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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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18
gdb/gdbarch.h
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@@ -806,6 +806,24 @@ typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbar
extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch);
extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location);
/* Relocate an instruction to execute at a different address. OLDLOC
is the address in the inferior memory where the instruction to
relocate is currently at. On input, TO points to the destination
where we want the instruction to be copied (and possibly adjusted)
to. On output, it points to one past the end of the resulting
instruction(s). The effect of executing the instruction at TO shall
be the same as if executing it at FROM. For example, call
instructions that implicitly push the return address on the stack
should be adjusted to return to the instruction after OLDLOC;
relative branches, and other PC-relative instructions need the
offset adjusted; etc. */
extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch);
typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from);
extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction);
/* Refresh overlay mapped state for section OSECT. */
extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);