Update the declaration of 'frame_debug'. * gdbtypes.c (overload_debug): Add 'unsigned'. (_initialize_gdbtypes): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * inferior.h: Update declaration of 'debug_infrun'. * infrun.c (debug_infrun): Add 'unsigned'. (_initialize_infrun): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * jit.c (jit_debug): Add 'unsigned'. (_initialize_jit): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * linux-nat.c (debug_linux_nat): Add 'unsigned'. (_initialize_linux_nat): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * linux-thread-db.c (libthread_db_debug): Add 'unsigned'. (_initialize_thread_db): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * machoread.c (mach_o_debug_level): Add 'unsigned'. (_initialize_machoread): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * mi/mi-cmd-var.c: Update the declaration of 'varobjdebug'. * microblaze-tdep.c (microblaze_debug_flag): Add 'unsigned'. (_initialize_microblaze_tdep): Call add_setshow_zuinteger_cmd intead of add_setshow_zinteger_cmd. * mips-tdep.c (mips_debug): Add 'unsigned'. (_initialize_mips_tdep): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * monitor.c (monitor_debug): Add 'unsigned'. (_initialize_remote_monitors): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * observer.c (observer_debug): Add 'unsigned'. (_initialize_observer): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * parse.c (expressiondebug): Add 'unsigned'. (_initialize_parse): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * record.c (record_debug): Add 'unsigned'. (_initialize_record): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * record.h: Update the declaration of 'record_debug'. * stap-probe.c (stap_expression_debug): Add 'unsigned'. (_initialize_stap_probe): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * serial.c (global_serial_debug_p): Add 'unsigned'. (_initialize_serial): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * solib-dsbt.c (solib_dsbt_debug): Add 'unsigned'. (_initialize_dsbt_solib): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * solib-frv.c (solib_frv_debug): Add 'unsigned'. (_initialize_frv_solib): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * target.c (targetdebug): Add 'unsigned'. (initialize_targets): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * valops.c (overload_debug): Add 'unsigned'. * varobj.c (varobjdebug): Add 'unsigned'. (_initialize_varobj): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * xtensa-tdep.c (xtensa_debug_level): Add 'unsigned'. (_initialize_xtensa_tdep): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * arch-utils.h: Remove the declaration of 'gdbarch_debug'. * gdbarch.sh (gdbarch_debug): Add 'unsigned'. (extern void _initialize_gdbarch): Call add_setshow_zuinteger_cmd instead of add_setshow_zinteger_cmd. * gdbarch.c, gdbarch.h: Re-generated. |
|
|
Yao Qi
|
18648a3749 |
gdb/
* arch-utils.c (default_return_in_first_hidden_param_p): New. * arch-utils.h: Declare. * gdbarch.sh: Add return_in_first_hidden_param_p. * gdbarch.c, gdbarch.h: Regenerated. * infcall.c (call_function_by_hand): Call gdbarch_return_in_first_hidden_param_p instead of language_pass_by_reference. * m68k-tdep.c (m68k_return_in_first_hidden_param_p): New. (m68k_gdbarch_init): Install m68k_return_in_first_hidden_param_p. * sh-tdep.c (sh_return_in_first_hidden_param_p): New. (sh_gdbarch_init): Install sh_return_in_first_hidden_param_p. * tic6x-tdep.c (tic6x_push_dummy_call): Remove local variable `cplus_return_struct_by_reference'. (tic6x_return_value): Handle language cplusplus. (tic6x_return_in_first_hidden_param_p): New. (tic6x_gdbarch_init): Install tic6x_return_in_first_hidden_param_p. |
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Pedro Alves
|
1f8cf22072 |
2012-06-04 Pedro Alves <palves@redhat.com>
* arch-utils.c (default_gdb_signal_from_target): Delete. * arch-utils.h (default_gdb_signal_from_target): Delete. * corelow.c (core_open) <signal mapping>: Extended comment. Check gdbarch_gdb_signal_from_target_p. * gdbarch.sh (gdb_signal_from_target): Make it an M method (with predicate). * gdbarch.h: Regenerate. * gdbarch.c: Regenerate. |
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Pedro Alves
|
22203bbfb7 |
2012-05-24 Pedro Alves <palves@redhat.com>
PR gdb/7205 * arch-utils.c (default_gdb_signal_to_host): Rename to ... (default_gdb_signal_to_target): ... this. Add comment. (default_gdb_signal_from_host): Rename to ... (default_gdb_signal_from_target): ... this. Add comment. * arch-utils.h (default_gdb_signal_to_host): Rename to ... (default_gdb_signal_to_target): ... this. (default_gdb_signal_from_host): Rename to ... (default_gdb_signal_from_target): ... this. * corelow.c (core_open): Adjust to naming change. Replace comment. * gdbarch.sh (gdb_signal_from_host): Rename to ... (gdb_signal_from_target): ... this. Adjust to default_gdb_signal_from_host naming change. Extend comment. (gdb_signal_to_host): Rename to ... (gdb_signal_to_target): ... this. Adjust to default_gdb_signal_to_host naming change. * gdbarch.h, gdbarch.c: Renegerate. |
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Pedro Alves
|
2ea286498f |
gdb/
2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. gdb/gdbserver/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. include/gdb/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. sim/common/ 2012-05-24 Pedro Alves <palves@redhat.com> PR gdb/7205 Replace target_signal with gdb_signal throughout. |
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Pedro Alves
|
a79378d451 |
2012-05-23 Pedro Alves <palves@redhat.com>
* arch-utils.h (default_target_signal_to_host): Delete. * arch-utils.c (default_target_signal_to_host): Delete. * gdbarch.sh (target_signal_to_host): Remove. * gdbarch.h, gdbarch.c: Regenerate. |
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Pedro Alves
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ed01b82c02 |
2012-03-01 Pedro Alves <palves@redhat.com>
* common/signals.c (default_target_signal_to_host) (default_target_signal_from_host): Move ... * arch-utils.c: ... here. * arch-utils.h (default_target_signal_to_host) (default_target_signal_from_host): Declare. * common/signals.c (target_signal_from_command): Move ... * infrun.c: ... here. * inferior.h (target_signal_from_command): Declare. * target.h (target_signal_from_command) (default_target_signal_from_host, default_target_signal_to_host): Delete declarations. * common/signals.c (_initialize_signals): Delete. |
|
Doug Evans
|
2c02bd7290 |
* blockframe.c (find_pc_partial_function_gnu_ifunc): Change type of
"name" parameter to const char ** from char **. All callers updated. (find_pc_partial_function): Ditto. (cache_pc_function_name): Change type to const char * from char *. * symtab.h ((find_pc_partial_function_gnu_ifunc): Update. (find_pc_partial_function): Update. * alpha-tdep.h (struct gdbarch_tdep, member pc_in_sigtramp): Change type of "name" parameter to const char * from char *. All uses updated. * arch-utils.c (generic_in_solib_return_trampoline): Change type of "name" parameter to const char * from char *. * arch-utils.h (generic_in_solib_return_trampoline): Update. * frv-linux-tdep.c (frv_linux_pc_in_sigtramp): Change type of "name" parameter to const char * from char *. * gdbarch.sh (in_solib_return_trampoline): Ditto. * gdbarch.c: Regenerate. * gdbarch.h: Regenerate. * hppa-hpux-tdep.c (hppa_hpux_in_solib_return_trampoline): Update. * rs6000-tdep.c (rs6000_in_solib_return_trampoline): Update. * m32r-linux-tdep.c (m32r_linux_pc_in_sigtramp): Change type of "name" parameter to const char * from char *. * skip.c (skip_function_pc): Ditto. * sparc-sol2-tdep.c (sparc_sol2_pc_in_sigtramp): Ditto. * sparc-tdep.h (sparc_sol2_pc_in_sigtramp): Update. * sparc64fbsd-tdep.c (sparc64fbsd_pc_in_sigtramp): Ditto. * sparc64nbsd-tdep.c (sparc64nbsd_pc_in_sigtramp): Ditto. * sparc64obsd-tdep.c (sparc64obsd_pc_in_sigtramp): Ditto. * sparcnbsd-tdep.c (sparc32nbsd_pc_in_sigtramp): Ditto. * sparcobsd-tdep.c (sparc32obsd_pc_in_sigtramp): Ditto. * nbsd-tdep.c (nbsd_pc_in_sigtramp): Similary for "func_name". * nbsd-tdep.h (nbsd_pc_in_sigtramp): Update. |
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Joel Brobecker
|
0b30217134 |
Copyright year update in most files of the GDB Project.
gdb/ChangeLog:
Copyright year update in most files of the GDB Project.
|
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Stan Shebs
|
6710bf39b7 |
Add return address collection for tracepoints.
* tracepoint.c (encode_actions_1): Add case for $_ret. (validate_actionline): Check for $_ret. (trace_dump_actions): Ditto. * ax-gdb.h (gen_trace_for_return_address): Declare. * ax-gdb.c: Include arch-utils.h. (gen_trace_for_return_address): New function. (agent_command): Add return address special case. * amd64-tdep.c: Include ax.h and ax-gdb.h. (amd64_gen_return_address): New function. (amd64_init_abi): Call it. * i386-tdep.c: Include ax.h and ax-gdb.h. (i386_gen_return_address): New function. (i386_init_abi): Call it. * arch-utils.h (default_gen_return_address): Declare. * arch-utils.c (default_gen_return_address): New function. * gdbarch.sh (gen_return_address): New method. * gdbarch.h, gdbarch.c: Regenerate. * gdb.texinfo (Tracepoint Action Lists): Document $_ret. * gdb.trace/collection.exp: Test collection of $_ret. |
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Michael Snyder
|
3e43a32aaa |
2011-01-05 Michael Snyder <msnyder@vmware.com>
* addrmap.c: Shorten lines of >= 80 columns. * arch-utils.c: Ditto. * arch-utils.h: Ditto. * ax-gdb.c: Ditto. * ax-general.c: Ditto. * bcache.c: Ditto. * blockframe.c: Ditto. * breakpoint.c: Ditto. * buildsym.c: Ditto. * c-lang.c: Ditto. * c-typeprint.c: Ditto. * charset.c: Ditto. * coffread.c: Ditto. * command.h: Ditto. * corelow.c: Ditto. * cp-abi.c: Ditto. * cp-namespace.c: Ditto. * cp-support.c: Ditto. * dbug-rom.c: Ditto. * dbxread.c: Ditto. * defs.h: Ditto. * dfp.c: Ditto. * dfp.h: Ditto. * dictionary.c: Ditto. * disasm.c: Ditto. * doublest.c: Ditto. * dwarf2-frame.c: Ditto. * dwarf2expr.c: Ditto. * dwarf2loc.c: Ditto. * dwarf2read.c: Ditto. * elfread.c: Ditto. * eval.c: Ditto. * event-loop.c: Ditto. * event-loop.h: Ditto. * exceptions.h: Ditto. * exec.c: Ditto. * expprint.c: Ditto. * expression.h: Ditto. * f-lang.c: Ditto. * f-valprint.c: Ditto. * findcmd.c: Ditto. * frame-base.c: Ditto. * frame-unwind.c: Ditto. * frame-unwind.h: Ditto. * frame.c: Ditto. * frame.h: Ditto. * gcore.c: Ditto. * gdb-stabs.h: Ditto. * gdb_assert.h: Ditto. * gdb_dirent.h: Ditto. * gdb_obstack.h: Ditto. * gdbcore.h: Ditto. * gdbtypes.c: Ditto. * gdbtypes.h: Ditto. * inf-ttrace.c: Ditto. * infcall.c: Ditto. * infcmd.c: Ditto. * inflow.c: Ditto. * infrun.c: Ditto. * inline-frame.h: Ditto. * language.c: Ditto. * language.h: Ditto. * libunwind-frame.c: Ditto. * libunwind-frame.h: Ditto. * linespec.c: Ditto. * linux-nat.c: Ditto. * linux-nat.h: Ditto. * linux-thread-db.c: Ditto. * machoread.c: Ditto. * macroexp.c: Ditto. * macrotab.c: Ditto. * main.c: Ditto. * maint.c: Ditto. * mdebugread.c: Ditto. * memattr.c: Ditto. * minsyms.c: Ditto. * monitor.c: Ditto. * monitor.h: Ditto. * objfiles.c: Ditto. * objfiles.h: Ditto. * osabi.c: Ditto. * p-typeprint.c: Ditto. * p-valprint.c: Ditto. * parse.c: Ditto. * printcmd.c: Ditto. * proc-events.c: Ditto. * procfs.c: Ditto. * progspace.c: Ditto. * progspace.h: Ditto. * psympriv.h: Ditto. * psymtab.c: Ditto. * record.c: Ditto. * regcache.c: Ditto. * regcache.h: Ditto. * remote-fileio.c: Ditto. * remote.c: Ditto. * ser-mingw.c: Ditto. * ser-tcp.c: Ditto. * ser-unix.c: Ditto. * serial.c: Ditto. * serial.h: Ditto. * solib-frv.c: Ditto. * solib-irix.c: Ditto. * solib-osf.c: Ditto. * solib-pa64.c: Ditto. * solib-som.c: Ditto. * solib-sunos.c: Ditto. * solib-svr4.c: Ditto. * solib-target.c: Ditto. * solib.c: Ditto. * somread.c: Ditto. * source.c: Ditto. * stabsread.c: Ditto. * stabsread.c: Ditto. * stack.c: Ditto. * stack.h: Ditto. * symfile-mem.c: Ditto. * symfile.c: Ditto. * symfile.h: Ditto. * symmisc.c: Ditto. * symtab.c: Ditto. * symtab.h: Ditto. * target-descriptions.c: Ditto. * target-memory.c: Ditto. * target.c: Ditto. * target.h: Ditto. * terminal.h: Ditto. * thread.c: Ditto. * top.c: Ditto. * tracepoint.c: Ditto. * tracepoint.h: Ditto. * ui-file.c: Ditto. * ui-file.h: Ditto. * ui-out.h: Ditto. * user-regs.c: Ditto. * user-regs.h: Ditto. * utils.c: Ditto. * valarith.c: Ditto. * valops.c: Ditto. * valprint.c: Ditto. * valprint.h: Ditto. * value.c: Ditto. * varobj.c: Ditto. * varobj.h: Ditto. * vec.h: Ditto. * xcoffread.c: Ditto. * xcoffsolib.c: Ditto. * xcoffsolib.h: Ditto. * xml-syscall.c: Ditto. * xml-tdesc.c: Ditto. |
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|
Joel Brobecker
|
7b6bb8daac | run copyright.sh for 2011. | |
|
Michael Snyder
|
0e2de36609 |
2010-12-31 Michael Snyder <msnyder@vmware.com>
* annotate.c: Comment cleanup, shorten long lines. * arch-utils.c: Ditto. * arch-utils.h: Ditto. * auxv.c: Ditto. * auxv.h: Ditto. * ax-gdb.c: Ditto. * ax-gdb.h: Ditto. * ax-general.c: Ditto. * breakpoint.h: Ditto. * buildsym.h: Ditto. |
|
|
Tom Tromey
|
f870a310ee |
gdb
2010-03-05 Corinna Vinschen <vinschen@redhat.com> Tom Tromey <tromey@redhat.com> * utils.c (host_char_to_target): Add 'gdbarch' argument. (parse_escape): Likewise. * python/py-utils.c (unicode_to_target_string): Update. (unicode_to_target_python_string): Update. (target_string_to_unicode): Update. * printcmd.c (printf_command): Update. * p-exp.y (yylex): Update. * objc-exp.y (yylex): Update. * mi/mi-parse.c: Include charset.h. (mi_parse_escape): New function. (mi_parse_argv): Use it. * jv-exp.y (yylex): Update. * i386-cygwin-tdep.c (i386_cygwin_auto_wide_charset): New function. (i386_cygwin_init_abi): Call set_gdbarch_auto_wide_charset. * gdbarch.sh (auto_charset, auto_wide_charset): New. * gdbarch.c: Rebuild. * gdbarch.h: Rebuild. * defs.h (parse_escape): Update. * cli/cli-setshow.c: Include arch-utils.h. (do_setshow_command): Update. * cli/cli-cmds.c (echo_command): Update. * charset.h (target_charset, target_wide_charset): Update. * charset.c: Include arch-utils.h. (target_charset_name): Default to "auto". (target_wide_charset_name): Likewise. (show_target_charset_name): Handle "auto". (show_target_wide_charset_name): Likewise. (be_le_arch): New global. (set_be_le_names): Add 'gdbarch' argument. (validate): Likewise. Don't call set_be_le_names. (set_charset_sfunc, set_host_charset_sfunc) (set_target_charset_sfunc, set_target_wide_charset_sfunc): Update. (target_charset): Add 'gdbarch' argument. (target_wide_charset): Likewise. Remove 'byte_order' argument. (auto_target_charset_name): New global. (default_auto_charset, default_auto_wide_charset): New functions. (_initialize_charset): Set auto_target_charset_name. Allow "auto" for target charsets. Copy result of nl_langinfo. Use GetACP if USE_WIN32API. * c-lang.c (charset_for_string_type): Add 'gdbarch' argument, remove 'byte_order' argument. Update. (classify_type): Likewise. (c_emit_char): Update. (c_printchar): Update. (c_printstr): Update. (c_get_string): Update. (evaluate_subexp_c): Update. * arch-utils.h (default_auto_charset, default_auto_wide_charset): Declare. * python/python.c (gdbpy_target_charset): New function. (gdbpy_target_wide_charset): Likewise. (GdbMethods): Update. * NEWS: Update. gdb/doc * gdb.texinfo (Basic Python): Document target_charset and target_wide_charset. gdb/testsuite * gdb.python/py-prettyprint.py (pp_nullstr.to_string): Use gdb.target_charset. (pp_ns.to_string): Likewise. |
|
Daniel Jacobowitz
|
a1dcb23a28 |
* arch-utils.c (default_remote_breakpoint_from_pc): New function.
* arch-utils.h (default_remote_breakpoint_from_pc): Declare. * gdbarch.c, gdbarch.h: Regenerated. * gdbarch.sh (remote_breakpoint_from_pc): New architecture method. * remote.c (remote_insert_breakpoint, remote_insert_hw_breakpoint): Use gdbarch_remote_breakpoint_from_pc. doc/ * gdb.texinfo (Architecture-Specific Protocol Details): New section. Document ARM breakpoint types. (Register Packet Format): Move into the new section. (Packets): Describe the KIND argument for Z0, z0, Z1, and z1 packets. |
|
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Stan Shebs
|
7a697b8dd7 |
Add fast tracepoints.
* arch-utils.h (default_fast_tracepoint_valid_at): Declare. * arch-utils.c (default_fast_tracepoint_valid_at): New function. * breakpoint.h (enum bptype): Add bp_fast_tracepoint. * breakpoint.c (tracepoint_type): New function. (ALL_TRACEPOINTS): Use it. (should_be_inserted): Ditto. (bpstat_check_location): Ditto. (print_one_breakpoint_location): Ditto. (user_settable_breakpoint): Ditto. (set_breakpoint_location_function): Ditto. (disable_breakpoints_in_shlibs): Ditto. (delete_trace_command): Ditto. (print_it_typical): Add bp_fast_tracepoint case. (bpstat_what): Ditto. (print_one_breakpoint_location): Ditto. (allocate_bp_location): Ditto. (mention): Ditto. (breakpoint_re_set_one): Ditto. (disable_command): Ditto. (enable_command): Ditto. (check_fast_tracepoint_sals): New function. (break_command_really): Call it. (ftrace_command): New function. (_initialize_breakpoint): Add ftrace command. * gdbarch.sh (fast_tracepoint_valid_at): New. * gdbarch.h, gdbarch.c: Regenerate. * i386-tdep.c (i386_fast_tracepoint_valid_at): New function. (i386_gdbarch_init): Use it. * remote.c (struct remote_state): New field fast_tracepoints. (PACKET_FastTracepoints): New packet config type. (remote_fast_tracepoint_feature): New function. (remote_protocol_features): Add FastTracepoints. (remote_supports_fast_tracepoints): New function. (_initialize_remote): Add FastTracepoints. * tracepoint.c (download_tracepoint): Add fast tracepoint option. * NEWS: Mention fast tracepoints. * gdb.texinfo (Create and Delete Tracepoints): Describe fast tracepoints. (Tracepoint Packets): Describe remote protocol for fast tracepoints. * gdb.trace/tracecmd.exp: Test ftrace. |
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|
Joel Brobecker
|
4c38e0a4fc |
Update copyright year in most headers.
Automatic update by copyright.sh. |
|
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Pedro Alves
|
6c95b8df7f |
2009-10-19 Pedro Alves <pedro@codesourcery.com>
Stan Shebs <stan@codesourcery.com> Add base multi-executable/process support to GDB. gdb/ * Makefile.in (SFILES): Add progspace.c. (COMMON_OBS): Add progspace.o. * progspace.h: New. * progspace.c: New. * breakpoint.h (struct bp_target_info) <placed_address_space>: New field. (struct bp_location) <pspace>: New field. (struct breakpoint) <pspace>: New field. (bpstat_stop_status, breakpoint_here_p) (moribund_breakpoint_here_p, breakpoint_inserted_here_p) (regular_breakpoint_inserted_here_p) (software_breakpoint_inserted_here_p, breakpoint_thread_match) (set_default_breakpoint): Adjust prototypes. (remove_breakpoints_pid, breakpoint_program_space_exit): Declare. (insert_single_step_breakpoint, deprecated_insert_raw_breakpoint): Adjust prototypes. * breakpoint.c (executing_startup): Delete. (default_breakpoint_sspace): New. (breakpoint_restore_shadows): Skip if the address space doesn't match. (update_watchpoint): Record the frame's program space in the breakpoint location. (insert_bp_location): Record the address space in target_info. Adjust to pass the symbol space to solib_name_from_address. (breakpoint_program_space_exit): New. (insert_breakpoint_locations): Switch the symbol space and thread when inserting breakpoints. Don't insert breakpoints in a vfork parent waiting for vfork done if we're not attached to the vfork child. (remove_breakpoints_pid): New. (reattach_breakpoints): Switch to a thread of PID. Ignore breakpoints of other symbol spaces. (create_internal_breakpoint): Store the symbol space in the sal. (create_longjmp_master_breakpoint): Iterate over all symbol spaces. (update_breakpoints_after_exec): Ignore breakpoints for other symbol spaces. (remove_breakpoint): Rename to ... (remove_breakpoint_1): ... this. Pass the breakpoints symbol space to solib_name_from_address. (remove_breakpoint): New. (mark_breakpoints_out): Ignore breakpoints from other symbol spaces. (breakpoint_init_inferior): Ditto. (breakpoint_here_p): Add an address space argument and adjust to use breakpoint_address_match. (moribund_breakpoint_here_p): Ditto. (regular_breakpoint_inserted_here_p): Ditto. (breakpoint_inserted_here_p): Ditto. (software_breakpoint_inserted_here_p): Ditto. (breakpoint_thread_match): Ditto. (bpstat_check_location): Ditto. (bpstat_stop_status): Ditto. (print_breakpoint_location): If there's a location to print, switch the current symbol space. (print_one_breakpoint_location): Add `allflag' argument. (print_one_breakpoint): Ditto. Adjust. (do_captured_breakpoint_query): Adjust. (breakpoint_1): Adjust. (breakpoint_has_pc): Also match the symbol space. (describe_other_breakpoints): Add a symbol space argument and adjust. (set_default_breakpoint): Add a symbol space argument. Set default_breakpoint_sspace. (breakpoint_address_match): New. (check_duplicates_for): Add an address space argument, and adjust. (set_raw_breakpoint): Record the symbol space in the location and in the breakpoint. (set_longjmp_breakpoint): Skip longjmp master breakpoints from other symbol spaces. (remove_thread_event_breakpoints, remove_solib_event_breakpoints) (disable_breakpoints_in_shlibs): Skip breakpoints from other symbol spaces. (disable_breakpoints_in_unloaded_shlib): Match symbol spaces. (create_catchpoint): Set the symbol space in the sal. (disable_breakpoints_before_startup): Skip breakpoints from other symbol spaces. Set executing_startup in the current symbol space. (enable_breakpoints_after_startup): Clear executing_startup in the current symbol space. Skip breakpoints from other symbol spaces. (clone_momentary_breakpoint): Also copy the symbol space. (add_location_to_breakpoint): Set the location's symbol space. (bp_loc_is_permanent): Switch thread and symbol space. (create_breakpoint): Adjust. (expand_line_sal_maybe): Expand comment to mention symbol spaces. Switch thread and symbol space when reading memory. (parse_breakpoint_sals): Set the symbol space in the sal. (break_command_really): Ditto. (skip_prologue_sal): Switch and space. (resolve_sal_pc): Ditto. (watch_command_1): Record the symbol space in the sal. (create_ada_exception_breakpoint): Adjust. (clear_command): Adjust. Match symbol spaces. (update_global_location_list): Use breakpoint_address_match. (breakpoint_re_set_one): Switch thread and space. (breakpoint_re_set): Save symbol space. (breakpoint_re_set_thread): Also reset the symbol space. (deprecated_insert_raw_breakpoint): Add an address space argument. Adjust. (insert_single_step_breakpoint): Ditto. (single_step_breakpoint_inserted_here_p): Ditto. (clear_syscall_counts): New. (_initialize_breakpoint): Install it as inferior_exit observer. * exec.h: Include "progspace.h". (exec_bfd, exec_bfd_mtime): New defines. (exec_close): Declare. * exec.c: Include "gdbthread.h" and "progspace.h". (exec_bfd, exec_bfd_mtime, current_target_sections_1): Delete. (using_exec_ops): New. (exec_close_1): Rename to exec_close, and make public. (exec_close): Rename to exec_close_1, and adjust all callers. Add description. Remove target sections and close executables from all program spaces. (exec_file_attach): Add comment. (add_target_sections): Check on `using_exec_ops' to check if the target should be pushed. (remove_target_sections): Only unpush the target if there are no more target sections in any symbol space. * gdbcore.h: Include "exec.h". (exec_bfd, exec_bfd_mtime): Remove declarations. * frame.h (get_frame_program_space, get_frame_address_space) (frame_unwind_program_space): Declare. * frame.c (struct frame_info) <pspace, aspace>: New fields. (create_sentinel_frame): Add program space argument. Set the pspace and aspace fields of the frame object. (get_current_frame, create_new_frame): Adjust. (get_frame_program_space): New. (frame_unwind_program_space): New. (get_frame_address_space): New. * stack.c (print_frame_info): Adjust. (print_frame): Use the frame's program space. * gdbthread.h (any_live_thread_of_process): Declare. * thread.c (any_live_thread_of_process): New. (switch_to_thread): Switch the program space as well. (restore_selected_frame): Don't warn if trying to restore frame level 0. * inferior.h: Include "progspace.h". (detach_fork): Declare. (struct inferior) <removable, aspace, pspace> <vfork_parent, vfork_child, pending_detach> <waiting_for_vfork_done>: New fields. <terminal_info>: Remove field. <data, num_data>: New fields. (register_inferior_data, register_inferior_data_with_cleanup) (clear_inferior_data, set_inferior_data, inferior_data): Declare. (exit_inferior, exit_inferior_silent, exit_inferior_num_silent) (inferior_appeared): Declare. (find_inferior_pid): Typo. (find_inferior_id, find_inferior_for_program_space): Declare. (set_current_inferior, save_current_inferior, prune_inferiors) (number_of_inferiors): Declare. (inferior_list): Declare. * inferior.c: Include "gdbcore.h" and "symfile.h". (inferior_list): Make public. (delete_inferior_1): Always delete thread silently. (find_inferior_id): Make public. (current_inferior_): New. (current_inferior): Use it. (set_current_inferior): New. (restore_inferior): New. (save_current_inferior): New. (free_inferior): Free the per-inferior data. (add_inferior_silent): Allocate per-inferior data. Call inferior_appeared. (delete_threads_of_inferior): New. (delete_inferior_1): Adjust interface to take an inferior pointer. (delete_inferior): Adjust. (delete_inferior_silent): Adjust. (exit_inferior_1): New. (exit_inferior): New. (exit_inferior_silent): New. (exit_inferior_num_silent): New. (detach_inferior): Adjust. (inferior_appeared): New. (discard_all_inferiors): Adjust. (find_inferior_id): Make public. Assert pid is not zero. (find_inferior_for_program_space): New. (have_inferiors): Check if we have any inferior with pid not zero. (have_live_inferiors): Go over all pushed targets looking for process_stratum. (prune_inferiors): New. (number_of_inferiors): New. (print_inferior): Add executable column. Print vfork parent/child relationships. (inferior_command): Adjust to cope with not running inferiors. (remove_inferior_command): New. (add_inferior_command): New. (clone_inferior_command): New. (struct inferior_data): New. (struct inferior_data_registration): New. (struct inferior_data_registry): New. (inferior_data_registry): New. (register_inferior_data_with_cleanup): New. (register_inferior_data): New. (inferior_alloc_data): New. (inferior_free_data): New. (clear_inferior_data): New. (set_inferior_data): New. (inferior_data): New. (initialize_inferiors): New. (_initialize_inferiors): Register "add-inferior", "remove-inferior" and "clone-inferior" commands. * objfiles.h: Include "progspace.h". (struct objfile) <pspace>: New field. (symfile_objfile, object_files): Don't declare. (ALL_PSPACE_OBJFILES): New. (ALL_PSPACE_OBJFILES_SAFE): New. (ALL_OBJFILES, ALL_OBJFILES_SAFE): Adjust. (ALL_PSPACE_SYMTABS): New. (ALL_PRIMARY_SYMTABS): Adjust. (ALL_PSPACE_PRIMARY_SYMTABS): New. (ALL_PSYMTABS): Adjust. (ALL_PSPACE_PSYMTABS): New. * objfiles.c (object_files, symfile_objfile): Delete. (struct objfile_sspace_info): New. (objfiles_pspace_data): New. (objfiles_pspace_data_cleanup): New. (get_objfile_pspace_data): New. (objfiles_changed_p): Delete. (allocate_objfile): Set the objfile's program space. Adjust to reference objfiles_changed_p in pspace data. (free_objfile): Adjust to reference objfiles_changed_p in pspace data. (objfile_relocate): Ditto. (update_section_map): Add pspace argument. Adjust to iterate over objfiles in the passed in pspace. (find_pc_section): Delete sections and num_sections statics. Adjust to refer to program space's objfiles_changed_p. Adjust to refer to sections and num_sections store in the objfile's pspace data. (objfiles_changed): Adjust to reference objfiles_changed_p in pspace data. (_initialize_objfiles): New. * linespec.c (decode_all_digits, decode_dollar): Set the sal's program space. * source.c (current_source_pspace): New. (get_current_source_symtab_and_line): Set the sal's program space. (set_current_source_symtab_and_line): Set current_source_pspace. (select_source_symtab): Ditto. Use ALL_OBJFILES. (forget_cached_source_info): Iterate over all program spaces. * symfile.c (clear_symtab_users): Adjust. * symmisc.c (print_symbol_bcache_statistics): Iterate over all program spaces. (print_objfile_statistics): Ditto. (maintenance_print_msymbols): Ditto. (maintenance_print_objfiles): Ditto. (maintenance_info_symtabs): Ditto. (maintenance_info_psymtabs): Ditto. * symtab.h (SYMTAB_PSPACE): New. (struct symtab_and_line) <pspace>: New field. * symtab.c (init_sal): Clear the sal's program space. (find_pc_sect_symtab): Set the sal's program space. Switch thread and space. (append_expanded_sal): Add program space argument. Iterate over all program spaces. (expand_line_sal): Iterate over all program spaces. Switch program space. * target.h (enum target_waitkind) <TARGET_WAITKIND_VFORK_DONE>: New. (struct target_ops) <to_thread_address_space>: New field. (target_thread_address_space): Define. * target.c (target_detach): Only remove breakpoints from the inferior we're detaching. (target_thread_address_space): New. * defs.h (initialize_progspace): Declare. * top.c (gdb_init): Call it. * solist.h (struct so_list) <sspace>: New field. * solib.h (struct program_space): Forward declare. (solib_name_from_address): Adjust prototype. * solib.c (so_list_head): Replace with a macro referencing the program space. (update_solib_list): Set the so's program space. (solib_name_from_address): Add a program space argument and adjust. * solib-svr4.c (struct svr4_info) <pid>: Delete field. <interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low> <interp_plt_sect_high>: New fields. (svr4_info_p, svr4_info): Delete. (solib_svr4_sspace_data): New. (get_svr4_info): Rewrite. (svr4_sspace_data_cleanup): New. (open_symbol_file_object): Adjust. (svr4_default_sos): Adjust. (svr4_fetch_objfile_link_map): Adjust. (interp_text_sect_low, interp_text_sect_high, interp_plt_sect_low) (interp_plt_sect_high): Delete. (svr4_in_dynsym_resolve_code): Adjust. (enable_break): Adjust. (svr4_clear_solib): Revert bit that removed the svr4_info here, and reinstate clearing debug_base, debug_loader_offset_p, debug_loader_offset and debug_loader_name. (_initialize_svr4_solib): Register solib_svr4_pspace_data. Don't install an inferior_exit observer anymore. * printcmd.c (struct display) <pspace>: New field. (display_command): Set the display's sspace. (do_one_display): Match the display's sspace. (display_uses_solib_p): Ditto. * linux-fork.c (detach_fork): Moved to infrun.c. (_initialize_linux_fork): Moved "detach-on-fork" command to infrun.c. * infrun.c (detach_fork): Moved from linux-fork.c. (proceed_after_vfork_done): New. (handle_vfork_child_exec_or_exit): New. (follow_exec_mode_replace, follow_exec_mode_keep) (follow_exec_mode_names, follow_exec_mode_string) (show_follow_exec_mode_string): New. (follow_exec): New. Reinstate the mark_breakpoints_out call. Remove shared libraries before attaching new executable. If user wants to keep the inferior, keep it. (displaced_step_fixup): Adjust to pass an address space to the breakpoints module. (resume): Ditto. (clear_proceed_status): In all-stop mode, always clear the proceed status of all threads. (prepare_to_proceed): Adjust to pass an address space to the breakpoints module. (proceed): Ditto. (adjust_pc_after_break): Ditto. (handle_inferior_event): When handling a process exit, switch the program space to the inferior's that had exited. Call handle_vfork_child_exec_or_exit. Adjust to pass an address space to the breakpoints module. In non-stop mode, when following a fork and detach-fork is off, also resume the other branch. Handle TARGET_WAITKIND_VFORK_DONE. Set the program space in sals. (normal_stop): Prune inferiors. (_initialize_infrun): Install the new "follow-exec-mode" command. "detach-on-fork" moved here. * regcache.h (get_regcache_aspace): Declare. * regcache.c (struct regcache) <aspace>: New field. (regcache_xmalloc): Clear the aspace. (get_regcache_aspace): New. (regcache_cpy): Copy the aspace field. (regcache_cpy_no_passthrough): Ditto. (get_thread_regcache): Fetch the thread's address space from the target, and store it in the regcache. * infcall.c (call_function_by_hand): Set the sal's pspace. * arch-utils.c (default_has_shared_address_space): New. * arch-utils.h (default_has_shared_address_space): Declare. * gdbarch.sh (has_shared_address_space): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.c: Include auxv.h, target.h, elf/common.h. (linux_has_shared_address_space): New. (_initialize_linux_tdep): Declare. * arm-tdep.c (arm_software_single_step): Pass the frame's address space to insert_single_step_breakpoint. * arm-linux-tdep.c (arm_linux_software_single_step): Pass the frame's pspace to breakpoint functions. * cris-tdep.c (crisv32_single_step_through_delay): Ditto. (cris_software_single_step): Ditto. * mips-tdep.c (deal_with_atomic_sequence): Add frame argument. Pass the frame's pspace to breakpoint functions. (mips_software_single_step): Adjust. (mips_single_step_through_delay): Adjust. * rs6000-aix-tdep.c (rs6000_software_single_step): Adjust. * rs6000-tdep.c (ppc_deal_with_atomic_sequence): Adjust. * solib-irix.c (enable_break): Adjust to pass the current frame's address space to breakpoint functions. * sparc-tdep.c (sparc_software_single_step): Ditto. * spu-tdep.c (spu_software_single_step): Ditto. * alpha-tdep.c (alpha_software_single_step): Ditto. * record.c (record_wait): Adjust to pass an address space to the breakpoints module. * fork-child.c (fork_inferior): Set the new inferior's program and address spaces. * inf-ptrace.c (inf_ptrace_follow_fork): Copy the parent's program and address spaces. (inf_ptrace_attach): Set the inferior's program and address spaces. * linux-nat.c: Include "solib.h". (linux_child_follow_fork): Manage parent and child's program and address spaces. Clone the parent's program space if necessary. Don't wait for the vfork to be done here. Refuse to resume if following the vfork parent while leaving the child stopped. (resume_callback): Don't resume a vfork parent. (linux_nat_resume): Also check for pending events in the lp->waitstatus field. (linux_handle_extended_wait): Report TARGET_WAITKIND_VFORK_DONE events to the core. (stop_wait_callback): Don't wait for SIGSTOP on vfork parents. (cancel_breakpoint): Adjust. * linux-thread-db.c (thread_db_wait): Don't remove thread event breakpoints here. (thread_db_mourn_inferior): Don't mark breakpoints out here. Remove thread event breakpoints after mourning. * corelow.c: Include progspace.h. (core_open): Set the inferior's program and address spaces. * remote.c (remote_add_inferior): Set the new inferior's program and address spaces. (remote_start_remote): Update address spaces. (extended_remote_create_inferior_1): Don't init the thread list if we already debugging other inferiors. * darwin-nat.c (darwin_attach): Set the new inferior's program and address spaces. * gnu-nat.c (gnu_attach): Ditto. * go32-nat.c (go32_create_inferior): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork, inf_ttrace_attach): Ditto. * monitor.c (monitor_open): Ditto. * nto-procfs.c (procfs_attach, procfs_create_inferior): Ditto. * procfs.c (do_attach): Ditto. * windows-nat.c (do_initial_windows_stuff): Ditto. * inflow.c (inferior_process_group) (terminal_init_inferior_with_pgrp, terminal_inferior, (terminal_ours_1, inflow_inferior_exit, copy_terminal_info) (child_terminal_info, new_tty_postfork, set_sigint_trap): Adjust to use per-inferior data instead of inferior->terminal_info. (inflow_inferior_data): New. (inflow_new_inferior): Delete. (inflow_inferior_data_cleanup): New. (get_inflow_inferior_data): New. * mi/mi-interp.c (mi_new_inferior): Rename to... (mi_inferior_appeared): ... this. (mi_interpreter_init): Adjust. * tui/tui-disasm.c: Include "progspace.h". (tui_set_disassem_content): Pass an address space to breakpoint_here_p. * NEWS: Mention multi-program debugging support. Mention new commands "add-inferior", "clone-inferior", "remove-inferior", "maint info program-spaces", and new option "set follow-exec-mode". 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * observer.texi (new_inferior): Rename to... (inferior_appeared): ... this. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/testsuite/ * gdb.base/foll-vfork.exp: Adjust to spell out "follow-fork". * gdb.base/foll-exec.exp: Adjust to expect a process id before "Executing new program". * gdb.base/foll-fork.exp: Adjust to spell out "follow-fork". * gdb.base/multi-forks.exp: Ditto. Adjust to the inferior being left listed after having been killed. * gdb.base/attach.exp: Adjust to spell out "symbol-file". * gdb.base/maint.exp: Adjust test. * Makefile.in (ALL_SUBDIRS): Add gdb.multi. * gdb.multi/Makefile.in: New. * gdb.multi/base.exp: New. * gdb.multi/goodbye.c: New. * gdb.multi/hangout.c: New. * gdb.multi/hello.c: New. * gdb.multi/bkpt-multi-exec.c: New. * gdb.multi/bkpt-multi-exec.exp: New. * gdb.multi/crashme.c: New. 2009-10-19 Pedro Alves <pedro@codesourcery.com> Stan Shebs <stan@codesourcery.com> gdb/doc/ * gdb.texinfo (Inferiors): Rename node to ... (Inferiors and Programs): ... this. Mention running multiple programs in the same debug session. <info inferiors>: Mention the new 'Executable' column if "info inferiors". Update examples. Document the "add-inferior", "clone-inferior", "remove-inferior" and "maint info program-spaces" commands. (Process): Rename node to... (Forks): ... this. Document "set|show follow-exec-mode". |
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Ulrich Weigand
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99e4058030 |
* gdbarch.sh (displaced_step_hw_singlestep): New callback.
* gdbarch.c, gdbarch.h: Regenerate. * arch-utils.c (default_displaced_step_hw_singlestep): New function. * arch-utils.h (default_displaced_step_hw_singlestep): Add prototype. * ppc-linux-tdep.c (ppc_displaced_step_hw_singlestep): New function. (rs6000_gdbarch_init): Install it. * infrun.c (displaced_step_fixup): Use new callback to determine whether to "step" or "continue" displaced copy. (resume): Likewise. Do not call maybe_software_singlestep for displaced stepping. (maybe_software_singlestep): Do not handle displaced stepping. |
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|
Ulrich Weigand
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e17a411335 |
* defs.h (extract_signed_integer, extract_unsigned_integer,
extract_long_unsigned_integer, store_signed_integer, store_unsigned_integer): Add BYTE_ORDER parameter. * findvar.c (extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer, store_signed_integer, store_unsigned_integer): Add BYTE_ORDER parameter. Use it instead of current_gdbarch. * gdbcore.h (read_memory_integer, safe_read_memory_integer, read_memory_unsigned_integer, write_memory_signed_integer, write_memory_unsigned_integer): Add BYTE_ORDER parameter. * corefile.c (struct captured_read_memory_integer_arguments): Add BYTE_ORDER member. (safe_read_memory_integer): Add BYTE_ORDER parameter. Store it into struct captured_read_memory_integer_arguments. (do_captured_read_memory_integer): Pass it to read_memory_integer. (read_memory_integer): Add BYTE_ORDER parameter. Pass it to extract_signed_integer. (read_memory_unsigned_integer): Add BYTE_ORDER parameter. Pass it to extract_unsigned_integer. (write_memory_signed_integer): Add BYTE_ORDER parameter. Pass it to store_signed_integer. (write_memory_unsigned_integer): Add BYTE_ORDER parameter. Pass it to store_unsigned_integer. * target.h (get_target_memory_unsigned): Add BYTE_ORDER parameter. * target.c (get_target_memory_unsigned): Add BYTE_ORDER parameter. Pass it to extract_unsigned_integer. Update calls to extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer, store_signed_integer, store_unsigned_integer, read_memory_integer, read_memory_unsigned_integer, safe_read_memory_integer, write_memory_signed_integer, write_memory_unsigned_integer, and get_target_memory_unsigned to pass byte order: * ada-lang.c (ada_value_binop): Update. * ada-valprint.c (char_at): Update. * alpha-osf1-tdep.c (alpha_osf1_sigcontext_addr): Update. * alpha-tdep.c (alpha_lds, alpha_sts, alpha_push_dummy_call, alpha_extract_return_value, alpha_read_insn, alpha_get_longjmp_target): Update. * amd64-linux-tdep.c (amd64_linux_sigcontext_addr): Update. * amd64obsd-tdep.c (amd64obsd_supply_uthread, amd64obsd_collect_uthread, amd64obsd_trapframe_cache): Update. * amd64-tdep.c (amd64_push_dummy_call, amd64_analyze_prologue, amd64_frame_cache, amd64_sigtramp_frame_cache, fixup_riprel, amd64_displaced_step_fixup): Update. * arm-linux-tdep.c (arm_linux_sigreturn_init, arm_linux_rt_sigreturn_init, arm_linux_supply_gregset): Update. * arm-tdep.c (thumb_analyze_prologue, arm_skip_prologue, arm_scan_prologue, arm_push_dummy_call, thumb_get_next_pc, arm_get_next_pc, arm_extract_return_value, arm_store_return_value, arm_return_value): Update. * arm-wince-tdep.c (arm_pe_skip_trampoline_code): Update. * auxv.c (default_auxv_parse): Update. * avr-tdep.c (avr_address_to_pointer, avr_pointer_to_address, avr_scan_prologue, avr_extract_return_value, avr_frame_prev_register, avr_push_dummy_call): Update. * bsd-uthread.c (bsd_uthread_check_magic, bsd_uthread_lookup_offset, bsd_uthread_wait, bsd_uthread_thread_alive, bsd_uthread_extra_thread_info): Update. * c-lang.c (c_printstr, print_wchar): Update. * cp-valprint.c (cp_print_class_member): Update. * cris-tdep.c (cris_sigcontext_addr, cris_sigtramp_frame_unwind_cache, cris_push_dummy_call, cris_scan_prologue, cris_store_return_value, cris_extract_return_value, find_step_target, dip_prefix, sixteen_bit_offset_branch_op, none_reg_mode_jump_op, move_mem_to_reg_movem_op, get_data_from_address): Update. * dwarf2expr.c (dwarf2_read_address, execute_stack_op): Update. * dwarf2-frame.c (execute_cfa_program): Update. * dwarf2loc.c (find_location_expression): Update. * dwarf2read.c (dwarf2_const_value): Update. * expprint.c (print_subexp_standard): Update. * findvar.c (unsigned_pointer_to_address, signed_pointer_to_address, unsigned_address_to_pointer, address_to_signed_pointer, read_var_value): Update. * frame.c (frame_unwind_register_signed, frame_unwind_register_unsigned, get_frame_memory_signed, get_frame_memory_unsigned): Update. * frame-unwind.c (frame_unwind_got_constant): Update. * frv-linux-tdep.c (frv_linux_pc_in_sigtramp, frv_linux_sigcontext_reg_addr, frv_linux_sigtramp_frame_cache): Update. * frv-tdep.c (frv_analyze_prologue, frv_skip_main_prologue, frv_extract_return_value, find_func_descr, frv_convert_from_func_ptr_addr, frv_push_dummy_call): Update. * f-valprint.c (f_val_print): Update. * gnu-v3-abi.c (gnuv3_decode_method_ptr, gnuv3_make_method_ptr): Update. * h8300-tdep.c (h8300_is_argument_spill, h8300_analyze_prologue, h8300_push_dummy_call, h8300_extract_return_value, h8300h_extract_return_value, h8300_store_return_value, h8300h_store_return_value): Update. * hppabsd-tdep.c (hppabsd_find_global_pointer): Update. * hppa-hpux-nat.c (hppa_hpux_fetch_register, hppa_hpux_store_register): Update. * hppa-hpux-tdep.c (hppa32_hpux_in_solib_call_trampoline, hppa64_hpux_in_solib_call_trampoline, hppa_hpux_in_solib_return_trampoline, hppa_hpux_skip_trampoline_code, hppa_hpux_sigtramp_frame_unwind_cache, hppa_hpux_sigtramp_unwind_sniffer, hppa32_hpux_find_global_pointer, hppa64_hpux_find_global_pointer, hppa_hpux_search_pattern, hppa32_hpux_search_dummy_call_sequence, hppa64_hpux_search_dummy_call_sequence, hppa_hpux_supply_save_state, hppa_hpux_unwind_adjust_stub): Update. * hppa-linux-tdep.c (insns_match_pattern, hppa_linux_find_global_pointer): Update. * hppa-tdep.c (hppa_in_function_epilogue_p, hppa32_push_dummy_call, hppa64_convert_code_addr_to_fptr, hppa64_push_dummy_call, skip_prologue_hard_way, hppa_frame_cache, hppa_fallback_frame_cache, hppa_pseudo_register_read, hppa_frame_prev_register_helper, hppa_match_insns): Update. * hpux-thread.c (hpux_thread_fetch_registers): Update. * i386-tdep.c (i386bsd_sigcontext_addr): Update. * i386-cygwin-tdep.c (core_process_module_section): Update. * i386-darwin-nat.c (i386_darwin_sstep_at_sigreturn, amd64_darwin_sstep_at_sigreturn): Update. * i386-darwin-tdep.c (i386_darwin_sigcontext_addr, amd64_darwin_sigcontext_addr): Likewise. * i386-linux-nat.c (i386_linux_sigcontext_addr): Update. * i386nbsd-tdep.c (i386nbsd_sigtramp_cache_init): Update. * i386-nto-tdep.c (i386nto_sigcontext_addr): Update. * i386obsd-nat.c (i386obsd_supply_pcb): Update. * i386obsd-tdep.c (i386obsd_supply_uthread, i386obsd_collect_uthread, i386obsd_trapframe_cache): Update. * i386-tdep.c (i386_displaced_step_fixup, i386_follow_jump, i386_analyze_frame_setup, i386_analyze_prologue, i386_skip_main_prologue, i386_frame_cache, i386_sigtramp_frame_cache, i386_get_longjmp_target, i386_push_dummy_call, i386_pe_skip_trampoline_code, i386_svr4_sigcontext_addr, i386_fetch_pointer_argument): Update. * i387-tdep.c (i387_supply_fsave): Update. * ia64-linux-tdep.c (ia64_linux_sigcontext_register_address): Update. * ia64-tdep.c (ia64_pseudo_register_read, ia64_pseudo_register_write, examine_prologue, ia64_frame_cache, ia64_frame_prev_register, ia64_sigtramp_frame_cache, ia64_sigtramp_frame_prev_register, ia64_access_reg, ia64_access_rse_reg, ia64_libunwind_frame_this_id, ia64_libunwind_frame_prev_register, ia64_libunwind_sigtramp_frame_this_id, ia64_libunwind_sigtramp_frame_prev_register, ia64_find_global_pointer, find_extant_func_descr, find_func_descr, ia64_convert_from_func_ptr_addr, ia64_push_dummy_call, ia64_dummy_id, ia64_unwind_pc): Update. * iq2000-tdep.c (iq2000_pointer_to_address, iq2000_address_to_pointer, iq2000_scan_prologue, iq2000_extract_return_value, iq2000_push_dummy_call): Update. * irix5nat.c (fill_gregset): Update. * jv-lang.c (evaluate_subexp_java): Update. * jv-valprint.c (java_value_print): Update. * lm32-tdep.c (lm32_analyze_prologue, lm32_push_dummy_call, lm32_extract_return_value, lm32_store_return_value): Update. * m32c-tdep.c (m32c_push_dummy_call, m32c_return_value, m32c_skip_trampoline_code, m32c_m16c_address_to_pointer, m32c_m16c_pointer_to_address): Update. * m32r-tdep.c (m32r_store_return_value, decode_prologue, m32r_skip_prologue, m32r_push_dummy_call, m32r_extract_return_value): Update. * m68hc11-tdep.c (m68hc11_pseudo_register_read, m68hc11_pseudo_register_write, m68hc11_analyze_instruction, m68hc11_push_dummy_call): Update. * m68linux-tdep.c (m68k_linux_pc_in_sigtramp, m68k_linux_get_sigtramp_info, m68k_linux_sigtramp_frame_cache): Update. * m68k-tdep.c (m68k_push_dummy_call, m68k_analyze_frame_setup, m68k_analyze_register_saves, m68k_analyze_prologue, m68k_frame_cache, m68k_get_longjmp_target): Update. * m88k-tdep.c (m88k_fetch_instruction): Update. * mep-tdep.c (mep_pseudo_cr32_read, mep_pseudo_csr_write, mep_pseudo_cr32_write, mep_get_insn, mep_push_dummy_call): Update. * mi/mi-main.c (mi_cmd_data_write_memory): Update. * mips-linux-tdep.c (mips_linux_get_longjmp_target, supply_32bit_reg, mips64_linux_get_longjmp_target, mips64_fill_gregset, mips64_fill_fpregset, mips_linux_in_dynsym_stub): Update. * mipsnbdsd-tdep.c (mipsnbsd_get_longjmp_target): Update. * mips-tdep.c (mips_fetch_instruction, fetch_mips_16, mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call, mips_o32_push_dummy_call, mips_o64_push_dummy_call, mips_single_step_through_delay, mips_skip_pic_trampoline_code, mips_integer_to_address): Update. * mn10300-tdep.c (mn10300_analyze_prologue, mn10300_push_dummy_call): Update. * monitor.c (monitor_supply_register, monitor_write_memory, monitor_read_memory_single): Update. * moxie-tdep.c (moxie_store_return_value, moxie_extract_return_value, moxie_analyze_prologue): Update. * mt-tdep.c (mt_return_value, mt_skip_prologue, mt_select_coprocessor, mt_pseudo_register_read, mt_pseudo_register_write, mt_registers_info, mt_push_dummy_call): Update. * objc-lang.c (read_objc_method, read_objc_methlist_nmethods, read_objc_methlist_method, read_objc_object, read_objc_super, read_objc_class, find_implementation_from_class): Update. * ppc64-linux-tdep.c (ppc64_desc_entry_point, ppc64_linux_convert_from_func_ptr_addr, ppc_linux_sigtramp_cache): Update. * ppcobsd-tdep.c (ppcobsd_sigtramp_frame_sniffer, ppcobsd_sigtramp_frame_cache): Update. * ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call, do_ppc_sysv_return_value, ppc64_sysv_abi_push_dummy_call, ppc64_sysv_abi_return_value): Update. * ppc-linux-nat.c (ppc_linux_auxv_parse): Update. * procfs.c (procfs_auxv_parse): Update. * p-valprint.c (pascal_val_print): Update. * regcache.c (regcache_raw_read_signed, regcache_raw_read_unsigned, regcache_raw_write_signed, regcache_raw_write_unsigned, regcache_cooked_read_signed, regcache_cooked_read_unsigned, regcache_cooked_write_signed, regcache_cooked_write_unsigned): Update. * remote-m32r-sdi.c (m32r_fetch_register): Update. * remote-mips.c (mips_wait, mips_fetch_registers, mips_xfer_memory): Update. * rs6000-aix-tdep.c (rs6000_push_dummy_call, rs6000_return_value, rs6000_convert_from_func_ptr_addr, branch_dest, rs6000_software_single_step): Update. * rs6000-tdep.c (rs6000_in_function_epilogue_p, ppc_displaced_step_fixup, ppc_deal_with_atomic_sequence, bl_to_blrl_insn_p, rs6000_fetch_instruction, skip_prologue, rs6000_skip_main_prologue, rs6000_skip_trampoline_code, rs6000_frame_cache): Update. * s390-tdep.c (s390_pseudo_register_read, s390_pseudo_register_write, s390x_pseudo_register_read, s390x_pseudo_register_write, s390_load, s390_backchain_frame_unwind_cache, s390_sigtramp_frame_unwind_cache, extend_simple_arg, s390_push_dummy_call, s390_return_value): Update. * scm-exp.c (scm_lreadr): Update. * scm-lang.c (scm_get_field, scm_unpack): Update. * scm-valprint.c (scm_val_print): Update. * score-tdep.c (score_breakpoint_from_pc, score_push_dummy_call, score_fetch_inst): Update. * sh64-tdep.c (look_for_args_moves, sh64_skip_prologue_hard_way, sh64_analyze_prologue, sh64_push_dummy_call, sh64_extract_return_value, sh64_pseudo_register_read, sh64_pseudo_register_write, sh64_frame_prev_register): Update: * sh-tdep.c (sh_analyze_prologue, sh_push_dummy_call_fpu, sh_push_dummy_call_nofpu, sh_extract_return_value_nofpu, sh_store_return_value_nofpu, sh_in_function_epilogue_p): Update. * solib-darwin.c (darwin_load_image_infos): Update. * solib-frv.c (fetch_loadmap, lm_base, frv_current_sos, enable_break2, find_canonical_descriptor_in_load_object): Update. * solib-irix.c (extract_mips_address, fetch_lm_info, irix_current_sos, irix_open_symbol_file_object): Update. * solib-som.c (som_solib_create_inferior_hook, link_map_start, som_current_sos, som_open_symbol_file_object): Update. * solib-sunos.c (SOLIB_EXTRACT_ADDRESS, LM_ADDR, LM_NEXT, LM_NAME): Update. * solib-svr4.c (read_program_header, scan_dyntag_auxv, solib_svr4_r_ldsomap): Update. * sparc64-linux-tdep.c (sparc64_linux_step_trap): Update. * sparc64obsd-tdep.c (sparc64obsd_supply_uthread, sparc64obsd_collect_uthread): Update. * sparc64-tdep.c (sparc64_pseudo_register_read, sparc64_pseudo_register_write, sparc64_supply_gregset, sparc64_collect_gregset): Update. * sparc-linux-tdep.c (sparc32_linux_step_trap): Update. * sparcobsd-tdep.c (sparc32obsd_supply_uthread, sparc32obsd_collect_uthread): Update. * sparc-tdep.c (sparc_fetch_wcookie, sparc32_push_dummy_code, sparc32_store_arguments, sparc32_return_value, sparc_supply_rwindow, sparc_collect_rwindow): Update. * spu-linux-nat.c (parse_spufs_run): Update. * spu-tdep.c (spu_pseudo_register_read_spu, spu_pseudo_register_write_spu, spu_pointer_to_address, spu_analyze_prologue, spu_in_function_epilogue_p, spu_frame_unwind_cache, spu_push_dummy_call, spu_software_single_step, spu_get_longjmp_target, spu_get_overlay_table, spu_overlay_update_osect, info_spu_signal_command, info_spu_mailbox_list, info_spu_dma_cmdlist, info_spu_dma_command, info_spu_proxydma_command): Update. * stack.c (print_frame_nameless_args, frame_info): Update. * symfile.c (read_target_long_array, simple_read_overlay_table, simple_read_overlay_region_table): Update. * target.c (debug_print_register): Update. * tramp-frame.c (tramp_frame_start): Update. * v850-tdep.c (v850_analyze_prologue, v850_push_dummy_call, v850_extract_return_value, v850_store_return_value, * valarith.c (value_binop, value_bit_index): Update. * valops.c (value_cast): Update. * valprint.c (val_print_type_code_int, val_print_string, read_string): Update. * value.c (unpack_long, unpack_double, unpack_field_as_long, modify_field, pack_long): Update. * vax-tdep.c (vax_store_arguments, vax_push_dummy_call, vax_skip_prologue): Update. * xstormy16-tdep.c (xstormy16_push_dummy_call, xstormy16_analyze_prologue, xstormy16_in_function_epilogue_p, xstormy16_resolve_jmp_table_entry, xstormy16_find_jmp_table_entry, xstormy16_pointer_to_address, xstormy16_address_to_pointer): Update. * xtensa-tdep.c (extract_call_winsize, xtensa_pseudo_register_read, xtensa_pseudo_register_write, xtensa_frame_cache, xtensa_push_dummy_call, call0_track_op, call0_frame_cache): Update. * dfp.h (decimal_to_string, decimal_from_string, decimal_from_integral, decimal_from_floating, decimal_to_doublest, decimal_is_zero): Add BYTE_ORDER parameter. (decimal_binop): Add BYTE_ORDER_X, BYTE_ORDER_Y, and BYTE_ORDER_RESULT parameters. (decimal_compare): Add BYTE_ORDER_X and BYTE_ORDER_Y parameters. (decimal_convert): Add BYTE_ORDER_FROM and BYTE_ORDER_TO parameters. * dfp.c (match_endianness): Add BYTE_ORDER parameter. Use it instead of current_gdbarch. (decimal_to_string, decimal_from_integral, decimal_from_floating, decimal_to_doublest, decimal_is_zero): Add BYTE_ORDER parameter. Pass it to match_endianness. (decimal_binop): Add BYTE_ORDER_X, BYTE_ORDER_Y, and BYTE_ORDER_RESULT parameters. Pass them to match_endianness. (decimal_compare): Add BYTE_ORDER_X and BYTE_ORDER_Y parameters. Pass them to match_endianness. (decimal_convert): Add BYTE_ORDER_FROM and BYTE_ORDER_TO parameters. Pass them to match_endianness. * valarith.c (value_args_as_decimal): Add BYTE_ORDER_X and BYTE_ORDER_Y output parameters. (value_binop): Update call to value_args_as_decimal. Update calls to decimal_to_string, decimal_from_string, decimal_from_integral, decimal_from_floating, decimal_to_doublest, decimal_is_zero, decimal_binop, decimal_compare and decimal_convert to pass/receive byte order: * c-exp.y (parse_number): Update. * printcmd.c (printf_command): Update. * valarith.c (value_args_as_decimal, value_binop, value_logical_not, value_equal, value_less): Update. * valops.c (value_cast, value_one): Update. * valprint.c (print_decimal_floating): Update. * value.c (unpack_long, unpack_double): Update. * python/python-value.c (valpy_nonzero): Update. * ada-valprint.c (char_at): Add BYTE_ORDER parameter. (printstr): Update calls to char_at. (ada_val_print_array): Likewise. * valprint.c (read_string): Add BYTE_ORDER parameter. (val_print_string): Update call to read_string. * c-lang.c (c_get_string): Likewise. * charset.h (target_wide_charset): Add BYTE_ORDER parameter. * charset.c (target_wide_charset): Add BYTE_ORDER parameter. Use it instead of current_gdbarch. * printcmd.c (printf_command): Update calls to target_wide_charset. * c-lang.c (charset_for_string_type): Add BYTE_ORDER parameter. Pass to target_wide_charset. Use it instead of current_gdbarch. (classify_type): Add BYTE_ORDER parameter. Pass to charset_for_string_type. Allow NULL encoding pointer. (print_wchar): Add BYTE_ORDER parameter. (c_emit_char): Update calls to classify_type and print_wchar. (c_printchar, c_printstr): Likewise. * gdbarch.sh (in_solib_return_trampoline): Convert to type "m". * gdbarch.c, gdbarch.h: Regenerate. * arch-utils.h (generic_in_solib_return_trampoline): Add GDBARCH parameter. * arch-utils.c (generic_in_solib_return_trampoline): Likewise. * hppa-hpux-tdep.c (hppa_hpux_in_solib_return_trampoline): Likewise. * rs6000-tdep.c (rs6000_in_solib_return_trampoline): Likewise. (rs6000_skip_trampoline_code): Update call. * alpha-tdep.h (struct gdbarch_tdep): Add GDBARCH parameter to dynamic_sigtramp_offset and pc_in_sigtramp callbacks. (alpha_read_insn): Add GDBARCH parameter. * alpha-tdep.c (alpha_lds, alpha_sts): Add GDBARCH parameter. (alpha_register_to_value): Pass architecture to alpha_sts. (alpha_extract_return_value): Likewise. (alpha_value_to_register): Pass architecture to alpha_lds. (alpha_store_return_value): Likewise. (alpha_read_insn): Add GDBARCH parameter. (alpha_skip_prologue): Pass architecture to alpha_read_insn. (alpha_heuristic_proc_start): Likewise. (alpha_heuristic_frame_unwind_cache): Likewise. (alpha_next_pc): Likewise. (alpha_sigtramp_frame_this_id): Pass architecture to tdep->dynamic_sigtramp_offset callback. (alpha_sigtramp_frame_sniffer): Pass architecture to tdep->pc_in_sigtramp callback. * alphafbsd-tdep.c (alphafbsd_pc_in_sigtramp): Add GDBARCH parameter. (alphafbsd_sigtramp_offset): Likewise. * alpha-linux-tdep.c (alpha_linux_sigtramp_offset_1): Add GDBARCH parameter. Pass to alpha_read_insn. (alpha_linux_sigtramp_offset): Add GDBARCH parameter. Pass to alpha_linux_sigtramp_offset_1. (alpha_linux_pc_in_sigtramp): Add GDBARCH parameter. Pass to alpha_linux_sigtramp_offset. (alpha_linux_sigcontext_addr): Pass architecture to alpha_read_insn and alpha_linux_sigtramp_offset. * alphanbsd-tdep.c (alphanbsd_sigtramp_offset): Add GDBARCH parameter. (alphanbsd_pc_in_sigtramp): Add GDBARCH parameter. Pass to alphanbsd_sigtramp_offset. * alphaobsd-tdep.c (alphaobsd_sigtramp_offset): Add GDBARCH parameter. (alphaobsd_pc_in_sigtramp): Add GDBARCH parameter. Pass to alpha_read_insn. (alphaobsd_sigcontext_addr): Pass architecture to alphaobsd_sigtramp_offset. * alpha-osf1-tdep.c (alpha_osf1_pc_in_sigtramp): Add GDBARCH parameter. * amd64-tdep.c (amd64_analyze_prologue): Add GDBARCH parameter. (amd64_skip_prologue): Pass architecture to amd64_analyze_prologue. (amd64_frame_cache): Likewise. * arm-tdep.c (SWAP_SHORT, SWAP_INT): Remove. (thumb_analyze_prologue, arm_skip_prologue, arm_scan_prologue, thumb_get_next_pc, arm_get_next_pc): Do not use SWAP_ macros. * arm-wince-tdep.c: Include "frame.h". * avr-tdep.c (EXTRACT_INSN): Remove. (avr_scan_prologue): Add GDBARCH argument, inline EXTRACT_INSN. (avr_skip_prologue): Pass architecture to avr_scan_prologue. (avr_frame_unwind_cache): Likewise. * cris-tdep.c (struct instruction_environment): Add BYTE_ORDER member. (find_step_target): Initialize it. (get_data_from_address): Add BYTE_ORDER parameter. (bdap_prefix): Pass byte order to get_data_from_address. (handle_prefix_assign_mode_for_aritm_op): Likewise. (three_operand_add_sub_cmp_and_or_op): Likewise. (handle_inc_and_index_mode_for_aritm_op): Likewise. * frv-linux-tdep.c (frv_linux_pc_in_sigtramp): Add GDBARCH parameter. (frv_linux_sigcontext_reg_addr): Pass architecture to frv_linux_pc_in_sigtramp. (frv_linux_sigtramp_frame_sniffer): Likewise. * h8300-tdep.c (h8300_is_argument_spill): Add GDBARCH parameter. (h8300_analyze_prologue): Add GDBARCH parameter. Pass to h8300_is_argument_spill. (h8300_frame_cache, h8300_skip_prologue): Pass architecture to h8300_analyze_prologue. * hppa-tdep.h (struct gdbarch_tdep): Add GDBARCH parameter to in_solib_call_trampoline callback. (hppa_in_solib_call_trampoline): Add GDBARCH parameter. * hppa-tdep.c (hppa64_convert_code_addr_to_fptr): Add GDBARCH parameter. (hppa64_push_dummy_call): Pass architecture to hppa64_convert_code_addr_to_fptr. (hppa_match_insns): Add GDBARCH parameter. (hppa_match_insns_relaxed): Add GDBARCH parameter. Pass to hppa_match_insns. (hppa_skip_trampoline_code): Pass architecture to hppa_match_insns. (hppa_in_solib_call_trampoline): Add GDBARCH parameter. Pass to hppa_match_insns_relaxed. (hppa_stub_unwind_sniffer): Pass architecture to tdep->in_solib_call_trampoline callback. * hppa-hpux-tdep.c (hppa_hpux_search_pattern): Add GDBARCH parameter. (hppa32_hpux_search_dummy_call_sequence): Pass architecture to hppa_hpux_search_pattern. * hppa-linux-tdep.c (insns_match_pattern): Add GDBARCH parameter. (hppa_linux_sigtramp_find_sigcontext): Add GDBARCH parameter. Pass to insns_match_pattern. (hppa_linux_sigtramp_frame_unwind_cache): Pass architecture to hppa_linux_sigtramp_find_sigcontext. (hppa_linux_sigtramp_frame_sniffer): Likewise. (hppa32_hpux_in_solib_call_trampoline): Add GDBARCH parameter. (hppa64_hpux_in_solib_call_trampoline): Likewise. * i386-tdep.c (i386_follow_jump): Add GDBARCH parameter. (i386_analyze_frame_setup): Add GDBARCH parameter. (i386_analyze_prologue): Add GDBARCH parameter. Pass to i386_follow_jump and i386_analyze_frame_setup. (i386_skip_prologue): Pass architecture to i386_analyze_prologue and i386_follow_jump. (i386_frame_cache): Pass architecture to i386_analyze_prologue. (i386_pe_skip_trampoline_code): Add FRAME parameter. * i386-tdep.h (i386_pe_skip_trampoline_code): Add FRAME parameter. * i386-cygwin-tdep.c (i386_cygwin_skip_trampoline_code): Pass frame to i386_pe_skip_trampoline_code. * ia64-tdep.h (struct gdbarch_tdep): Add GDBARCH parameter to sigcontext_register_address callback. * ia64-tdep.c (ia64_find_global_pointer): Add GDBARCH parameter. (ia64_find_unwind_table): Pass architecture to ia64_find_global_pointer. (find_extant_func_descr): Add GDBARCH parameter. (find_func_descr): Pass architecture to find_extant_func_descr and ia64_find_global_pointer. (ia64_sigtramp_frame_init_saved_regs): Pass architecture to tdep->sigcontext_register_address callback. * ia64-linux-tdep.c (ia64_linux_sigcontext_register_address): Add GDBARCH parameter. * iq2000-tdep.c (iq2000_scan_prologue): Add GDBARCH parameter. (iq2000_frame_cache): Pass architecture to iq2000_scan_prologue. * lm32-tdep.c (lm32_analyze_prologue): Add GDBARCH parameter. (lm32_skip_prologue, lm32_frame_cache): Pass architecture to lm32_analyze_prologue. * m32r-tdep.c (decode_prologue): Add GDBARCH parameter. (m32r_skip_prologue): Pass architecture to decode_prologue. * m68hc11-tdep.c (m68hc11_analyze_instruction): Add GDBARCH parameter. (m68hc11_scan_prologue): Pass architecture to m68hc11_analyze_instruction. * m68k-tdep.c (m68k_analyze_frame_setup): Add GDBARCH parameter. (m68k_analyze_prologue): Pass architecture to m68k_analyze_frame_setup. * m88k-tdep.c (m88k_fetch_instruction): Add BYTE_ORDER parameter. (m88k_analyze_prologue): Add GDBARCH parameter. Pass byte order to m88k_fetch_instruction. (m88k_skip_prologue): Pass architecture to m88k_analyze_prologue. (m88k_frame_cache): Likewise. * mep-tdep.c (mep_get_insn): Add GDBARCH parameter. (mep_analyze_prologue): Pass architecture to mep_get_insn. * mips-tdep.c (mips_fetch_instruction): Add GDBARCH parameter. (mips32_next_pc): Pass architecture to mips_fetch_instruction. (deal_with_atomic_sequence): Likewise. (unpack_mips16): Add GDBARCH parameter, pass to mips_fetch_instruction. (mips16_scan_prologue): Likewise. (mips32_scan_prologue): Likewise. (mips16_in_function_epilogue_p): Likewise. (mips32_in_function_epilogue_p): Likewise. (mips_about_to_return): Likewise. (mips_insn16_frame_cache): Pass architecture to mips16_scan_prologue. (mips_insn32_frame_cache): Pass architecture to mips32_scan_prologue. (mips_skip_prologue): Pass architecture to mips16_scan_prologue and mips32_scan_prologue. (mips_in_function_epilogue_p): Pass architecture to mips16_in_function_epilogue_p and mips32_in_function_epilogue_p. (heuristic_proc_start): Pass architecture to mips_fetch_instruction and mips_about_to_return. (mips_skip_mips16_trampoline_code): Pass architecture to mips_fetch_instruction. (fetch_mips_16): Add GDBARCH parameter. (mips16_next_pc): Pass architecture to fetch_mips_16. (extended_mips16_next_pc): Pass architecture to unpack_mips16 and fetch_mips_16. * objc-lang.c (read_objc_method, read_objc_methlist_nmethods, read_objc_methlist_method, read_objc_object, read_objc_super, read_objc_class): Add GDBARCH parameter. (find_implementation_from_class): Add GDBARCH parameter, pass to read_objc_class, read_objc_methlist_nmethods, and read_objc_methlist_method. (find_implementation): Add GDBARCH parameter, pass to read_objc_object and find_implementation_from_class. (resolve_msgsend, resolve_msgsend_stret): Pass architecture to find_implementation. (resolve_msgsend_super, resolve_msgsend_super_stret): Pass architecture to read_objc_super and find_implementation_from_class. * ppc64-linux-tdep.c (ppc64_desc_entry_point): Add GDBARCH parameter. (ppc64_standard_linkage1_target, ppc64_standard_linkage2_target, ppc64_standard_linkage3_target): Pass architecture to ppc64_desc_entry_point. * rs6000-tdep.c (bl_to_blrl_insn_p): Add BYTE_ORDER parameter. (skip_prologue): Pass byte order to bl_to_blrl_insn_p. (rs6000_fetch_instruction): Add GDBARCH parameter. (rs6000_skip_stack_check): Add GDBARCH parameter, pass to rs6000_fetch_instruction. (skip_prologue): Pass architecture to rs6000_fetch_instruction. * remote-mips.c (mips_store_word): Return old_contents as host integer value instead of target bytes. * s390-tdep.c (struct s390_prologue_data): Add BYTE_ORDER member. (s390_analyze_prologue): Initialize it. (extend_simple_arg): Add GDBARCH parameter. (s390_push_dummy_call): Pass architecture to extend_simple_arg. * scm-lang.c (scm_get_field): Add BYTE_ORDER parameter. * scm-lang.h (scm_get_field): Add BYTE_ORDER parameter. (SCM_CAR, SCM_CDR): Pass SCM_BYTE_ORDER to scm_get_field. * scm-valprint.c (scm_scmval_print): Likewise. (scm_scmlist_print, scm_ipruk, scm_scmval_print): Define SCM_BYTE_ORDER. * sh64-tdep.c (look_for_args_moves): Add GDBARCH parameter. (sh64_skip_prologue_hard_way): Add GDBARCH parameter, pass to look_for_args_moves. (sh64_skip_prologue): Pass architecture to sh64_skip_prologue_hard_way. * sh-tdep.c (sh_analyze_prologue): Add GDBARCH parameter. (sh_skip_prologue): Pass architecture to sh_analyze_prologue. (sh_frame_cache): Likewise. * solib-irix.c (extract_mips_address): Add GDBARCH parameter. (fetch_lm_info, irix_current_sos, irix_open_symbol_file_object): Pass architecture to extract_mips_address. * sparc-tdep.h (sparc_fetch_wcookie): Add GDBARCH parameter. * sparc-tdep.c (sparc_fetch_wcookie): Add GDBARCH parameter. (sparc_supply_rwindow, sparc_collect_rwindow): Pass architecture to sparc_fetch_wcookie. (sparc32_frame_prev_register): Likewise. * sparc64-tdep.c (sparc64_frame_prev_register): Likewise. * sparc32nbsd-tdep.c (sparc32nbsd_sigcontext_saved_regs): Likewise. * sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_saved_regs): Likewise. * spu-tdep.c (spu_analyze_prologue): Add GDBARCH parameter. (spu_skip_prologue): Pass architecture to spu_analyze_prologue. (spu_virtual_frame_pointer): Likewise. (spu_frame_unwind_cache): Likewise. (info_spu_mailbox_list): Add BYTE_ORER parameter. (info_spu_mailbox_command): Pass byte order to info_spu_mailbox_list. (info_spu_dma_cmdlist): Add BYTE_ORER parameter. (info_spu_dma_command, info_spu_proxydma_command): Pass byte order to info_spu_dma_cmdlist. * symfile.c (read_target_long_array): Add GDBARCH parameter. (simple_read_overlay_table, simple_read_overlay_region_table, simple_overlay_update_1): Pass architecture to read_target_long_array. * v850-tdep.c (v850_analyze_prologue): Add GDBARCH parameter. (v850_frame_cache): Pass architecture to v850_analyze_prologue. * xstormy16-tdep.c (xstormy16_analyze_prologue): Add GDBARCH parameter. (xstormy16_skip_prologue, xstormy16_frame_cache): Pass architecture to xstormy16_analyze_prologue. (xstormy16_resolve_jmp_table_entry): Add GDBARCH parameter. (xstormy16_find_jmp_table_entry): Likewise. (xstormy16_skip_trampoline_code): Pass architecture to xstormy16_resolve_jmp_table_entry. (xstormy16_pointer_to_address): Likewise. (xstormy16_address_to_pointer): Pass architecture to xstormy16_find_jmp_table_entry. * xtensa-tdep.c (call0_track_op): Add GDBARCH parameter. (call0_analyze_prologue): Add GDBARCH parameter, pass to call0_track_op. (call0_frame_cache): Pass architecture to call0_analyze_prologue. (xtensa_skip_prologue): Likewise. |
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Ulrich Weigand
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e17c207e88 |
* arch-utils.c (selected_byte_order): Return target_byte_order_user.
(show_endian): Use target_byte_order_user if specified; otherwise use get_current_arch () instead of current_gdbarch. (show_architecture): Use set_architecture_string if specified; otherwise use get_current_arch () instead of current_gdbarch. (get_current_arch): New function. * arch-utils.h (get_current_arch): Add prototype. * osabi.c (show_osabi): Use get_current_arch () instead of current_gdbarch. * findcmd.c: Include "arch-utils.h". (parse_find_args): Add BIG_P argument. Use it instead of byte order of current_gdbarch. (find_command): Use get_current_arch () instead of current_gdbarch. Pass byte order to parse_find_args. * maint.c: Include "arch-utils.h". (maintenance_print_architecture): Use get_current_arch () instead of current_gdbarch. * reggroups.c: Include "arch-utils.h". (maintenance_print_reggroups): Use get_current_arch () instead of current_gdbarch. * symfile.c: Include "arch-utils.h". (overlay_load_command): Use get_current_arch () instead of current_gdbarch. * value.c: Include "arch-utils.h". (show_convenience): Use get_current_arch () instead of current_gdbarch. * tui/tui-regs.c: Include "arch-utils.h". (tui_reg_next_command): Use get_current_arch () instead of current_gdbarch. * mi/mi-main.c: Include "arch-utils.h". (mi_cmd_data_read_memory): Use get_current_arch () instead of current_gdbarch. * parse.c: Include "arch-utils.h". (parse_exp_in_context): Use get_current_arch () instead of current_gdbarch. |
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Joel Brobecker
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0fb0cc7590 | Updated copyright notices for most files. | |
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Ulrich Weigand
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24568a2cd9 |
* gdbarch.sh (addr_bits_remove): Change type to 'm'.
(smash_text_address): Likewise. * gdbarch.c, gdbarch.h: Regenerate. * arch-utils.c (core_addr_identity): Add gdbarch parameter. * arch-utils.h (core_addr_identity): Likewise. * arm-tdep.c (arm_addr_bits_remove): Likewise. (arm_smash_text_address): Likewise. * hppa-tdep.c (hppa_smash_text_address): Likewise. * m88k-tdep.c (m88k_addr_bits_remove): Likewise. * s390-tdep.c (s390_addr_bits_remove): Likewise. * mips-tdep.c (mips_addr_bits_remove): Add gdbarch parameter. Use it instead of current_gdbarch. * arm-tdep.c (arm_prologue_prev_register, arm_unwind_pc, arm_dwarf2_prev_register): Update calls. * m88k-tdep.c (m88k_unwind_pc): Update call. |
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Pedro Alves
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237fc4c9cd |
Implement displaced stepping.
gdb/ * gdbarch.sh (max_insn_length): New 'variable'. (displaced_step_copy, displaced_step_fixup) (displaced_step_free_closure, displaced_step_location): New functions. (struct displaced_step_closure): Add forward declaration. * gdbarch.c, gdbarch.h: Regenerated. * arch-utils.c: #include "objfiles.h". (simple_displaced_step_copy_insn) (simple_displaced_step_free_closure) (displaced_step_at_entry_point): New functions. * arch-utils.h (simple_displaced_step_copy_insn) (simple_displaced_step_free_closure) (displaced_step_at_entry_point): New prototypes. * i386-tdep.c (I386_MAX_INSN_LEN): Rename to... (I386_MAX_MATCHED_INSN_LEN): ... this. (i386_absolute_jmp_p, i386_absolute_call_p) (i386_ret_p, i386_call_p, i386_breakpoint_p, i386_syscall_p) (i386_displaced_step_fixup): New functions. (struct i386_insn, i386_match_insn): Update. (i386_gdbarch_init): Set gdbarch_max_insn_length. * i386-tdep.h (I386_MAX_INSN_LEN): New. (i386_displaced_step_fixup): New prototype. * i386-linux-tdep.c (i386_linux_init_abi): Include "arch-utils.h". Register gdbarch_displaced_step_copy, gdbarch_displaced_step_fixup, gdbarch_displaced_step_free_closure, and gdbarch_displaced_step_location functions. * infrun.c (debug_displaced): New variable. (show_debug_displaced): New function. (struct displaced_step_request): New struct. (displaced_step_request_queue, displaced_step_ptid) (displaced_step_gdbarch, displaced_step_closure) (displaced_step_original, displaced_step_copy) (displaced_step_saved_copy, can_use_displaced_stepping): New variables. (show_can_use_displaced_stepping, use_displaced_stepping) (displaced_step_clear, cleanup_displaced_step_closure) (displaced_step_dump_bytes, displaced_step_prepare) (displaced_step_clear_cleanup, write_memory_ptid) (displaced_step_fixup): New functions. (resume): Call displaced_step_prepare. (proceed): Call read_pc once, and remember the value. If using displaced stepping, don't remove breakpoints. (handle_inferior_event): Call displaced_step_fixup. Add some debugging output. When we try to step over a breakpoint, but get a signal to deliver to the thread instead, ensure the step-resume breakpoint is actually inserted. If a thread hop is needed, and displaced stepping is enabled, don't remove breakpoints. (init_wait_for_inferior): Call displaced_step_clear. (_initialize_infrun): Add "set debug displaced" command. Add "maint set can-use-displaced-stepping" command. Clear displaced_step_ptid. * inferior.h (debug_displaced): Declare variable. (displaced_step_dump_bytes): Declare function. * Makefile.in (arch-utils.o, i386-linux-tdep.o): Update dependencies. gdb/testsuite/ * gdb.asm/asmsrc1.s: Add scratch space. gdb/doc/ * gdb.texinfo (Debugging Output): Document "set/show debug displaced". (Maintenance Commands): Document "maint set/show can-use-displaced-stepping". |