Continuing work to convert the hppa targets to multiarch partil.
* hppa-tdep.c: Add some missing forward declarations.
(frameless_function_invocation): Prefix the function name
by "hppa_" to avoid polluting the namespace. Update all calls
to use the new function name.
(saved_pc_after_call): Ditto.
(init_extra_frame_info): Ditto.
(frame_chain): Ditto.
(push_dummy_frame): Ditto.
(target_read_pc): Ditto.
(target_write_pc): Ditto.
(in_solib_call_trampoline): Ditto.
(in_solib_return_trampoline): Ditto.
(skip_trampoline_code): Ditto.
(hppa_read_fp): New function, renamed from target_read_fp.
(hppa_target_read_fp): New function, using hppa_read_fp.
This function conforms to the function profile for the
READ_FP gdbarch method.
(hppa_extract_struct_value_address): New function, extracted
from the definition of the DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
macro.
(hppa_frame_num_args): New function.
(hppa_gdbarch_init): Setup the gdbarch vector for the hppa target.
* config/pa/tm-hppa.h: Wrap around all gdbarch-eligible macros
inside "#if !GDB_MULTI_ARCH ... #endif" conditional, in preparation
for the switch to multiarch partial.
Update some of the macros definitions to match some changes
described above in the name of the function they are calling.
(PUSH_DUMMY_FRAME): Add a FIXME explaining why this macro will
not be straightforward to convert. Do now wrap it inside
"#if !... #endif" to remember that this macro has still not
been taken care of.
(FIX_CALL_DUMMY): Likewise.
This commit is contained in:
Joel Brobecker
parent
60e1ff2716
commit
60383d105d
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@ -1,8 +1,46 @@
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2002-12-26 J. Brobecker <brobecker@gnat.com>
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Continuing work to convert the hppa targets to multiarch partil.
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* hppa-tdep.c: Add some missing forward declarations.
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(frameless_function_invocation): Prefix the function name
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by "hppa_" to avoid polluting the namespace. Update all calls
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to use the new function name.
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(saved_pc_after_call): Ditto.
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(init_extra_frame_info): Ditto.
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(frame_chain): Ditto.
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(push_dummy_frame): Ditto.
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(target_read_pc): Ditto.
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(target_write_pc): Ditto.
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(in_solib_call_trampoline): Ditto.
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(in_solib_return_trampoline): Ditto.
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(skip_trampoline_code): Ditto.
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(hppa_read_fp): New function, renamed from target_read_fp.
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(hppa_target_read_fp): New function, using hppa_read_fp.
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This function conforms to the function profile for the
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READ_FP gdbarch method.
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(hppa_extract_struct_value_address): New function, extracted
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from the definition of the DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
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macro.
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(hppa_frame_num_args): New function.
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(hppa_gdbarch_init): Setup the gdbarch vector for the hppa target.
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* config/pa/tm-hppa.h: Wrap around all gdbarch-eligible macros
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inside "#if !GDB_MULTI_ARCH ... #endif" conditional, in preparation
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for the switch to multiarch partial.
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Update some of the macros definitions to match some changes
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described above in the name of the function they are calling.
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(PUSH_DUMMY_FRAME): Add a FIXME explaining why this macro will
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not be straightforward to convert. Do now wrap it inside
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"#if !... #endif" to remember that this macro has still not
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been taken care of.
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(FIX_CALL_DUMMY): Likewise.
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2002-12-26 J. Brobecker <brobecker@gnat.com>
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Continuing work to convert the hppa targets to multiarch partial.
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* hppa-tdep.c: (hppa_register_raw_size): New function replacing
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* hppa-tdep.c (hppa_register_raw_size): New function replacing
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the body of macro REGISTER_RAW_SIZE.
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* hppa-hpux-tdep.c: Add new functions replacing macro bodies from
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config/pa/tm-hppah.h. These functions will be used to initialize
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@ -58,47 +58,67 @@ struct inferior_status;
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((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
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#endif
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#if !GDB_MULTI_ARCH
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extern int hppa_reg_struct_has_addr (int gcc_p, struct type *type);
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#define REG_STRUCT_HAS_ADDR(gcc_p,type) hppa_reg_struct_has_addr (gcc_p,type)
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#endif
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/* Offset from address of function to start of its code.
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Zero on most machines. */
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#if !GDB_MULTI_ARCH
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#define FUNCTION_START_OFFSET 0
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#endif
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/* Advance PC across any function entry prologue instructions
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to reach some "real" code. */
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#if !GDB_MULTI_ARCH
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extern CORE_ADDR hppa_skip_prologue (CORE_ADDR);
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#define SKIP_PROLOGUE(pc) (hppa_skip_prologue (pc))
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#endif
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/* If PC is in some function-call trampoline code, return the PC
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where the function itself actually starts. If not, return NULL. */
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#define SKIP_TRAMPOLINE_CODE(pc) skip_trampoline_code (pc, NULL)
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extern CORE_ADDR skip_trampoline_code (CORE_ADDR, char *);
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#if !GDB_MULTI_ARCH
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#define SKIP_TRAMPOLINE_CODE(pc) hppa_skip_trampoline_code (pc)
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extern CORE_ADDR hppa_skip_trampoline_code (CORE_ADDR);
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#endif
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/* Return non-zero if we are in an appropriate trampoline. */
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#if !GDB_MULTI_ARCH
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#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
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in_solib_call_trampoline (pc, name)
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extern int in_solib_call_trampoline (CORE_ADDR, char *);
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hppa_in_solib_call_trampoline (pc, name)
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extern int hppa_in_solib_call_trampoline (CORE_ADDR, char *);
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#endif
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#if !GDB_MULTI_ARCH
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#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
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in_solib_return_trampoline (pc, name)
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extern int in_solib_return_trampoline (CORE_ADDR, char *);
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hppa_in_solib_return_trampoline (pc, name)
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extern int hppa_in_solib_return_trampoline (CORE_ADDR, char *);
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#endif
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#if !GDB_MULTI_ARCH
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#undef SAVED_PC_AFTER_CALL
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#define SAVED_PC_AFTER_CALL(frame) saved_pc_after_call (frame)
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extern CORE_ADDR saved_pc_after_call (struct frame_info *);
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#define SAVED_PC_AFTER_CALL(frame) hppa_saved_pc_after_call (frame)
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extern CORE_ADDR hppa_saved_pc_after_call (struct frame_info *);
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#endif
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#if !GDB_MULTI_ARCH
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extern int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs);
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#define INNER_THAN(lhs,rhs) hppa_inner_than(lhs,rhs)
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#endif
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#if !GDB_MULTI_ARCH
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extern CORE_ADDR hppa_stack_align (CORE_ADDR sp);
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#define STACK_ALIGN(sp) hppa_stack_align (sp)
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#endif
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#if !GDB_MULTI_ARCH
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#define EXTRA_STACK_ALIGNMENT_NEEDED 0
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#endif
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/* Sequence of bytes for breakpoint instruction. */
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@ -111,7 +131,9 @@ extern CORE_ADDR hppa_stack_align (CORE_ADDR sp);
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Not on the PA-RISC */
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#if !GDB_MULTI_ARCH
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#define DECR_PC_AFTER_BREAK 0
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#endif
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extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
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#define PC_REQUIRES_RUN_BEFORE_USE(pc) hppa_pc_requires_run_before_use (pc)
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@ -120,11 +142,15 @@ extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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#if !GDB_MULTI_ARCH
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#define REGISTER_SIZE 4
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#endif
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/* Number of machine registers */
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#if !GDB_MULTI_ARCH
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#define NUM_REGS 128
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#endif
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/* Initializer for an array of names of registers.
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There should be NUM_REGS strings in this initializer.
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@ -159,9 +185,13 @@ extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
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other r registers. */
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#define FLAGS_REGNUM 0 /* Various status flags */
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#define RP_REGNUM 2 /* return pointer */
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#if !GDB_MULTI_ARCH
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#define FP_REGNUM 3 /* Contains address of executing stack */
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/* frame */
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#endif
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#if !GDB_MULTI_ARCH
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#define SP_REGNUM 30 /* Contains address of top of stack */
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#endif
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#define SAR_REGNUM 32 /* Shift Amount Register */
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#define IPSW_REGNUM 41 /* Interrupt Processor Status Word */
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#define PCOQ_HEAD_REGNUM 33 /* instruction offset queue head */
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@ -176,7 +206,9 @@ extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
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#define CCR_REGNUM 54 /* Coprocessor Configuration Register */
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#define TR0_REGNUM 57 /* Temporary Registers (cr24 -> cr31) */
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#define CR27_REGNUM 60 /* Base register for thread-local storage, cr27 */
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#if !GDB_MULTI_ARCH
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#define FP0_REGNUM 64 /* floating point reg. 0 (fspr) */
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#endif
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#define FP4_REGNUM 72
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#define ARG0_REGNUM 26 /* The first argument of a callee. */
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@ -185,8 +217,12 @@ extern int hppa_pc_requires_run_before_use (CORE_ADDR pc);
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#define ARG3_REGNUM 23 /* The fourth argument of a callee. */
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/* compatibility with the rest of gdb. */
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#if !GDB_MULTI_ARCH
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#define PC_REGNUM PCOQ_HEAD_REGNUM
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#endif
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#if !GDB_MULTI_ARCH
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#define NPC_REGNUM PCOQ_TAIL_REGNUM
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#endif
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/*
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* Processor Status Word Masks
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@ -240,42 +276,60 @@ extern int hppa_instruction_nullified (void);
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for register N. On the PA-RISC, all regs are 4 bytes, including
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the FP registers (they're accessed as two 4 byte halves). */
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#if !GDB_MULTI_ARCH
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extern int hppa_register_raw_size (int reg_nr);
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#define REGISTER_RAW_SIZE(N) hppa_register_raw_size (N)
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#endif
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/* Total amount of space needed to store our copies of the machine's
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register state, the array `registers'. */
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#if !GDB_MULTI_ARCH
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#define REGISTER_BYTES (NUM_REGS * 4)
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#endif
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#if !GDB_MULTI_ARCH
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extern int hppa_register_byte (int reg_nr);
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#define REGISTER_BYTE(N) hppa_register_byte (N)
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#endif
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/* Number of bytes of storage in the program's representation
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for register N. */
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#if !GDB_MULTI_ARCH
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#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
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#endif
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/* Largest value REGISTER_RAW_SIZE can have. */
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#if !GDB_MULTI_ARCH
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#define MAX_REGISTER_RAW_SIZE 4
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#endif
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/* Largest value REGISTER_VIRTUAL_SIZE can have. */
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#if !GDB_MULTI_ARCH
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#define MAX_REGISTER_VIRTUAL_SIZE 8
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#endif
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#if !GDB_MULTI_ARCH
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extern struct type * hppa_register_virtual_type (int reg_nr);
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#define REGISTER_VIRTUAL_TYPE(N) hppa_register_virtual_type (N)
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#endif
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#if !GDB_MULTI_ARCH
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extern void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
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#define STORE_STRUCT_RETURN(ADDR, SP) hppa_store_struct_return (ADDR, SP)
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#endif
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/* Extract from an array REGBUF containing the (raw) register state
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a function return value of type TYPE, and copy that, in virtual format,
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into VALBUF. */
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#if !GDB_MULTI_ARCH
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void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf);
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#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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hppa_extract_return_value (TYPE, REGBUF, VALBUF);
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#endif
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/* elz: decide whether the function returning a value of type type
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will put it on the stack or in the registers.
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@ -288,23 +342,25 @@ void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf);
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sr1: space identifier (32-bit)
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stack: any lager than 64-bit, with the address in r28
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*/
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#if !GDB_MULTI_ARCH
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extern use_struct_convention_fn hppa_use_struct_convention;
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#define USE_STRUCT_CONVENTION(gcc_p,type) hppa_use_struct_convention (gcc_p,type)
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#endif
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/* Write into appropriate registers a function return value
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of type TYPE, given in virtual format. */
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#if !GDB_MULTI_ARCH
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extern void hppa_store_return_value (struct type *type, char *valbuf);
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#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
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hppa_store_return_value (TYPE, VALBUF);
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#endif
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/* Extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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as a CORE_ADDR (or an expression that can be used as one). */
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#if !GDB_MULTI_ARCH
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extern CORE_ADDR hppa_extract_struct_value_address (char *regbuf);
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#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
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(*(int *)((REGBUF) + REGISTER_BYTE (28)))
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hppa_extract_struct_value_address (REGBUF)
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#endif
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/* elz: Return a large value, which is stored on the stack at addr.
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This is defined only for the hppa, at this moment. The above macro
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@ -321,11 +377,15 @@ struct value *hppa_value_returned_from_stack (register struct type *valtype,
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#define VALUE_RETURNED_FROM_STACK(valtype,addr) \
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hppa_value_returned_from_stack (valtype, addr)
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#if !GDB_MULTI_ARCH
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extern int hppa_cannot_store_register (int regnum);
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#define CANNOT_STORE_REGISTER(regno) hppa_cannot_store_register (regno)
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#endif
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#define INIT_EXTRA_FRAME_INFO(fromleaf, frame) init_extra_frame_info (fromleaf, frame)
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extern void init_extra_frame_info (int, struct frame_info *);
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#if !GDB_MULTI_ARCH
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#define INIT_EXTRA_FRAME_INFO(fromleaf, frame) hppa_init_extra_frame_info (fromleaf, frame)
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extern void hppa_init_extra_frame_info (int, struct frame_info *);
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#endif
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/* Describe the pointer in each stack frame to the previous stack frame
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(its caller). */
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@ -337,40 +397,50 @@ extern void init_extra_frame_info (int, struct frame_info *);
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is the address of a 4-byte word containing the calling frame's
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address (previous FP). */
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#define FRAME_CHAIN(thisframe) frame_chain (thisframe)
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extern CORE_ADDR frame_chain (struct frame_info *);
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#if !GDB_MULTI_ARCH
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#define FRAME_CHAIN(thisframe) hppa_frame_chain (thisframe)
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extern CORE_ADDR hppa_frame_chain (struct frame_info *);
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#endif
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#if !GDB_MULTI_ARCH
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extern int hppa_frame_chain_valid (CORE_ADDR, struct frame_info *);
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#define FRAME_CHAIN_VALID(chain, thisframe) hppa_frame_chain_valid (chain, thisframe)
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#endif
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/* Define other aspects of the stack frame. */
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/* A macro that tells us whether the function invocation represented
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by FI does not have a frame on the stack associated with it. If it
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does not, FRAMELESS is set to 1, else 0. */
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#if !GDB_MULTI_ARCH
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#define FRAMELESS_FUNCTION_INVOCATION(FI) \
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(frameless_function_invocation (FI))
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extern int frameless_function_invocation (struct frame_info *);
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(hppa_frameless_function_invocation (FI))
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extern int hppa_frameless_function_invocation (struct frame_info *);
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#endif
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#if !GDB_MULTI_ARCH
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extern CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame);
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#define FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME)
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#endif
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#if !GDB_MULTI_ARCH
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extern CORE_ADDR hppa_frame_args_address (struct frame_info *fi);
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#define FRAME_ARGS_ADDRESS(fi) hppa_frame_args_address (fi)
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#endif
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#if !GDB_MULTI_ARCH
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extern CORE_ADDR hppa_frame_locals_address (struct frame_info *fi);
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#define FRAME_LOCALS_ADDRESS(fi) hppa_frame_locals_address (fi)
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#endif
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/* Set VAL to the number of args passed to frame described by FI.
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Can set VAL to -1, meaning no way to tell. */
|
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/* We can't tell how many args there are
|
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now that the C compiler delays popping them. */
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||||
#define FRAME_NUM_ARGS(fi) (-1)
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||||
/* Return number of bytes at start of arglist that are not really args. */
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#if !GDB_MULTI_ARCH
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extern int hppa_frame_num_args (struct frame_info *frame);
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#define FRAME_NUM_ARGS(fi) hppa_frame_num_args (fi)
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#endif
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#if !GDB_MULTI_ARCH
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#define FRAME_ARGS_SKIP 0
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#endif
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#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
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hppa_frame_find_saved_regs (frame_info, &frame_saved_regs)
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|
|
@ -382,13 +452,20 @@ hppa_frame_find_saved_regs (struct frame_info *, struct frame_saved_regs *);
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|||
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/* Push an empty stack frame, to record the current PC, etc. */
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||||
#define PUSH_DUMMY_FRAME push_dummy_frame (inf_status)
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extern void push_dummy_frame (struct inferior_status *);
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||||
/* FIXME: brobecker 2002-12-26. This macro definition takes advantage
|
||||
of the fact that PUSH_DUMMY_FRAME is called within a function where
|
||||
a variable inf_status of type struct inferior_status * is defined.
|
||||
Ugh! Until this is fixed, we will not be able to move to multiarch
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partial. */
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#define PUSH_DUMMY_FRAME hppa_push_dummy_frame (inf_status)
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extern void hppa_push_dummy_frame (struct inferior_status *);
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/* Discard from the stack the innermost frame,
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restoring all saved registers. */
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#if !GDB_MULTI_ARCH
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#define POP_FRAME hppa_pop_frame ()
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extern void hppa_pop_frame (void);
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#endif
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||||
#define INSTRUCTION_SIZE 4
|
||||
|
||||
|
|
@ -475,11 +552,16 @@ extern void hppa_pop_frame (void);
|
|||
0xe6c00002, 0xe4202000, 0x6bdf3fd1, 0x00010004,\
|
||||
0x00151820, 0xe6c00002, 0x08000240, 0x08000240}
|
||||
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 28)
|
||||
#endif
|
||||
#define REG_PARM_STACK_SPACE 16
|
||||
|
||||
#else /* defined PA_LEVEL_0 */
|
||||
|
||||
/* FIXME: brobecker 2002-12-26. PA_LEVEL_0 is only defined for the
|
||||
hppa-pro target, which should be obsoleted soon. The following
|
||||
section will therefore not be included in the multiarch conversion. */
|
||||
/* This is the call dummy for a level 0 PA. Level 0's don't have space
|
||||
registers (or floating point?), so we skip all that inter-space call stuff,
|
||||
and avoid touching the fp regs.
|
||||
|
|
@ -510,9 +592,11 @@ extern void hppa_pop_frame (void);
|
|||
|
||||
#define CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 12)
|
||||
|
||||
#endif
|
||||
#endif /* defined PA_LEVEL_0 */
|
||||
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define CALL_DUMMY_START_OFFSET 0
|
||||
#endif
|
||||
|
||||
/* If we've reached a trap instruction within the call dummy, then
|
||||
we'll consider that to mean that we've reached the call dummy's
|
||||
|
|
@ -531,23 +615,31 @@ extern void hppa_pop_frame (void);
|
|||
* inferior to do the function call.
|
||||
*/
|
||||
|
||||
/* FIXME: brobecker 2002-12-26. This macro is going to cause us some
|
||||
problems before we can go to multiarch partial as it has been diverted
|
||||
on HPUX to return the value of the PC! */
|
||||
#define FIX_CALL_DUMMY hppa_fix_call_dummy
|
||||
extern CORE_ADDR hppa_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
|
||||
struct value **, struct type *, int);
|
||||
|
||||
extern CORE_ADDR
|
||||
hppa_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, int,
|
||||
struct value **, struct type *, int);
|
||||
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
|
||||
(hppa_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
|
||||
extern CORE_ADDR
|
||||
hppa_push_arguments (int, struct value **, CORE_ADDR, int, CORE_ADDR);
|
||||
#endif
|
||||
|
||||
|
||||
#if !GDB_MULTI_ARCH
|
||||
extern CORE_ADDR hppa_smash_text_address (CORE_ADDR addr);
|
||||
#define SMASH_TEXT_ADDRESS(addr) hppa_smash_text_address (addr)
|
||||
#endif
|
||||
|
||||
#define GDB_TARGET_IS_HPPA
|
||||
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define BELIEVE_PCC_PROMOTION 1
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Unwind table and descriptor.
|
||||
|
|
@ -674,19 +766,24 @@ extern CORE_ADDR target_read_pc (int);
|
|||
extern CORE_ADDR skip_trampoline_code (CORE_ADDR, char *);
|
||||
#endif
|
||||
|
||||
#define TARGET_READ_PC(pid) target_read_pc (pid)
|
||||
extern CORE_ADDR target_read_pc (ptid_t);
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define TARGET_READ_PC(pid) hppa_target_read_pc (pid)
|
||||
extern CORE_ADDR hppa_target_read_pc (ptid_t);
|
||||
#endif
|
||||
|
||||
#define TARGET_WRITE_PC(v,pid) target_write_pc (v,pid)
|
||||
extern void target_write_pc (CORE_ADDR, ptid_t);
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define TARGET_WRITE_PC(v,pid) hppa_target_write_pc (v,pid)
|
||||
extern void hppa_target_write_pc (CORE_ADDR, ptid_t);
|
||||
#endif
|
||||
|
||||
#define TARGET_READ_FP() target_read_fp (PIDGET (inferior_ptid))
|
||||
extern CORE_ADDR target_read_fp (int);
|
||||
#if !GDB_MULTI_ARCH
|
||||
#define TARGET_READ_FP() hppa_target_read_fp ()
|
||||
extern CORE_ADDR hppa_target_read_fp (void);
|
||||
#endif
|
||||
|
||||
/* For a number of horrible reasons we may have to adjust the location
|
||||
of variables on the stack. Ugh. */
|
||||
#define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR)
|
||||
|
||||
extern int hpread_adjust_stack_address (CORE_ADDR);
|
||||
|
||||
/* If the current gcc for for this target does not produce correct debugging
|
||||
|
|
@ -694,10 +791,12 @@ extern int hpread_adjust_stack_address (CORE_ADDR);
|
|||
define this macro. This forces gdb to always assume that floats are
|
||||
passed as doubles and then converted in the callee. */
|
||||
|
||||
#if !GDB_MULTI_ARCH
|
||||
extern int hppa_coerce_float_to_double (struct type *formal,
|
||||
struct type *actual);
|
||||
#define COERCE_FLOAT_TO_DOUBLE(formal, actual) \
|
||||
hppa_coerce_float_to_double (formal, actual)
|
||||
#endif
|
||||
|
||||
/* Here's how to step off a permanent breakpoint. */
|
||||
#define SKIP_PERMANENT_BREAKPOINT (hppa_skip_permanent_breakpoint)
|
||||
|
|
|
|||
145
gdb/hppa-tdep.c
145
gdb/hppa-tdep.c
|
|
@ -63,6 +63,9 @@
|
|||
#include "symfile.h"
|
||||
#include "objfiles.h"
|
||||
|
||||
/* Some local constants. */
|
||||
static const int hppa_num_regs = 128;
|
||||
|
||||
/* To support detection of the pseudo-initial frame
|
||||
that threads have. */
|
||||
#define THREAD_INITIAL_FRAME_SYMBOL "__pthread_exit"
|
||||
|
|
@ -135,6 +138,11 @@ static void record_text_segment_lowaddr (bfd *, asection *, void *);
|
|||
/* FIXME: brobecker 2002-11-07: We will likely be able to make the
|
||||
following functions static, once we hppa is partially multiarched. */
|
||||
int hppa_reg_struct_has_addr (int gcc_p, struct type *type);
|
||||
CORE_ADDR hppa_skip_prologue (CORE_ADDR pc);
|
||||
CORE_ADDR hppa_skip_trampoline_code (CORE_ADDR pc);
|
||||
int hppa_in_solib_call_trampoline (CORE_ADDR pc, char *name);
|
||||
int hppa_in_solib_return_trampoline (CORE_ADDR pc, char *name);
|
||||
CORE_ADDR hppa_saved_pc_after_call (struct frame_info *frame);
|
||||
int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs);
|
||||
CORE_ADDR hppa_stack_align (CORE_ADDR sp);
|
||||
int hppa_pc_requires_run_before_use (CORE_ADDR pc);
|
||||
|
|
@ -143,10 +151,30 @@ int hppa_register_raw_size (int reg_nr);
|
|||
int hppa_register_byte (int reg_nr);
|
||||
struct type * hppa_register_virtual_type (int reg_nr);
|
||||
void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
|
||||
void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf);
|
||||
int hppa_use_struct_convention (int gcc_p, struct type *type);
|
||||
void hppa_store_return_value (struct type *type, char *valbuf);
|
||||
CORE_ADDR hppa_extract_struct_value_address (char *regbuf);
|
||||
int hppa_cannot_store_register (int regnum);
|
||||
void hppa_init_extra_frame_info (int fromleaf, struct frame_info *frame);
|
||||
CORE_ADDR hppa_frame_chain (struct frame_info *frame);
|
||||
int hppa_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe);
|
||||
int hppa_frameless_function_invocation (struct frame_info *frame);
|
||||
CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame);
|
||||
CORE_ADDR hppa_frame_args_address (struct frame_info *fi);
|
||||
CORE_ADDR hppa_frame_locals_address (struct frame_info *fi);
|
||||
int hppa_frame_num_args (struct frame_info *frame);
|
||||
void hppa_push_dummy_frame (struct inferior_status *inf_status);
|
||||
void hppa_pop_frame (void);
|
||||
CORE_ADDR hppa_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun,
|
||||
int nargs, struct value **args,
|
||||
struct type *type, int gcc_p);
|
||||
CORE_ADDR hppa_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
|
||||
int struct_return, CORE_ADDR struct_addr);
|
||||
CORE_ADDR hppa_smash_text_address (CORE_ADDR addr);
|
||||
CORE_ADDR hppa_target_read_pc (ptid_t ptid);
|
||||
void hppa_target_write_pc (CORE_ADDR v, ptid_t ptid);
|
||||
CORE_ADDR hppa_target_read_fp (void);
|
||||
int hppa_coerce_float_to_double (struct type *formal, struct type *actual);
|
||||
|
||||
typedef struct
|
||||
|
|
@ -817,7 +845,7 @@ rp_saved (CORE_ADDR pc)
|
|||
}
|
||||
|
||||
int
|
||||
frameless_function_invocation (struct frame_info *frame)
|
||||
hppa_frameless_function_invocation (struct frame_info *frame)
|
||||
{
|
||||
struct unwind_table_entry *u;
|
||||
|
||||
|
|
@ -835,7 +863,7 @@ frameless_function_invocation (struct frame_info *frame)
|
|||
some instructions. */
|
||||
|
||||
CORE_ADDR
|
||||
saved_pc_after_call (struct frame_info *frame)
|
||||
hppa_saved_pc_after_call (struct frame_info *frame)
|
||||
{
|
||||
int ret_regnum;
|
||||
CORE_ADDR pc;
|
||||
|
|
@ -901,7 +929,7 @@ hppa_frame_saved_pc (struct frame_info *frame)
|
|||
}
|
||||
#endif
|
||||
|
||||
if (frameless_function_invocation (frame))
|
||||
if (hppa_frameless_function_invocation (frame))
|
||||
{
|
||||
int ret_regnum;
|
||||
|
||||
|
|
@ -1033,7 +1061,7 @@ hppa_frame_saved_pc (struct frame_info *frame)
|
|||
in a system call. */
|
||||
|
||||
void
|
||||
init_extra_frame_info (int fromleaf, struct frame_info *frame)
|
||||
hppa_init_extra_frame_info (int fromleaf, struct frame_info *frame)
|
||||
{
|
||||
int flags;
|
||||
int framesize;
|
||||
|
|
@ -1091,7 +1119,7 @@ init_extra_frame_info (int fromleaf, struct frame_info *frame)
|
|||
a frame pointer calls code without a frame pointer. */
|
||||
|
||||
CORE_ADDR
|
||||
frame_chain (struct frame_info *frame)
|
||||
hppa_frame_chain (struct frame_info *frame)
|
||||
{
|
||||
int my_framesize, caller_framesize;
|
||||
struct unwind_table_entry *u;
|
||||
|
|
@ -1408,7 +1436,7 @@ hppa_frame_chain_valid (CORE_ADDR chain, struct frame_info *thisframe)
|
|||
to be aligned to a 64-byte boundary. */
|
||||
|
||||
void
|
||||
push_dummy_frame (struct inferior_status *inf_status)
|
||||
hppa_push_dummy_frame (struct inferior_status *inf_status)
|
||||
{
|
||||
CORE_ADDR sp, pc, pcspace;
|
||||
register int regnum;
|
||||
|
|
@ -1424,7 +1452,7 @@ push_dummy_frame (struct inferior_status *inf_status)
|
|||
We also need a number of horrid hacks to deal with lossage in the
|
||||
PC queue registers (apparently they're not valid when the in syscall
|
||||
bit is set). */
|
||||
pc = target_read_pc (inferior_ptid);
|
||||
pc = hppa_target_read_pc (inferior_ptid);
|
||||
int_buffer = read_register (FLAGS_REGNUM);
|
||||
if (int_buffer & 0x2)
|
||||
{
|
||||
|
|
@ -2401,7 +2429,7 @@ hppa_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
|
|||
if (flags & 2)
|
||||
return pc;
|
||||
#ifndef GDB_TARGET_IS_PA_ELF
|
||||
else if (som_solib_get_got_by_pc (target_read_pc (inferior_ptid)))
|
||||
else if (som_solib_get_got_by_pc (hppa_target_read_pc (inferior_ptid)))
|
||||
return pc;
|
||||
#endif
|
||||
else
|
||||
|
|
@ -2409,14 +2437,12 @@ hppa_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
|
|||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/* If the pid is in a syscall, then the FP register is not readable.
|
||||
We'll return zero in that case, rather than attempting to read it
|
||||
and cause a warning. */
|
||||
|
||||
CORE_ADDR
|
||||
target_read_fp (int pid)
|
||||
hppa_read_fp (int pid)
|
||||
{
|
||||
int flags = read_register (FLAGS_REGNUM);
|
||||
|
||||
|
|
@ -2430,12 +2456,17 @@ target_read_fp (int pid)
|
|||
return read_register (FP_REGNUM);
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
hppa_target_read_fp (void)
|
||||
{
|
||||
return hppa_read_fp (PIDGET (inferior_ptid));
|
||||
}
|
||||
|
||||
/* Get the PC from %r31 if currently in a syscall. Also mask out privilege
|
||||
bits. */
|
||||
|
||||
CORE_ADDR
|
||||
target_read_pc (ptid_t ptid)
|
||||
hppa_target_read_pc (ptid_t ptid)
|
||||
{
|
||||
int flags = read_register_pid (FLAGS_REGNUM, ptid);
|
||||
|
||||
|
|
@ -2452,7 +2483,7 @@ target_read_pc (ptid_t ptid)
|
|||
PC value into %r31. */
|
||||
|
||||
void
|
||||
target_write_pc (CORE_ADDR v, ptid_t ptid)
|
||||
hppa_target_write_pc (CORE_ADDR v, ptid_t ptid)
|
||||
{
|
||||
int flags = read_register_pid (FLAGS_REGNUM, ptid);
|
||||
|
||||
|
|
@ -2890,7 +2921,7 @@ pa_strcat_fp_reg (int i, struct ui_file *stream, enum precision_type precision)
|
|||
just shared library trampolines (import, export). */
|
||||
|
||||
int
|
||||
in_solib_call_trampoline (CORE_ADDR pc, char *name)
|
||||
hppa_in_solib_call_trampoline (CORE_ADDR pc, char *name)
|
||||
{
|
||||
struct minimal_symbol *minsym;
|
||||
struct unwind_table_entry *u;
|
||||
|
|
@ -3050,7 +3081,7 @@ in_solib_call_trampoline (CORE_ADDR pc, char *name)
|
|||
just shared library trampolines (import, export). */
|
||||
|
||||
int
|
||||
in_solib_return_trampoline (CORE_ADDR pc, char *name)
|
||||
hppa_in_solib_return_trampoline (CORE_ADDR pc, char *name)
|
||||
{
|
||||
struct unwind_table_entry *u;
|
||||
|
||||
|
|
@ -3123,7 +3154,7 @@ in_solib_return_trampoline (CORE_ADDR pc, char *name)
|
|||
used in dynamic executables. */
|
||||
|
||||
CORE_ADDR
|
||||
skip_trampoline_code (CORE_ADDR pc, char *name)
|
||||
hppa_skip_trampoline_code (CORE_ADDR pc)
|
||||
{
|
||||
long orig_pc = pc;
|
||||
long prev_inst, curr_inst, loc;
|
||||
|
|
@ -4850,6 +4881,21 @@ hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
|
|||
write_register (28, addr);
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
hppa_extract_struct_value_address (char *regbuf)
|
||||
{
|
||||
/* Extract from an array REGBUF containing the (raw) register state
|
||||
the address in which a function should return its structure value,
|
||||
as a CORE_ADDR (or an expression that can be used as one). */
|
||||
/* FIXME: brobecker 2002-12-26.
|
||||
The current implementation is historical, but we should eventually
|
||||
implement it in a more robust manner as it relies on the fact that
|
||||
the address size is equal to the size of an int* _on the host_...
|
||||
One possible implementation that crossed my mind is to use
|
||||
extract_address. */
|
||||
return (*(int *)(regbuf + REGISTER_BYTE (28)));
|
||||
}
|
||||
|
||||
/* Return True if REGNUM is not a register available to the user
|
||||
through ptrace(). */
|
||||
|
||||
|
|
@ -4875,6 +4921,14 @@ hppa_frame_locals_address (struct frame_info *fi)
|
|||
return fi->frame;
|
||||
}
|
||||
|
||||
int
|
||||
hppa_frame_num_args (struct frame_info *frame)
|
||||
{
|
||||
/* We can't tell how many args there are now that the C compiler delays
|
||||
popping them. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
hppa_smash_text_address (CORE_ADDR addr)
|
||||
{
|
||||
|
|
@ -4931,6 +4985,63 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
|||
/* Hook in ABI-specific overrides, if they have been registered. */
|
||||
gdbarch_init_osabi (info, gdbarch, osabi);
|
||||
|
||||
set_gdbarch_reg_struct_has_addr (gdbarch, hppa_reg_struct_has_addr);
|
||||
set_gdbarch_function_start_offset (gdbarch, 0);
|
||||
set_gdbarch_skip_prologue (gdbarch, hppa_skip_prologue);
|
||||
set_gdbarch_skip_trampoline_code (gdbarch, hppa_skip_trampoline_code);
|
||||
set_gdbarch_in_solib_call_trampoline (gdbarch, hppa_in_solib_call_trampoline);
|
||||
set_gdbarch_in_solib_return_trampoline (gdbarch,
|
||||
hppa_in_solib_return_trampoline);
|
||||
set_gdbarch_saved_pc_after_call (gdbarch, hppa_saved_pc_after_call);
|
||||
set_gdbarch_inner_than (gdbarch, hppa_inner_than);
|
||||
set_gdbarch_stack_align (gdbarch, hppa_stack_align);
|
||||
set_gdbarch_extra_stack_alignment_needed (gdbarch, 0);
|
||||
set_gdbarch_decr_pc_after_break (gdbarch, 0);
|
||||
set_gdbarch_register_size (gdbarch, 4);
|
||||
set_gdbarch_num_regs (gdbarch, hppa_num_regs);
|
||||
set_gdbarch_fp_regnum (gdbarch, 3);
|
||||
set_gdbarch_sp_regnum (gdbarch, 30);
|
||||
set_gdbarch_fp0_regnum (gdbarch, 64);
|
||||
set_gdbarch_pc_regnum (gdbarch, PCOQ_HEAD_REGNUM);
|
||||
set_gdbarch_npc_regnum (gdbarch, PCOQ_TAIL_REGNUM);
|
||||
set_gdbarch_register_raw_size (gdbarch, hppa_register_raw_size);
|
||||
set_gdbarch_register_bytes (gdbarch, hppa_num_regs * 4);
|
||||
set_gdbarch_register_byte (gdbarch, hppa_register_byte);
|
||||
set_gdbarch_register_virtual_size (gdbarch, hppa_register_raw_size);
|
||||
set_gdbarch_max_register_raw_size (gdbarch, 4);
|
||||
set_gdbarch_max_register_virtual_size (gdbarch, 8);
|
||||
set_gdbarch_register_virtual_type (gdbarch, hppa_register_virtual_type);
|
||||
set_gdbarch_store_struct_return (gdbarch, hppa_store_struct_return);
|
||||
set_gdbarch_deprecated_extract_return_value (gdbarch,
|
||||
hppa_extract_return_value);
|
||||
set_gdbarch_use_struct_convention (gdbarch, hppa_use_struct_convention);
|
||||
set_gdbarch_deprecated_store_return_value (gdbarch, hppa_store_return_value);
|
||||
set_gdbarch_deprecated_extract_struct_value_address
|
||||
(gdbarch, hppa_extract_struct_value_address);
|
||||
set_gdbarch_cannot_store_register (gdbarch, hppa_cannot_store_register);
|
||||
set_gdbarch_init_extra_frame_info (gdbarch, hppa_init_extra_frame_info);
|
||||
set_gdbarch_frame_chain (gdbarch, hppa_frame_chain);
|
||||
set_gdbarch_frame_chain_valid (gdbarch, hppa_frame_chain_valid);
|
||||
set_gdbarch_frameless_function_invocation
|
||||
(gdbarch, hppa_frameless_function_invocation);
|
||||
set_gdbarch_frame_saved_pc (gdbarch, hppa_frame_saved_pc);
|
||||
set_gdbarch_frame_args_address (gdbarch, hppa_frame_args_address);
|
||||
set_gdbarch_frame_locals_address (gdbarch, hppa_frame_locals_address);
|
||||
set_gdbarch_frame_num_args (gdbarch, hppa_frame_num_args);
|
||||
set_gdbarch_frame_args_skip (gdbarch, 0);
|
||||
/* set_gdbarch_push_dummy_frame (gdbarch, hppa_push_dummy_frame); */
|
||||
set_gdbarch_pop_frame (gdbarch, hppa_pop_frame);
|
||||
set_gdbarch_call_dummy_length (gdbarch, INSTRUCTION_SIZE * 28);
|
||||
set_gdbarch_call_dummy_start_offset (gdbarch, 0);
|
||||
/* set_gdbarch_fix_call_dummy (gdbarch, hppa_fix_call_dummy); */
|
||||
set_gdbarch_push_arguments (gdbarch, hppa_push_arguments);
|
||||
set_gdbarch_smash_text_address (gdbarch, hppa_smash_text_address);
|
||||
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
|
||||
set_gdbarch_read_pc (gdbarch, hppa_target_read_pc);
|
||||
set_gdbarch_write_pc (gdbarch, hppa_target_write_pc);
|
||||
set_gdbarch_read_fp (gdbarch, hppa_target_read_fp);
|
||||
set_gdbarch_coerce_float_to_double (gdbarch, hppa_coerce_float_to_double);
|
||||
|
||||
return gdbarch;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue