Commit Graph

16 Commits

Author SHA1 Message Date
Mark Kettenis 852483bc79 * dwarf2expr.h: Tweak comment.
(struct dwarf_expr_context): Use `gdb_byte *' in read_mem and
get_frame_base function pointers.
(read_uleb128, read_sleb128): Change return type and types of
first two arguments to `gdb_byte *'.
(dwarf2_read_address): Change types of first two arguments to
`gdb_byte *'.
* dwarf2expr.c: Tweak comment.
(dwarf_expr_eval): Change type of second argument to `gdb_byte *'.
(read_uleb128, read_sleb128): Change return type and types of
first two arguments to `gdb_byte *'.
(dwarf2_read_address): Change types of first two arguments to
`gdb_byte *'.
(execute_stack_op): Change types of last two arguments to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.
* dwarf2loc.h: Tweak comment.
(struct dwarf2_locexpr_baton, struct dwarf2_loclist_baton): Use
`gdb_byte *' for byte buffers.
* dwarf2loc.c (find_location_expression): Change return type to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.  Change length
to `unsigned int'.
(dwarf_expr_read_reg): Use `gdb_byte *' for byte buffer.  Remove
bogus cast.
(dwarf_expr_read_mem): Change type of second argument to
`gdb_byte *'.
(dwarf_expr_frame_base): Change type of second argument to
`gdb_byte **'.
(dwarf2_evaluate_loc_desc): Change type of third argument to
`gdb_byte *'.
(needs_frame_read_mem): Change type of second argument to
`gdb_byte *'.
(needs_frame_frame_base): Change type of second argument
`gdb_byte **'.  Use gdb_byte for lit0.
(dwarf2_tracepoint_var_ref): Change type of fourth argument to
`gdb_byte *'.  Use `gdb_byte *' for byte buffer.
(loclist_read_variable, loclist_tracepoint_var_ref): Use `gdb_byte
*' for byte buffer.
* dwarf2-frame.c (struct dwarf2_cie, struct dwarf2_fde)
(struct dwarf2_frame_state): Use gdb_byte instead of `unsigned
char'.
(read_reg): Use `gdb_byte *' for byte buffers.  Remove redundant
cast.
(read_mem): Change second argument to `gdb_byte *'.
(no_get_frame_base): Change second argument to `gdb_byte **'.
(execute_stack_op): Change first argument to `gdb_byte *'.
(execute_cfa_program): Change first two arguments to `gdb_byte *'.
Use gdb_byte instead of `unsigned int'.  Use temprorary variable
to store result of read_uleb128.
(struct comp_unit): Use `gdb_byte *' for byte buffers.
(read_1_byte, read_4_bytes, read_8_bytes): Change last argument to
`gdb_byte *'.
(read_unsigned_leb128, read_signed_leb128): Change second argument
to `gdb_byte *'.  Use gdb_byte instead of `unsigned char'.
(read_initial_length): Change second argument to `gdb_byte *'.
Remove redundant casts.
(read_encoded_value): Use gdb_byte instead of `unsigned char'.
Remove bogus casts.
(decode_frame_entry_1): Change return type and second argument to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.  Use gdb_byte
instead of `unsigned char'.
(decode_frame_entry): Change return type and second argument to
`gdb_byte *'.  Use `gdb_byte *' for byte buffers.
(dwarf2_build_frame_info): Use `gdb_byte *' for byte buffers.
2005-07-12 13:06:54 +00:00
Andrew Cagney e2e0b3e57f 2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
	internal_error.
	* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
	* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
	* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
	* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
	* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
	* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
	* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
	* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
	* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
	* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
	* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
	* interps.c, language.c, linespec.c, linux-nat.c: Update.
	* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
	* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
	* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
	* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
	* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
	* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
	* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
	* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
	* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
	* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
	* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
	* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
	* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
	* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
	* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
	* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
	* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
	* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
	* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
	* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
	* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
	* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 18:13:55 +00:00
Andrew Cagney 8a3fe4f86c 2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
	* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
	* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
	* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
	* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
	* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
	* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
	* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
	* event-top.c, exec.c, expprint.c, f-lang.c: Update.
	* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
	* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
	* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
	* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
	* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
	* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
	* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
	* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
	* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
	* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
	* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
	* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
	* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
	* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
	* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
	* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
	* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
	* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
	* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
	* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
	* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
	* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
	* remote-rdp.c, remote-sim.c, remote-st.c: Update.
	* remote-utils.c, remote-utils.h, remote.c: Update.
	* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
	* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
	* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
	* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
	* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
	* somread.c, somsolib.c, source.c, stabsread.c: Update.
	* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
	* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
	* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
	* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
	* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
	* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
	* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
	* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
	* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
	* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
	* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
	* tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
Jim Blandy 87808bd699 * dwarf2expr.h (struct dwarf_expr_context): New members
'num_pieces' and 'pieces', for returning the result of an
expression that uses DW_OP_piece.
(struct dwarf_expr_piece): New struct type.
* dwarf2expr.c (new_dwarf_expr_context): Initialize num_pieces and
pieces.
(free_dwarf_expr_context): Free pieces, if any.
(add_piece): New function.
(execute_stack_op): Implement DW_OP_piece.
* dwarf2loc.c (dwarf2_evaluate_loc_desc): If the result of the
expression is a list of pieces, print an error message.
(dwarf2_loc_desc_needs_frame): If the expression yields
pieces, and any piece is in a register, then we need a frame.
2004-08-24 21:01:49 +00:00
Jim Blandy 99c87dab95 * dwarf2expr.c (execute_stack_op): Add 'break' statements after
cases for DW_OP_div and DW_OP_shr.  (Thanks to Reva Cuthbertson.)
2004-05-21 07:50:03 +00:00
Daniel Jacobowitz b263358a72 Suggested by George Anzinger.
* dwarf2expr.c (execute_stack_op): Fetch the second item from the
	correct stack offset.  Include unknown opcode numbers in the error
	message.
2004-01-17 23:09:29 +00:00
Daniel Jacobowitz bbab2f465b * dwarf2expr.c (execute_stack_op): Don't treat the frame base as
a memory pointer.
2003-10-09 14:11:58 +00:00
Elena Zannoni c3228f1238 2003-07-22 Elena Zannoni <ezannoni@redhat.com>
* findvar.c (read_var_value): Remove case for thread local storage
	variables.  It is now entirely handled by the dwarf2 location
	expression code.
	* printcmd.c (address_info): Ditto.
	* symtab.h (address_class): Remove LOC_THREAD_LOCAL_STATIC
	enumeration value.
	(struct symbol): Remove objfile field, which was used by
	LOC_THREAD_LOCAL_STATIC only.
	* dwarf2read.c (decode_locdesc): Remove is_thread_local variable.
	* dwarf2loc.h (struct dwarf2_loclist_baton): Add comment about
	usage of objfile pointer.
	* dwarf2loc.c (locexpr_describe_location): Add case to handle
	thread local variables.
	Add include of objfiles.h.
	* dwarf2expr.c (execute_stack_op): Add comments about thread local
	storage variables.
	* Makefile.in (dwarf2loc.o): Update dependencies.
2003-07-22 15:41:59 +00:00
Andrew Cagney af1342ab7f 2003-05-22 Andrew Cagney <cagney@redhat.com>
* stack.c (frame_info): Inline extract_address, replacing it with
	extract_unsigned_integer.
	* findvar.c (unsigned_pointer_to_address): Ditto.
	* dwarf2loc.c (dwarf_expr_read_reg): Ditto.
	* dwarf2expr.c (dwarf2_read_address): Ditto.
	* frame.c (frame_pc_unwind): Update comment.
	* dummy-frame.c (deprecated_read_register_dummy): Update comment.
2003-05-22 18:37:05 +00:00
Kevin Buettner 18ec983167 * dwarf2expr.c (new_dwarf_expr_context): Set ``stack_len'' to
correctly indicate an empty stack and ``stack_allocated'' to the
	indicate the number of elements initially allocated.
	(dwarf_expr_grow_stack): Simplify method for computing new
	stack size.  Don't loop infinitely if ``stack_len'' is zero.
	(execute_stack_op): Move ``ctx->in_reg'' initialization
	out of loop.  Allow DW_OP_reg0 ... DW_OP_reg31 and DW_OP_regx to
	be used in conjuction with DW_OP_piece.  Revise error message
	accordingly.
2003-05-14 22:45:41 +00:00
Daniel Jacobowitz 61fbb938d6 * dwarf2expr.h (struct dwarf_expr_context): Remove extra arguments
to read_reg and update its comment.  Remove regnum member.
	* dwarf2expr.c (execute_stack_op): Remove memaddr and expr_lval.
	Don't call read_reg when setting in_reg.  Call read_reg to get
	the frame base if it's in a register.  Return the register number
	on the stack instead of in the context.  Remove extra arguments
	to read_reg.
	* dwarf2loc.c (dwarf_expr_read_reg): Remove extra arguments.
	(dwarf2_evaluate_loc_desc): Call value_from_register.  Expect
	the register number on the expression stack.
	(needs_frame_read_reg): Remove extra arguments.
2003-04-13 15:53:44 +00:00
Daniel Jacobowitz 0d53c4c49f 2003-04-13 Daniel Jacobowitz <drow@mvista.com>
* dwarf2expr.c (dwarf2_read_address): Renamed from read_address;
	made non-static.
	(execute_stack_op): All callers updated.
	* dwarf2expr.h: Add prototype for dwarf2_read_address.
	* dwarf2loc.c (find_location_expression): New function.
	(dwarf_expr_frame_base): Call it.
	(dwarf2_evaluate_loc_desc): Handle 0-length location expressions.
	(dwarf2_tracepoint_var_ref): New function, broken out from
	locexpr_tracepoint_var_ref.
	(locexpr_tracepoint_var_ref): Call dwarf2_tracepoint_var_ref.
	Make static.
	(loclist_read_variable, loclist_read_needs_frame): New functions.
	(loclist_describe_location, loclist_tracepoint_var_ref): New
	functions.
	(dwarf2_loclist_funcs): New struct location_funcs.
	* dwarf2loc.h (struct dwarf2_loclist_baton): New type.
	(struct dwarf2_locexpr_baton): Add comments.
	(dwarf2_loclist_funcs): New extern.
	* dwarf2read.c (struct comp_unit_head): Remove DIE member, add
	base_address and base_known.
	(dwarf_loc_buffer): New variable.
	(struct dwarf2_pinfo): Add dwarf_loc_buffer and dwarf_loc_size.
	(DWARF_LOC_BUFFER, DWARF_LOC_SIZE): New macros.
	(dwarf2_has_info): Initialize dwarf_loc_offset.
	(dwarf2_build_psymtabs): Read in .debug_loc.
	(dwarf2_build_psymtabs_hard): Use DWARF_LOC_BUFFER and
	DWARF_LOC_SIZE.
	(psymtab_to_symtab_1): Likewise.  Move base address calculation
	here, from...
	(dwarf2_get_pc_bounds): ... here.  Use the base address from
	cu_header.
	(dwarf2_symbol_mark_computed): Handle location lists.
2003-04-13 15:43:35 +00:00
Andrew Cagney da62e63311 2003-04-01 Andrew Cagney <cagney@redhat.com>
Add frame debug info addresses:
	* frame-base.c: New file.
	* frame-base.h: New file.
	* frame.h (struct frame_base): Add opaque declaration.
	(get_frame_base): Update comment.
	(get_frame_base_address): Declare.
	(get_frame_locals_address): Declare.
	(get_frame_args_address): Declare.
	(struct frame_info): Add "base" and "base_cache".  Update
	comments on the unwinder.
	* frame.c: Include "frame-base.h".
	(get_frame_locals_address): New function.
	(get_frame_base_address): New function.
	(get_frame_args_address): New function.
	* findvar.c (read_var_value): Use get_frame_locals_address and
	get_frame_args_address.
	* stack.c (frame_info): Use get_frame_locals_address and
	get_frame_args_address.
	(FRAME_ARGS_ADDRESS_CORRECT): Delete conditionally defined macro,
	moved to "frame-base.c".
	* printcmd.c (print_frame_nameless_args): Ditto.
	* symtab.h (address_class): Update comments.
	* dwarf2loc.c (dwarf_expr_frame_base): Add note about
	get_frame_base_address.
	* dwarf2expr.c (execute_stack_op): Ditto.
	* Makefile.in (frame_base_h): Define.
	(frame.o): Update dependencies.
	(frame-base.o): Add dependencies.
	(SFILES): Add frame-base.c.
	(COMMON_OBS): Add frame-base.o.
2003-04-01 19:11:01 +00:00
Daniel Jacobowitz e4adbba915 * dwarf2expr.c (new_dwarf_expr_context): Add (void) to definition.
* dwarf2loc.c: Include "regcache.h".
	(dwarf_expr_read_reg): Rename regnum argument to dwarf_regnum.  Use
	register_size.
	* Makefile.in (dwarf2loc.o): Update dependencies.
2003-03-05 18:00:02 +00:00
Daniel Jacobowitz a55cc764ae * Makefile.in (dwarf2loc.o): Update dependencies.
* ax-gdb.c (gen_var_ref): Handle LOC_COMPUTED and LOC_COMPUTED_ARG.
	* dwarf2expr.c (read_uleb128, read_sleb128): Make non-static.
	* dwarf2expr.h (read_uleb128, read_sleb128): Add prototypes.
	* dwarf2loc.c: Include "ax.h" and "ax-gdb.h".
	(locexpr_tracepoint_var_ref): New function.
	(dwarf2_locexpr_funcs): Add locexpr_tracepoint_var_ref.
2003-02-28 20:03:18 +00:00
Daniel Jacobowitz 4c2df51b5a Based on a patch from Daniel Berlin (dberlin@dberlin.org).
* symtab.h: Add opaque declarations of struct axs_value and
	struct agent_expr.
	(enum address_class): Add LOC_COMPUTED and LOC_COMPUTED_ARG.
	(struct location_funcs): New type.
	(struct symbol): Add "loc" to aux_value.
	(SYMBOL_LOCATION_BATON, SYMBOL_LOCATION_FUNCS): New macros.
	* dwarf2read.c: Include "dwarf2expr.h".
	(dwarf2_symbol_mark_computed): New function.
	(read_func_scope): Use it.
	(var_decode_location): New function.
	(new_symbol): Use it.
	* dwarf2expr.c, dwarf2expr.h, dwarf2loc.c, dwarf2loc.h: New files.

	* Makefile.in (SFILES): Add dwarf2loc.c and dwarf2expr.c.
	(dwarf2expr_h, dwarf2loc_h): New variables.
	(COMMON_OBS): Add dwarf2expr.o and dwarf2loc.o.
	(dwarf2expr.o, dwarf2loc.o): New rules.
	(dwarf2read.o): Add $(dwarf2expr_h) and $(dwarf2loc_h).
	* buildsym.c (finish_block): Handle LOC_COMPUTED and
	LOC_COMPUTED_ARG.
	* findvar.c (symbol_read_needs_frame, read_var_value): Likewise.
	* m2-exp.y (yylex): Likewise.
	* printcmd.c (address_info, print_frame_args): Likewise.
	* stack.c (print_block_frame_locals, print_frame_arg_vars): Likewise.
	* symmisc.c (print_symbol, print_partial_symbols): Likewise.
	* ada-lang.c (ada_resolve_subexp, symtab_for_sym)
	(ada_add_block_symbols, fill_in_ada_prototype): Likewise.
	* symtab.c (lookup_block_symbol): Likewise.
2003-02-21 15:24:18 +00:00