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gdb/

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2010-05-26  Pedro Alves  <pedro@codesourcery.com>

	* NEWS: Mention the `qRelocInsn' feature.
	* gdbarch.sh (relocate_instruction): New.
	* amd64-tdep.c (rip_relative_offset): New.
	(append_insns): New.
	(amd64_relocate_instruction): New.
	(amd64_init_abi): Install it.
	* i386-tdep.c (append_insns): New.
	(i386_relocate_instruction): New.
	(i386_gdbarch_init): Install it.
	* remote.c (remote_get_noisy_reply): Handle qRelocInsn requests.
	* gdbarch.h, gdbarch.c: Regenerate.

gdb/doc/
2010-05-26  Pedro Alves  <pedro@codesourcery.com>

	* gdb.texinfo (General Query Packets) <qSupported>: Describe the
	`qRelocInsn' feature.
	(Relocate instruction reply packet): New subsection
	of `Tracepoint Packets'.
	(Tracepoint Packets): Mention that packets QTDP and QTStart
	support the qRelocInsn request, and add cross reference to new
	subsection.
This commit is contained in:
Pedro Alves
2010-05-26 18:19:28 +00:00
parent 0a5b531f15
commit dde08ee109
10 changed files with 406 additions and 9 deletions
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35
gdb/gdbarch.c
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@ -245,6 +245,7 @@ struct gdbarch
gdbarch_displaced_step_fixup_ftype *displaced_step_fixup;
gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure;
gdbarch_displaced_step_location_ftype *displaced_step_location;
gdbarch_relocate_instruction_ftype *relocate_instruction;
gdbarch_overlay_update_ftype *overlay_update;
gdbarch_core_read_description_ftype *core_read_description;
gdbarch_static_transform_name_ftype *static_transform_name;
@ -392,6 +393,7 @@ struct gdbarch startup_gdbarch =
0, /* displaced_step_fixup */
NULL, /* displaced_step_free_closure */
NULL, /* displaced_step_location */
0, /* relocate_instruction */
0, /* overlay_update */
0, /* core_read_description */
0, /* static_transform_name */
@ -493,6 +495,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
gdbarch->displaced_step_fixup = NULL;
gdbarch->displaced_step_free_closure = NULL;
gdbarch->displaced_step_location = NULL;
gdbarch->relocate_instruction = NULL;
gdbarch->target_signal_from_host = default_target_signal_from_host;
gdbarch->target_signal_to_host = default_target_signal_to_host;
gdbarch->has_shared_address_space = default_has_shared_address_space;
@ -667,6 +670,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
fprintf_unfiltered (log, "\n\tdisplaced_step_free_closure");
if ((! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn))
fprintf_unfiltered (log, "\n\tdisplaced_step_location");
/* Skip verify of relocate_instruction, has predicate */
/* Skip verify of overlay_update, has predicate */
/* Skip verify of core_read_description, has predicate */
/* Skip verify of static_transform_name, has predicate */
@ -1104,6 +1108,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
fprintf_unfiltered (file,
"gdbarch_dump: regset_from_core_section = <%s>\n",
host_address_to_string (gdbarch->regset_from_core_section));
fprintf_unfiltered (file,
"gdbarch_dump: gdbarch_relocate_instruction_p() = %d\n",
gdbarch_relocate_instruction_p (gdbarch));
fprintf_unfiltered (file,
"gdbarch_dump: relocate_instruction = <%s>\n",
host_address_to_string (gdbarch->relocate_instruction));
fprintf_unfiltered (file,
"gdbarch_dump: remote_breakpoint_from_pc = <%s>\n",
host_address_to_string (gdbarch->remote_breakpoint_from_pc));
@ -3302,6 +3312,31 @@ set_gdbarch_displaced_step_location (struct gdbarch *gdbarch,
gdbarch->displaced_step_location = displaced_step_location;
}
int
gdbarch_relocate_instruction_p (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);
return gdbarch->relocate_instruction != NULL;
}
void
gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from)
{
gdb_assert (gdbarch != NULL);
gdb_assert (gdbarch->relocate_instruction != NULL);
/* Do not check predicate: gdbarch->relocate_instruction != NULL, allow call. */
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_relocate_instruction called\n");
gdbarch->relocate_instruction (gdbarch, to, from);
}
void
set_gdbarch_relocate_instruction (struct gdbarch *gdbarch,
gdbarch_relocate_instruction_ftype relocate_instruction)
{
gdbarch->relocate_instruction = relocate_instruction;
}
int
gdbarch_overlay_update_p (struct gdbarch *gdbarch)
{