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Update i386 and amd64 ports for unwinder changes.

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* amd64-tdep.c (amd64_frame_cache): Expect this_frame.
	(amd64_frame_this_id, amd64_frame_prev_register): Update signature.
	(amd64_frame_unwind): Use default_frame_sniffer.
	(amd64_frame_sniffer): Delete.
	(amd64_sigtramp_frame_cache): Expect this_frame.
	(amd64_sigtramp_frame_this_id, amd64_sigtramp_frame_prev_register)
	(amd64_sigtramp_frame_sniffer): Update signature.
	(amd64_sigtramp_frame_unwind): Add amd64_sigtramp_frame_sniffer.
	(amd64_frame_base_address): Expect this_frame.
	(amd64_dummy_id): Renamed from amd64_unwind_dummy_id.  Expect
	this_frame.
	(amd64_init_abi): Use set_gdbarch_dummy_id and
	frame_unwind_append_unwinder.
	* i386-tdep.c (i386_frame_cache): Expect this_frame.
	(i386_frame_this_id, i386_frame_prev_register): Update signature.
	(i386_frame_unwind): Use default_frame_sniffer.
	(i386_frame_sniffer): Delete.
	(i386_sigtramp_frame_cache): Expect this_frame.
	(i386_sigtramp_frame_this_id, i386_sigtramp_frame_prev_register)
	(i386_sigtramp_frame_sniffer): Update signature.
	(i386_sigtramp_frame_unwind): Use i386_sigtramp_frame_sniffer.
	(i386_frame_base_address): Update signature.
	(i386_dummy_id): Rename from i386_unwind_dummy_id.  Expect this_frame.
	(i386_push_dummy_call): Update comment.
	(i386_sigtramp_p, i386_svr4_sigtramp_p, i386_svr4_sigcontext_addr):
	Expect this_frame.
	(i386_gdbarch_init): Use set_gdbarch_dummy_id, dwarf2_append_unwinders,
	and frame_unwind_append_unwinder.
	* amd64-linux-tdep.c, amd64-sol2-tdep.c, amd64fbsd-tdep.c,
	amd64nbsd-tdep.c, amd64obsd-tdep.c, i386-linux-tdep.c,
	i386-nto-tdep.c, i386bsd-tdep.c, i386-sol2-tdep.c, i386obsd-tdep.c,
	i386nbsd-tdep.c: Update for unwinder changes.
This commit is contained in:
Daniel Jacobowitz
2008-04-30 21:19:45 +00:00
parent 25492ce3f9
commit 1045891474
14 changed files with 325 additions and 392 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
gdb/amd64-linux-tdep.c
View File

@ -88,9 +88,9 @@ static const gdb_byte linux_sigtramp_code[] =
the routine. Otherwise, return 0. */
static CORE_ADDR
amd64_linux_sigtramp_start (struct frame_info *next_frame)
amd64_linux_sigtramp_start (struct frame_info *this_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
CORE_ADDR pc = get_frame_pc (this_frame);
gdb_byte buf[LINUX_SIGTRAMP_LEN];
/* We only recognize a signal trampoline if PC is at the start of
@ -100,7 +100,7 @@ amd64_linux_sigtramp_start (struct frame_info *next_frame)
PC is not at the start of the instruction sequence, there will be
a few trailing readable bytes on the stack. */
if (!safe_frame_unwind_memory (next_frame, pc, buf, sizeof buf))
if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
return 0;
if (buf[0] != LINUX_SIGTRAMP_INSN0)
@ -109,7 +109,7 @@ amd64_linux_sigtramp_start (struct frame_info *next_frame)
return 0;
pc -= LINUX_SIGTRAMP_OFFSET1;
if (!safe_frame_unwind_memory (next_frame, pc, buf, sizeof buf))
if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
return 0;
}
@ -119,13 +119,13 @@ amd64_linux_sigtramp_start (struct frame_info *next_frame)
return pc;
}
/* Return whether the frame preceding NEXT_FRAME corresponds to a
GNU/Linux sigtramp routine. */
/* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
routine. */
static int
amd64_linux_sigtramp_p (struct frame_info *next_frame)
amd64_linux_sigtramp_p (struct frame_info *this_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
CORE_ADDR pc = get_frame_pc (this_frame);
char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
@ -137,7 +137,7 @@ amd64_linux_sigtramp_p (struct frame_info *next_frame)
__sigaction, or __libc_sigaction (all aliases to the same
function). */
if (name == NULL || strstr (name, "sigaction") != NULL)
return (amd64_linux_sigtramp_start (next_frame) != 0);
return (amd64_linux_sigtramp_start (this_frame) != 0);
return (strcmp ("__restore_rt", name) == 0);
}
@ -145,17 +145,16 @@ amd64_linux_sigtramp_p (struct frame_info *next_frame)
/* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
#define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
/* Assuming NEXT_FRAME is a frame following a GNU/Linux sigtramp
routine, return the address of the associated sigcontext structure. */
/* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
address of the associated sigcontext structure. */
static CORE_ADDR
amd64_linux_sigcontext_addr (struct frame_info *next_frame)
amd64_linux_sigcontext_addr (struct frame_info *this_frame)
{
CORE_ADDR sp;
gdb_byte buf[8];
frame_unwind_register (next_frame,
gdbarch_sp_regnum (get_frame_arch (next_frame)), buf);
get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
sp = extract_unsigned_integer (buf, 8);
/* The sigcontext structure is part of the user context. A pointer