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* frame.c (frame_unwind_register): Throw an error if unwinding the
	register failed.
	* get_prev_frame_1 (get_prev_frame_1): Ask the unwinder if there's
	an unwind stop reason.
	(frame_stop_reason_string): Handle UNWIND_UNAVAILABLE.
	* frame.h (enum unwind_stop_reason) <UNWIND_OUTERMOST,
	UNWIND_UNAVAILABLE>: New.
	* inline-frame.c (inline_frame_unwind): Install
	default_frame_unwind_stop_reason.
	* frame-unwind.c: Include "exceptions.h".
	(frame_unwind_find_by_frame): Swallow NOT_AVAILABLE_ERROR errors.
	(default_frame_unwind_stop_reason): New.
	* frame-unwind.h (frame_unwind_stop_reason_ftype): New typedef.
	(default_frame_unwind_stop_reason): Declare.
	(struct frame_unwind) <stop_reason>: New function pointer.

	* dummy-frame.c: Install default_frame_unwind_stop_reason.
	* dwarf2-frame.c: Include exceptions.h.
	(struct dwarf2_frame_cache) <unavailable_retaddr>: New field.
	(dwarf2_frame_cache): Swallow NOT_AVAILABLE_ERROR errors when
	computing the CFA.  If such an error was thrown, set
	unavailable_retaddr.
	(dwarf2_frame_unwind_stop_reason): New.
	(dwarf2_frame_this_id): Don't build a frame id if the CFA was
	unavailable.
	(dwarf2_frame_unwind): Install dwarf2_frame_unwind_stop_reason.
	(dwarf2_signal_frame_unwind): Ditto.

	* amd64-tdep.c: Include "exceptions.h".
	(struct amd64_frame_cache): New field "base_p".
	(amd64_init_frame_cache): Clear it.
	(amd64_frame_cache_1): New, factored out from amd64_frame_cache.
	Avoid reading registers with functions that throw if the register
	is not necessary to compute the frame base.
	(amd64_frame_cache): Reimplement wrapping amd64_frame_cache_1, and
	swallowing NOT_AVAILABLE_ERROR.
	(amd64_frame_unwind_stop_reason): New.
	(amd64_frame_this_id): Don't build a frame id if the frame base
	was unavailable.
	(amd64_frame_unwind): Install amd64_frame_unwind_stop_reason.
	(amd64_sigtramp_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
	base_p if the frame base was computable.
	(amd64_sigtramp_frame_unwind_stop_reason): New.
	(amd64_sigtramp_frame_this_id): Don't build a frame id if the
	frame base was unavailable.
	(amd64_sigtramp_frame_unwind): Install
	amd64_sigtramp_frame_unwind_stop_reason.
	(amd64_epilogue_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
	base_p if the frame base was computable.
	(amd64_epilogue_frame_unwind_stop_reason): New.
	(amd64_epilogue_frame_this_id): Don't build a frame id if the
	frame base was unavailable.
	(amd64_epilogue_frame_unwind): Install
	amd64_epilogue_frame_unwind_stop_reason.
	* i386-tdep.c: Include "exceptions.h".
	(struct i386_frame_cache): New field "base_p".
	(i386_init_frame_cache): Clear it.
	(i386_frame_cache_1): New, factored out from amd64_frame_cache.
	Avoid reading registers with functions that throw if the register
	is not necessary to compute the frame base.
	(i386_frame_cache): Reimplement wrapping amd64_frame_cache_1, and
	swallowing NOT_AVAILABLE_ERROR.
	(i386_frame_unwind_stop_reason): New.
	(i386_frame_this_id): Don't build a frame id if the frame base was
	unavailable.
	(i386_frame_prev_register): Handle unavailable SP.
	(i386_frame_unwind): Install i386_frame_unwind_stop_reason.
	(i386_epilogue_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
	base_p if the frame base was computable.
	(i386_epilogue_frame_unwind_stop_reason): New.
	(i386_epilogue_frame_this_id): Don't build a frame id if the frame
	base was unavailable.
	(i386_epilogue_frame_unwind): Install
	i386_epilogue_frame_unwind_stop_reason.
	(i386_sigtramp_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
	base_p if the frame base was computable.
	(i386_sigtramp_frame_unwind_stop_reason): New.
	(i386_sigtramp_frame_this_id): Don't build a frame id if the frame
	base was unavailable.
	(i386_sigtramp_frame_unwind): Install
	i386_sigtramp_frame_unwind_stop_reason.
	* sentinel-frame.c (sentinel_frame_prev_register): Use the value
	type's size, not the register's.
	(sentinel_frame_unwind): Install default_frame_unwind_stop_reason.

	* alpha-mdebug-tdep.c (alpha_mdebug_frame_unwind): Install
	default_frame_unwind_stop_reason.
	* alpha-tdep.c (alpha_sigtramp_frame_unwind)
	(alpha_heuristic_frame_unwind): Ditto.
	* amd64obsd-tdep.c (amd64obsd_trapframe_unwind): Ditto.
	* arm-tdep.c (arm_prologue_unwind, arm_stub_unwind): Ditto.
	* avr-tdep.c (avr_frame_unwind): Ditto.
	* cris-tdep.c (cris_sigtramp_frame_unwind, cris_frame_unwind):
	Ditto.
	* frv-linux-tdep.c (frv_linux_sigtramp_frame_unwind): Ditto.
	* frv-tdep.c (frv_frame_unwind): Ditto.
	* h8300-tdep.c (h8300_frame_unwind): Ditto.
	* hppa-hpux-tdep.c (hppa_hpux_sigtramp_frame_unwind): Ditto.
	* hppa-linux-tdep.c (hppa_linux_sigtramp_frame_unwind): Ditto.
	* hppa-tdep.c (hppa_frame_unwind, hppa_fallback_frame_unwind)
	(hppa_stub_frame_unwind): Ditto.
	* i386obsd-tdep.c (i386obsd_trapframe_unwind): Ditto.
	* ia64-tdep.c (ia64_frame_unwind, ia64_sigtramp_frame_unwind)
	(ia64_libunwind_frame_unwind)
	(ia64_libunwind_sigtramp_frame_unwind): Ditto.
	* iq2000-tdep.c (iq2000_frame_unwind): Ditto.
	* lm32-tdep.c (lm32_frame_unwind): Ditto.
	* m32c-tdep.c (m32c_unwind): Ditto.
	* m32r-linux-tdep.c (m32r_linux_sigtramp_frame_unwind): Ditto.
	* m32r-tdep.c (m32r_frame_unwind): Ditto.
	* m68hc11-tdep.c (m68hc11_frame_unwind): Ditto.
	* m68k-tdep.c (m68k_frame_unwind): Ditto.
	* m68klinux-tdep.c (m68k_linux_sigtramp_frame_unwind): Ditto.
	* m88k-tdep.c (m88k_frame_unwind): Ditto.
	* mep-tdep.c (mep_frame_unwind): Ditto.
	* microblaze-tdep.c (microblaze_frame_unwind): Ditto.
	* mips-tdep.c (mips_insn16_frame_unwind, mips_insn32_frame_unwind)
	(mips_stub_frame_unwind): Ditto.
	* mn10300-tdep.c (mn10300_frame_unwind): Ditto.
	* moxie-tdep.c (moxie_frame_unwind): Ditto.
	* mt-tdep.c (mt_frame_unwind): Ditto.
	* ppc-linux-tdep.c (ppu2spu_unwind): Ditto.
	* ppcobsd-tdep.c (ppcobsd_sigtramp_frame_unwind): Ditto.
	* rs6000-tdep.c (rs6000_frame_unwind): Ditto.
	* s390-tdep.c (s390_frame_unwind, s390_stub_frame_unwind)
	(s390_sigtramp_frame_unwind): Ditto.
	* score-tdep.c (score_prologue_unwind): Ditto.
	* sh-tdep.c (sh_frame_unwind): Ditto.
	* sh64-tdep.c (sh64_frame_unwind): Ditto.
	* sparc-sol2-tdep.c (sparc32_sol2_sigtramp_frame_unwind): Ditto.
	* sparc-tdep.c (sparc32_frame_unwind): Ditto.
	* sparc64-sol2-tdep.c (sparc64_sol2_sigtramp_frame_unwind): Ditto.
	* sparc64-tdep.c (sparc64_frame_unwind): Ditto.
	* sparc64fbsd-tdep.c (sparc64fbsd_sigtramp_frame_unwind): Ditto.
	* sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_frame_unwind): Ditto.
	* sparc64obsd-tdep.c (sparc64obsd_frame_unwind)
	(sparc64obsd_trapframe_unwind): Ditto.
	* sparcnbsd-tdep.c (sparc32nbsd_sigcontext_frame_unwind): Ditto.
	* sparcobsd-tdep.c (sparc32obsd_sigtramp_frame_unwind): Ditto.
	* spu-tdep.c (spu_frame_unwind, spu2ppu_unwind): Ditto.
	* v850-tdep.c (v850_frame_unwind): Ditto.
	* vax-tdep.c (vax_frame_unwind): Ditto.
	* vaxobsd-tdep.c (vaxobsd_sigtramp_frame_unwind): Ditto.
	* xstormy16-tdep.c (frame_unwind xstormy16_frame_unwind): Ditto.
	* xtensa-tdep.c (xtensa_unwind): Ditto.
This commit is contained in:
Pedro Alves 2011-03-18 18:52:32 +00:00
parent 8661b11b18
commit 8fbca658f0
63 changed files with 616 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

148
gdb/ChangeLog
View File

@ -1,3 +1,151 @@
2012-03-18 Pedro Alves <pedro@codesourcery.com>
* frame.c (frame_unwind_register): Throw an error if unwinding the
register failed.
* get_prev_frame_1 (get_prev_frame_1): Ask the unwinder if there's
an unwind stop reason.
(frame_stop_reason_string): Handle UNWIND_UNAVAILABLE.
* frame.h (enum unwind_stop_reason) <UNWIND_OUTERMOST,
UNWIND_UNAVAILABLE>: New.
* inline-frame.c (inline_frame_unwind): Install
default_frame_unwind_stop_reason.
* frame-unwind.c: Include "exceptions.h".
(frame_unwind_find_by_frame): Swallow NOT_AVAILABLE_ERROR errors.
(default_frame_unwind_stop_reason): New.
* frame-unwind.h (frame_unwind_stop_reason_ftype): New typedef.
(default_frame_unwind_stop_reason): Declare.
(struct frame_unwind) <stop_reason>: New function pointer.
* dummy-frame.c: Install default_frame_unwind_stop_reason.
* dwarf2-frame.c: Include exceptions.h.
(struct dwarf2_frame_cache) <unavailable_retaddr>: New field.
(dwarf2_frame_cache): Swallow NOT_AVAILABLE_ERROR errors when
computing the CFA. If such an error was thrown, set
unavailable_retaddr.
(dwarf2_frame_unwind_stop_reason): New.
(dwarf2_frame_this_id): Don't build a frame id if the CFA was
unavailable.
(dwarf2_frame_unwind): Install dwarf2_frame_unwind_stop_reason.
(dwarf2_signal_frame_unwind): Ditto.
* amd64-tdep.c: Include "exceptions.h".
(struct amd64_frame_cache): New field "base_p".
(amd64_init_frame_cache): Clear it.
(amd64_frame_cache_1): New, factored out from amd64_frame_cache.
Avoid reading registers with functions that throw if the register
is not necessary to compute the frame base.
(amd64_frame_cache): Reimplement wrapping amd64_frame_cache_1, and
swallowing NOT_AVAILABLE_ERROR.
(amd64_frame_unwind_stop_reason): New.
(amd64_frame_this_id): Don't build a frame id if the frame base
was unavailable.
(amd64_frame_unwind): Install amd64_frame_unwind_stop_reason.
(amd64_sigtramp_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
base_p if the frame base was computable.
(amd64_sigtramp_frame_unwind_stop_reason): New.
(amd64_sigtramp_frame_this_id): Don't build a frame id if the
frame base was unavailable.
(amd64_sigtramp_frame_unwind): Install
amd64_sigtramp_frame_unwind_stop_reason.
(amd64_epilogue_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
base_p if the frame base was computable.
(amd64_epilogue_frame_unwind_stop_reason): New.
(amd64_epilogue_frame_this_id): Don't build a frame id if the
frame base was unavailable.
(amd64_epilogue_frame_unwind): Install
amd64_epilogue_frame_unwind_stop_reason.
* i386-tdep.c: Include "exceptions.h".
(struct i386_frame_cache): New field "base_p".
(i386_init_frame_cache): Clear it.
(i386_frame_cache_1): New, factored out from amd64_frame_cache.
Avoid reading registers with functions that throw if the register
is not necessary to compute the frame base.
(i386_frame_cache): Reimplement wrapping amd64_frame_cache_1, and
swallowing NOT_AVAILABLE_ERROR.
(i386_frame_unwind_stop_reason): New.
(i386_frame_this_id): Don't build a frame id if the frame base was
unavailable.
(i386_frame_prev_register): Handle unavailable SP.
(i386_frame_unwind): Install i386_frame_unwind_stop_reason.
(i386_epilogue_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
base_p if the frame base was computable.
(i386_epilogue_frame_unwind_stop_reason): New.
(i386_epilogue_frame_this_id): Don't build a frame id if the frame
base was unavailable.
(i386_epilogue_frame_unwind): Install
i386_epilogue_frame_unwind_stop_reason.
(i386_sigtramp_frame_cache): Swallow NOT_AVAILABLE_ERROR, and set
base_p if the frame base was computable.
(i386_sigtramp_frame_unwind_stop_reason): New.
(i386_sigtramp_frame_this_id): Don't build a frame id if the frame
base was unavailable.
(i386_sigtramp_frame_unwind): Install
i386_sigtramp_frame_unwind_stop_reason.
* sentinel-frame.c (sentinel_frame_prev_register): Use the value
type's size, not the register's.
(sentinel_frame_unwind): Install default_frame_unwind_stop_reason.
* alpha-mdebug-tdep.c (alpha_mdebug_frame_unwind): Install
default_frame_unwind_stop_reason.
* alpha-tdep.c (alpha_sigtramp_frame_unwind)
(alpha_heuristic_frame_unwind): Ditto.
* amd64obsd-tdep.c (amd64obsd_trapframe_unwind): Ditto.
* arm-tdep.c (arm_prologue_unwind, arm_stub_unwind): Ditto.
* avr-tdep.c (avr_frame_unwind): Ditto.
* cris-tdep.c (cris_sigtramp_frame_unwind, cris_frame_unwind):
Ditto.
* frv-linux-tdep.c (frv_linux_sigtramp_frame_unwind): Ditto.
* frv-tdep.c (frv_frame_unwind): Ditto.
* h8300-tdep.c (h8300_frame_unwind): Ditto.
* hppa-hpux-tdep.c (hppa_hpux_sigtramp_frame_unwind): Ditto.
* hppa-linux-tdep.c (hppa_linux_sigtramp_frame_unwind): Ditto.
* hppa-tdep.c (hppa_frame_unwind, hppa_fallback_frame_unwind)
(hppa_stub_frame_unwind): Ditto.
* i386obsd-tdep.c (i386obsd_trapframe_unwind): Ditto.
* ia64-tdep.c (ia64_frame_unwind, ia64_sigtramp_frame_unwind)
(ia64_libunwind_frame_unwind)
(ia64_libunwind_sigtramp_frame_unwind): Ditto.
* iq2000-tdep.c (iq2000_frame_unwind): Ditto.
* lm32-tdep.c (lm32_frame_unwind): Ditto.
* m32c-tdep.c (m32c_unwind): Ditto.
* m32r-linux-tdep.c (m32r_linux_sigtramp_frame_unwind): Ditto.
* m32r-tdep.c (m32r_frame_unwind): Ditto.
* m68hc11-tdep.c (m68hc11_frame_unwind): Ditto.
* m68k-tdep.c (m68k_frame_unwind): Ditto.
* m68klinux-tdep.c (m68k_linux_sigtramp_frame_unwind): Ditto.
* m88k-tdep.c (m88k_frame_unwind): Ditto.
* mep-tdep.c (mep_frame_unwind): Ditto.
* microblaze-tdep.c (microblaze_frame_unwind): Ditto.
* mips-tdep.c (mips_insn16_frame_unwind, mips_insn32_frame_unwind)
(mips_stub_frame_unwind): Ditto.
* mn10300-tdep.c (mn10300_frame_unwind): Ditto.
* moxie-tdep.c (moxie_frame_unwind): Ditto.
* mt-tdep.c (mt_frame_unwind): Ditto.
* ppc-linux-tdep.c (ppu2spu_unwind): Ditto.
* ppcobsd-tdep.c (ppcobsd_sigtramp_frame_unwind): Ditto.
* rs6000-tdep.c (rs6000_frame_unwind): Ditto.
* s390-tdep.c (s390_frame_unwind, s390_stub_frame_unwind)
(s390_sigtramp_frame_unwind): Ditto.
* score-tdep.c (score_prologue_unwind): Ditto.
* sh-tdep.c (sh_frame_unwind): Ditto.
* sh64-tdep.c (sh64_frame_unwind): Ditto.
* sparc-sol2-tdep.c (sparc32_sol2_sigtramp_frame_unwind): Ditto.
* sparc-tdep.c (sparc32_frame_unwind): Ditto.
* sparc64-sol2-tdep.c (sparc64_sol2_sigtramp_frame_unwind): Ditto.
* sparc64-tdep.c (sparc64_frame_unwind): Ditto.
* sparc64fbsd-tdep.c (sparc64fbsd_sigtramp_frame_unwind): Ditto.
* sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_frame_unwind): Ditto.
* sparc64obsd-tdep.c (sparc64obsd_frame_unwind)
(sparc64obsd_trapframe_unwind): Ditto.
* sparcnbsd-tdep.c (sparc32nbsd_sigcontext_frame_unwind): Ditto.
* sparcobsd-tdep.c (sparc32obsd_sigtramp_frame_unwind): Ditto.
* spu-tdep.c (spu_frame_unwind, spu2ppu_unwind): Ditto.
* v850-tdep.c (v850_frame_unwind): Ditto.
* vax-tdep.c (vax_frame_unwind): Ditto.
* vaxobsd-tdep.c (vaxobsd_sigtramp_frame_unwind): Ditto.
* xstormy16-tdep.c (frame_unwind xstormy16_frame_unwind): Ditto.
* xtensa-tdep.c (xtensa_unwind): Ditto.
2011-03-18 Pedro Alves <pedro@codesourcery.com>
* tui/tui-hooks.c (tui_selected_frame_level_changed_hook): Assume

1
gdb/alpha-mdebug-tdep.c
View File

@ -336,6 +336,7 @@ alpha_mdebug_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind alpha_mdebug_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
alpha_mdebug_frame_this_id,
alpha_mdebug_frame_prev_register,
NULL,

2
gdb/alpha-tdep.c
View File

@ -936,6 +936,7 @@ alpha_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind alpha_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
alpha_sigtramp_frame_this_id,
alpha_sigtramp_frame_prev_register,
NULL,
@ -1351,6 +1352,7 @@ alpha_heuristic_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind alpha_heuristic_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
alpha_heuristic_frame_this_id,
alpha_heuristic_frame_prev_register,
NULL,

156
gdb/amd64-tdep.c
View File

@ -38,7 +38,7 @@
#include "symfile.h"
#include "disasm.h"
#include "gdb_assert.h"
#include "exceptions.h"
#include "amd64-tdep.h"
#include "i387-tdep.h"
@ -1635,6 +1635,7 @@ struct amd64_frame_cache
{
/* Base address. */
CORE_ADDR base;
int base_p;
CORE_ADDR sp_offset;
CORE_ADDR pc;
@ -1656,6 +1657,7 @@ amd64_init_frame_cache (struct amd64_frame_cache *cache)
/* Base address. */
cache->base = 0;
cache->base_p = 0;
cache->sp_offset = -8;
cache->pc = 0;
@ -1913,33 +1915,20 @@ amd64_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
/* Normal frames. */
static struct amd64_frame_cache *
amd64_frame_cache (struct frame_info *this_frame, void **this_cache)
static void
amd64_frame_cache_1 (struct frame_info *this_frame,
struct amd64_frame_cache *cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct amd64_frame_cache *cache;
gdb_byte buf[8];
int i;
if (*this_cache)
return *this_cache;
cache = amd64_alloc_frame_cache ();
*this_cache = cache;
cache->pc = get_frame_func (this_frame);
if (cache->pc != 0)
amd64_analyze_prologue (gdbarch, cache->pc, get_frame_pc (this_frame),
cache);
if (cache->saved_sp_reg != -1)
{
/* Stack pointer has been saved. */
get_frame_register (this_frame, cache->saved_sp_reg, buf);
cache->saved_sp = extract_unsigned_integer(buf, 8, byte_order);
}
if (cache->frameless_p)
{
/* We didn't find a valid frame. If we're at the start of a
@ -1951,6 +1940,10 @@ amd64_frame_cache (struct frame_info *this_frame, void **this_cache)
if (cache->saved_sp_reg != -1)
{
/* Stack pointer has been saved. */
get_frame_register (this_frame, cache->saved_sp_reg, buf);
cache->saved_sp = extract_unsigned_integer (buf, 8, byte_order);
/* We're halfway aligning the stack. */
cache->base = ((cache->saved_sp - 8) & 0xfffffffffffffff0LL) - 8;
cache->saved_regs[AMD64_RIP_REGNUM] = cache->saved_sp - 8;
@ -1988,9 +1981,48 @@ amd64_frame_cache (struct frame_info *this_frame, void **this_cache)
if (cache->saved_regs[i] != -1)
cache->saved_regs[i] += cache->base;
cache->base_p = 1;
}
static struct amd64_frame_cache *
amd64_frame_cache (struct frame_info *this_frame, void **this_cache)
{
volatile struct gdb_exception ex;
struct amd64_frame_cache *cache;
if (*this_cache)
return *this_cache;
cache = amd64_alloc_frame_cache ();
*this_cache = cache;
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
amd64_frame_cache_1 (this_frame, cache);
}
if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
throw_exception (ex);
return cache;
}
static enum unwind_stop_reason
amd64_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct amd64_frame_cache *cache =
amd64_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return UNWIND_UNAVAILABLE;
/* This marks the outermost frame. */
if (cache->base == 0)
return UNWIND_OUTERMOST;
return UNWIND_NO_REASON;
}
static void
amd64_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
@ -1998,6 +2030,9 @@ amd64_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct amd64_frame_cache *cache =
amd64_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return;
/* This marks the outermost frame. */
if (cache->base == 0)
return;
@ -2028,6 +2063,7 @@ amd64_frame_prev_register (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind amd64_frame_unwind =
{
NORMAL_FRAME,
amd64_frame_unwind_stop_reason,
amd64_frame_this_id,
amd64_frame_prev_register,
NULL,
@ -2047,6 +2083,7 @@ amd64_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
volatile struct gdb_exception ex;
struct amd64_frame_cache *cache;
CORE_ADDR addr;
gdb_byte buf[8];
@ -2057,20 +2094,40 @@ amd64_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
cache = amd64_alloc_frame_cache ();
get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 8, byte_order) - 8;
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 8, byte_order) - 8;
addr = tdep->sigcontext_addr (this_frame);
gdb_assert (tdep->sc_reg_offset);
gdb_assert (tdep->sc_num_regs <= AMD64_NUM_SAVED_REGS);
for (i = 0; i < tdep->sc_num_regs; i++)
if (tdep->sc_reg_offset[i] != -1)
cache->saved_regs[i] = addr + tdep->sc_reg_offset[i];
addr = tdep->sigcontext_addr (this_frame);
gdb_assert (tdep->sc_reg_offset);
gdb_assert (tdep->sc_num_regs <= AMD64_NUM_SAVED_REGS);
for (i = 0; i < tdep->sc_num_regs; i++)
if (tdep->sc_reg_offset[i] != -1)
cache->saved_regs[i] = addr + tdep->sc_reg_offset[i];
cache->base_p = 1;
}
if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
throw_exception (ex);
*this_cache = cache;
return cache;
}
static enum unwind_stop_reason
amd64_sigtramp_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct amd64_frame_cache *cache =
amd64_sigtramp_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return UNWIND_UNAVAILABLE;
return UNWIND_NO_REASON;
}
static void
amd64_sigtramp_frame_this_id (struct frame_info *this_frame,
void **this_cache, struct frame_id *this_id)
@ -2078,6 +2135,9 @@ amd64_sigtramp_frame_this_id (struct frame_info *this_frame,
struct amd64_frame_cache *cache =
amd64_sigtramp_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return;
(*this_id) = frame_id_build (cache->base + 16, get_frame_pc (this_frame));
}
@ -2124,6 +2184,7 @@ amd64_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind amd64_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
amd64_sigtramp_frame_unwind_stop_reason,
amd64_sigtramp_frame_this_id,
amd64_sigtramp_frame_prev_register,
NULL,
@ -2185,6 +2246,7 @@ amd64_epilogue_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
volatile struct gdb_exception ex;
struct amd64_frame_cache *cache;
gdb_byte buf[8];
@ -2194,23 +2256,43 @@ amd64_epilogue_frame_cache (struct frame_info *this_frame, void **this_cache)
cache = amd64_alloc_frame_cache ();
*this_cache = cache;
/* Cache base will be %esp plus cache->sp_offset (-8). */
get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 8,
byte_order) + cache->sp_offset;
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
/* Cache base will be %esp plus cache->sp_offset (-8). */
get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 8,
byte_order) + cache->sp_offset;
/* Cache pc will be the frame func. */
cache->pc = get_frame_pc (this_frame);
/* Cache pc will be the frame func. */
cache->pc = get_frame_pc (this_frame);
/* The saved %esp will be at cache->base plus 16. */
cache->saved_sp = cache->base + 16;
/* The saved %esp will be at cache->base plus 16. */
cache->saved_sp = cache->base + 16;
/* The saved %eip will be at cache->base plus 8. */
cache->saved_regs[AMD64_RIP_REGNUM] = cache->base + 8;
/* The saved %eip will be at cache->base plus 8. */
cache->saved_regs[AMD64_RIP_REGNUM] = cache->base + 8;
cache->base_p = 1;
}
if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
throw_exception (ex);
return cache;
}
static enum unwind_stop_reason
amd64_epilogue_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct amd64_frame_cache *cache
= amd64_epilogue_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return UNWIND_UNAVAILABLE;
return UNWIND_NO_REASON;
}
static void
amd64_epilogue_frame_this_id (struct frame_info *this_frame,
void **this_cache,
@ -2219,12 +2301,16 @@ amd64_epilogue_frame_this_id (struct frame_info *this_frame,
struct amd64_frame_cache *cache = amd64_epilogue_frame_cache (this_frame,
this_cache);
if (!cache->base_p)
return;
(*this_id) = frame_id_build (cache->base + 8, cache->pc);
}
static const struct frame_unwind amd64_epilogue_frame_unwind =
{
NORMAL_FRAME,
amd64_epilogue_frame_unwind_stop_reason,
amd64_epilogue_frame_this_id,
amd64_frame_prev_register,
NULL,

1
gdb/amd64obsd-tdep.c
View File

@ -437,6 +437,7 @@ static const struct frame_unwind amd64obsd_trapframe_unwind = {
frame, but SIGTRAMP_FRAME would print <signal handler called>,
which really is not what we want here. */
NORMAL_FRAME,
default_frame_unwind_stop_reason,
amd64obsd_trapframe_this_id,
amd64obsd_trapframe_prev_register,
NULL,

3
gdb/arm-tdep.c
View File

@ -2146,6 +2146,7 @@ arm_prologue_prev_register (struct frame_info *this_frame,
struct frame_unwind arm_prologue_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
arm_prologue_this_id,
arm_prologue_prev_register,
NULL,
@ -2884,6 +2885,7 @@ arm_exidx_unwind_sniffer (const struct frame_unwind *self,
struct frame_unwind arm_exidx_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
arm_prologue_this_id,
arm_prologue_prev_register,
NULL,
@ -2939,6 +2941,7 @@ arm_stub_unwind_sniffer (const struct frame_unwind *self,
struct frame_unwind arm_stub_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
arm_stub_this_id,
arm_prologue_prev_register,
NULL,

1
gdb/avr-tdep.c
View File

@ -1131,6 +1131,7 @@ avr_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind avr_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
avr_frame_this_id,
avr_frame_prev_register,
NULL,

1
gdb/bfin-tdep.c
View File

@ -376,6 +376,7 @@ bfin_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind bfin_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
bfin_frame_this_id,
bfin_frame_prev_register,
NULL,

2
gdb/cris-tdep.c
View File

@ -448,6 +448,7 @@ cris_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind cris_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
cris_sigtramp_frame_this_id,
cris_sigtramp_frame_prev_register,
NULL,
@ -985,6 +986,7 @@ cris_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
static const struct frame_unwind cris_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
cris_frame_this_id,
cris_frame_prev_register,
NULL,

1
gdb/dummy-frame.c
View File

@ -278,6 +278,7 @@ dummy_frame_this_id (struct frame_info *this_frame,
const struct frame_unwind dummy_frame_unwind =
{
DUMMY_FRAME,
default_frame_unwind_stop_reason,
dummy_frame_this_id,
dummy_frame_prev_register,
NULL,

79
gdb/dwarf2-frame.c
View File

@ -40,6 +40,7 @@
#include "dwarf2-frame.h"
#include "ax.h"
#include "dwarf2loc.h"
#include "exceptions.h"
struct comp_unit;
@ -986,6 +987,10 @@ struct dwarf2_frame_cache
/* DWARF Call Frame Address. */
CORE_ADDR cfa;
/* Set if the return address column was marked as unavailable
(required non-collected memory or registers to compute). */
int unavailable_retaddr;
/* Set if the return address column was marked as undefined. */
int undefined_retaddr;
@ -1013,6 +1018,7 @@ dwarf2_frame_cache (struct frame_info *this_frame, void **this_cache)
struct dwarf2_frame_cache *cache;
struct dwarf2_frame_state *fs;
struct dwarf2_fde *fde;
volatile struct gdb_exception ex;
if (*this_cache)
return *this_cache;
@ -1020,10 +1026,10 @@ dwarf2_frame_cache (struct frame_info *this_frame, void **this_cache)
/* Allocate a new cache. */
cache = FRAME_OBSTACK_ZALLOC (struct dwarf2_frame_cache);
cache->reg = FRAME_OBSTACK_CALLOC (num_regs, struct dwarf2_frame_state_reg);
*this_cache = cache;
/* Allocate and initialize the frame state. */
fs = XMALLOC (struct dwarf2_frame_state);
memset (fs, 0, sizeof (struct dwarf2_frame_state));
fs = XZALLOC (struct dwarf2_frame_state);
old_chain = make_cleanup (dwarf2_frame_state_free, fs);
/* Unwind the PC.
@ -1068,26 +1074,39 @@ dwarf2_frame_cache (struct frame_info *this_frame, void **this_cache)
execute_cfa_program (fde, fde->instructions, fde->end, gdbarch,
get_frame_pc (this_frame), fs);
/* Calculate the CFA. */
switch (fs->regs.cfa_how)
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
case CFA_REG_OFFSET:
cache->cfa = read_reg (this_frame, fs->regs.cfa_reg);
if (fs->armcc_cfa_offsets_reversed)
cache->cfa -= fs->regs.cfa_offset;
else
cache->cfa += fs->regs.cfa_offset;
break;
/* Calculate the CFA. */
switch (fs->regs.cfa_how)
{
case CFA_REG_OFFSET:
cache->cfa = read_reg (this_frame, fs->regs.cfa_reg);
if (fs->armcc_cfa_offsets_reversed)
cache->cfa -= fs->regs.cfa_offset;
else
cache->cfa += fs->regs.cfa_offset;
break;
case CFA_EXP:
cache->cfa =
execute_stack_op (fs->regs.cfa_exp, fs->regs.cfa_exp_len,
cache->addr_size, cache->text_offset,
this_frame, 0, 0);
break;
case CFA_EXP:
cache->cfa =
execute_stack_op (fs->regs.cfa_exp, fs->regs.cfa_exp_len,
cache->addr_size, cache->text_offset,
this_frame, 0, 0);
break;
default:
internal_error (__FILE__, __LINE__, _("Unknown CFA rule."));
default:
internal_error (__FILE__, __LINE__, _("Unknown CFA rule."));
}
}
if (ex.reason < 0)
{
if (ex.error == NOT_AVAILABLE_ERROR)
{
cache->unavailable_retaddr = 1;
return cache;
}
throw_exception (ex);
}
/* Initialize the register state. */
@ -1193,10 +1212,25 @@ incomplete CFI data; unspecified registers (e.g., %s) at %s"),
do_cleanups (old_chain);
*this_cache = cache;
return cache;
}
static enum unwind_stop_reason
dwarf2_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct dwarf2_frame_cache *cache
= dwarf2_frame_cache (this_frame, this_cache);
if (cache->unavailable_retaddr)
return UNWIND_UNAVAILABLE;
if (cache->undefined_retaddr)
return UNWIND_OUTERMOST;
return UNWIND_NO_REASON;
}
static void
dwarf2_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
@ -1204,6 +1238,9 @@ dwarf2_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct dwarf2_frame_cache *cache =
dwarf2_frame_cache (this_frame, this_cache);
if (cache->unavailable_retaddr)
return;
if (cache->undefined_retaddr)
return;
@ -1321,6 +1358,7 @@ dwarf2_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind dwarf2_frame_unwind =
{
NORMAL_FRAME,
dwarf2_frame_unwind_stop_reason,
dwarf2_frame_this_id,
dwarf2_frame_prev_register,
NULL,
@ -1330,6 +1368,7 @@ static const struct frame_unwind dwarf2_frame_unwind =
static const struct frame_unwind dwarf2_signal_frame_unwind =
{
SIGTRAMP_FRAME,
dwarf2_frame_unwind_stop_reason,
dwarf2_frame_this_id,
dwarf2_frame_prev_register,
NULL,

37
gdb/frame-unwind.c
View File

@ -25,7 +25,7 @@
#include "inline-frame.h"
#include "value.h"
#include "regcache.h"
#include "exceptions.h"
#include "gdb_assert.h"
#include "gdb_obstack.h"
@ -103,14 +103,31 @@ frame_unwind_find_by_frame (struct frame_info *this_frame, void **this_cache)
for (entry = table->list; entry != NULL; entry = entry->next)
{
struct cleanup *old_cleanup;
volatile struct gdb_exception ex;
int res = 0;
old_cleanup = frame_prepare_for_sniffer (this_frame, entry->unwinder);
if (entry->unwinder->sniffer (entry->unwinder, this_frame,
this_cache))
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
discard_cleanups (old_cleanup);
return;
res = entry->unwinder->sniffer (entry->unwinder, this_frame,
this_cache);
}
if (ex.reason < 0 && ex.error == NOT_AVAILABLE_ERROR)
{
/* This usually means that not even the PC is available,
thus most unwinders aren't able to determine if they're
the best fit. Keep trying. Fallback prologue unwinders
should always accept the frame. */
}
else if (ex.reason < 0)
throw_exception (ex);
else if (res)
{
discard_cleanups (old_cleanup);
return;
}
do_cleanups (old_cleanup);
}
internal_error (__FILE__, __LINE__, _("frame_unwind_find_by_frame failed"));
@ -127,6 +144,16 @@ default_frame_sniffer (const struct frame_unwind *self,
return 1;
}
/* A default frame unwinder stop_reason callback that always claims
the frame is unwindable. */
enum unwind_stop_reason
default_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
return UNWIND_NO_REASON;
}
/* Helper functions for value-based register unwinding. These return
a (possibly lazy) value of the appropriate type. */

11
gdb/frame-unwind.h
View File

@ -51,6 +51,9 @@ typedef int (frame_sniffer_ftype) (const struct frame_unwind *self,
struct frame_info *this_frame,
void **this_prologue_cache);
typedef enum unwind_stop_reason (frame_unwind_stop_reason_ftype)
(struct frame_info *this_frame, void **this_prologue_cache);
/* A default frame sniffer which always accepts the frame. Used by
fallback prologue unwinders. */
@ -58,6 +61,13 @@ int default_frame_sniffer (const struct frame_unwind *self,
struct frame_info *this_frame,
void **this_prologue_cache);
/* A default stop_reason callback which always claims the frame is
unwindable. */
enum unwind_stop_reason
default_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache);
/* Assuming the frame chain: (outer) prev <-> this <-> next (inner);
use THIS frame, and through it the NEXT frame's register unwind
method, to determine the frame ID of THIS frame.
@ -136,6 +146,7 @@ struct frame_unwind
enum frame_type type;
/* Should an attribute indicating the frame's address-in-block go
here? */
frame_unwind_stop_reason_ftype *stop_reason;
frame_this_id_ftype *this_id;
frame_prev_register_ftype *prev_register;
const struct frame_data *unwind_data;

18
gdb/frame.c
View File

@ -912,6 +912,12 @@ frame_unwind_register (struct frame_info *frame, int regnum, gdb_byte *buf)
frame_register_unwind (frame, regnum, &optimized, &unavailable,
&lval, &addr, &realnum, buf);
if (optimized)
error (_("Register %d was optimized out"), regnum);
if (unavailable)
throw_error (NOT_AVAILABLE_ERROR,
_("Register %d is not available"), regnum);
}
void
@ -1607,6 +1613,15 @@ get_prev_frame_1 (struct frame_info *this_frame)
if (get_frame_type (this_frame) == INLINE_FRAME)
return get_prev_frame_raw (this_frame);
/* Check that this frame is unwindable. If it isn't, don't try to
unwind to the prev frame. */
this_frame->stop_reason
= this_frame->unwind->stop_reason (this_frame,
&this_frame->prologue_cache);
if (this_frame->stop_reason != UNWIND_NO_REASON)
return NULL;
/* Check that this frame's ID was valid. If it wasn't, don't try to
unwind to the prev frame. Be careful to not apply this test to
the sentinel frame. */
@ -2333,6 +2348,9 @@ frame_stop_reason_string (enum unwind_stop_reason reason)
case UNWIND_NULL_ID:
return _("unwinder did not report frame ID");
case UNWIND_UNAVAILABLE:
return _("Not enough registers or memory available to unwind further");
case UNWIND_INNER_ID:
return _("previous frame inner to this frame (corrupt stack?)");

7
gdb/frame.h
View File

@ -457,12 +457,19 @@ enum unwind_stop_reason
error. But that's a project for another day. */
UNWIND_NULL_ID,
/* This frame is the outermost. */
UNWIND_OUTERMOST,
/* All the conditions after this point are considered errors;
abnormal stack termination. If a backtrace stops for one
of these reasons, we'll let the user know. This marker
is not a valid stop reason. */
UNWIND_FIRST_ERROR,
/* Can't unwind further, because that would require knowing the
values of registers or memory that haven't been collected. */
UNWIND_UNAVAILABLE,
/* This frame ID looks like it ought to belong to a NEXT frame,
but we got it for a PREV frame. Normally, this is a sign of
unwinder failure. It could also indicate stack corruption. */

1
gdb/frv-linux-tdep.c
View File

@ -336,6 +336,7 @@ frv_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind frv_linux_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
frv_linux_sigtramp_frame_this_id,
frv_linux_sigtramp_frame_prev_register,
NULL,

1
gdb/frv-tdep.c
View File

@ -1494,6 +1494,7 @@ frv_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind frv_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
frv_frame_this_id,
frv_frame_prev_register,
NULL,

1
gdb/h8300-tdep.c
View File

@ -526,6 +526,7 @@ h8300_frame_prev_register (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind h8300_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
h8300_frame_this_id,
h8300_frame_prev_register,
NULL,

1
gdb/hppa-hpux-tdep.c
View File

@ -753,6 +753,7 @@ hppa_hpux_sigtramp_unwind_sniffer (const struct frame_unwind *self,
static const struct frame_unwind hppa_hpux_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
hppa_hpux_sigtramp_frame_this_id,
hppa_hpux_sigtramp_frame_prev_register,
NULL,

1
gdb/hppa-linux-tdep.c
View File

@ -314,6 +314,7 @@ hppa_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind hppa_linux_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
hppa_linux_sigtramp_frame_this_id,
hppa_linux_sigtramp_frame_prev_register,
NULL,

3
gdb/hppa-tdep.c
View File

@ -2225,6 +2225,7 @@ hppa_frame_unwind_sniffer (const struct frame_unwind *self,
static const struct frame_unwind hppa_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
hppa_frame_this_id,
hppa_frame_prev_register,
NULL,
@ -2335,6 +2336,7 @@ hppa_fallback_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind hppa_fallback_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
hppa_fallback_frame_this_id,
hppa_fallback_frame_prev_register,
NULL,
@ -2431,6 +2433,7 @@ hppa_stub_unwind_sniffer (const struct frame_unwind *self,
static const struct frame_unwind hppa_stub_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
hppa_stub_frame_this_id,
hppa_stub_frame_prev_register,
NULL,

193
gdb/i386-tdep.c
View File

@ -45,7 +45,7 @@
#include "dis-asm.h"
#include "disasm.h"
#include "remote.h"
#include "exceptions.h"
#include "gdb_assert.h"
#include "gdb_string.h"
@ -804,6 +804,7 @@ struct i386_frame_cache
{
/* Base address. */
CORE_ADDR base;
int base_p;
LONGEST sp_offset;
CORE_ADDR pc;
@ -828,6 +829,7 @@ i386_alloc_frame_cache (void)
cache = FRAME_OBSTACK_ZALLOC (struct i386_frame_cache);
/* Base address. */
cache->base_p = 0;
cache->base = 0;
cache->sp_offset = -4;
cache->pc = 0;
@ -1608,20 +1610,16 @@ i386_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
/* Normal frames. */
static struct i386_frame_cache *
i386_frame_cache (struct frame_info *this_frame, void **this_cache)
static void
i386_frame_cache_1 (struct frame_info *this_frame,
struct i386_frame_cache *cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct i386_frame_cache *cache;
gdb_byte buf[4];
int i;
if (*this_cache)
return *this_cache;
cache = i386_alloc_frame_cache ();
*this_cache = cache;
cache->pc = get_frame_func (this_frame);
/* In principle, for normal frames, %ebp holds the frame pointer,
which holds the base address for the current stack frame.
@ -1635,23 +1633,15 @@ i386_frame_cache (struct frame_info *this_frame, void **this_cache)
get_frame_register (this_frame, I386_EBP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 4, byte_order);
if (cache->base == 0)
return cache;
return;
/* For normal frames, %eip is stored at 4(%ebp). */
cache->saved_regs[I386_EIP_REGNUM] = 4;
cache->pc = get_frame_func (this_frame);
if (cache->pc != 0)
i386_analyze_prologue (gdbarch, cache->pc, get_frame_pc (this_frame),
cache);
if (cache->saved_sp_reg != -1)
{
/* Saved stack pointer has been saved. */
get_frame_register (this_frame, cache->saved_sp_reg, buf);
cache->saved_sp = extract_unsigned_integer (buf, 4, byte_order);
}
if (cache->locals < 0)
{
/* We didn't find a valid frame, which means that CACHE->base
@ -1664,6 +1654,10 @@ i386_frame_cache (struct frame_info *this_frame, void **this_cache)
if (cache->saved_sp_reg != -1)
{
/* Saved stack pointer has been saved. */
get_frame_register (this_frame, cache->saved_sp_reg, buf);
cache->saved_sp = extract_unsigned_integer (buf, 4, byte_order);
/* We're halfway aligning the stack. */
cache->base = ((cache->saved_sp - 4) & 0xfffffff0) - 4;
cache->saved_regs[I386_EIP_REGNUM] = cache->saved_sp - 4;
@ -1691,9 +1685,17 @@ i386_frame_cache (struct frame_info *this_frame, void **this_cache)
cache->saved_regs[I386_EBP_REGNUM] = 0;
}
if (cache->saved_sp_reg != -1)
{
/* Saved stack pointer has been saved (but the SAVED_SP_REG
register may be unavailable). */
if (cache->saved_sp == 0
&& frame_register_read (this_frame, cache->saved_sp_reg, buf))
cache->saved_sp = extract_unsigned_integer (buf, 4, byte_order);
}
/* Now that we have the base address for the stack frame we can
calculate the value of %esp in the calling frame. */
if (cache->saved_sp == 0)
else if (cache->saved_sp == 0)
cache->saved_sp = cache->base + 8;
/* Adjust all the saved registers such that they contain addresses
@ -1702,6 +1704,28 @@ i386_frame_cache (struct frame_info *this_frame, void **this_cache)
if (cache->saved_regs[i] != -1)
cache->saved_regs[i] += cache->base;
cache->base_p = 1;
}
static struct i386_frame_cache *
i386_frame_cache (struct frame_info *this_frame, void **this_cache)
{
volatile struct gdb_exception ex;
struct i386_frame_cache *cache;
if (*this_cache)
return *this_cache;
cache = i386_alloc_frame_cache ();
*this_cache = cache;
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
i386_frame_cache_1 (this_frame, cache);
}
if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
throw_exception (ex);
return cache;
}
@ -1719,6 +1743,22 @@ i386_frame_this_id (struct frame_info *this_frame, void **this_cache,
(*this_id) = frame_id_build (cache->base + 8, cache->pc);
}
static enum unwind_stop_reason
i386_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct i386_frame_cache *cache = i386_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return UNWIND_UNAVAILABLE;
/* This marks the outermost frame. */
if (cache->base == 0)
return UNWIND_OUTERMOST;
return UNWIND_NO_REASON;
}
static struct value *
i386_frame_prev_register (struct frame_info *this_frame, void **this_cache,
int regnum)
@ -1758,8 +1798,18 @@ i386_frame_prev_register (struct frame_info *this_frame, void **this_cache,
if (regnum == I386_EIP_REGNUM && cache->pc_in_eax)
return frame_unwind_got_register (this_frame, regnum, I386_EAX_REGNUM);
if (regnum == I386_ESP_REGNUM && cache->saved_sp)
return frame_unwind_got_constant (this_frame, regnum, cache->saved_sp);
if (regnum == I386_ESP_REGNUM)
{
/* If the SP has been saved, but we don't know where, then this
means that SAVED_SP_REG register was found unavailable back
when we built the cache. */
if (cache->saved_sp == 0 && cache->saved_sp_reg != -1)
return frame_unwind_got_register (this_frame, regnum,
cache->saved_sp_reg);
else
return frame_unwind_got_constant (this_frame, regnum,
cache->saved_sp);
}
if (regnum < I386_NUM_SAVED_REGS && cache->saved_regs[regnum] != -1)
return frame_unwind_got_memory (this_frame, regnum,
@ -1771,6 +1821,7 @@ i386_frame_prev_register (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind i386_frame_unwind =
{
NORMAL_FRAME,
i386_frame_unwind_stop_reason,
i386_frame_this_id,
i386_frame_prev_register,
NULL,
@ -1814,6 +1865,7 @@ i386_epilogue_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
volatile struct gdb_exception ex;
struct i386_frame_cache *cache;
gdb_byte buf[4];
@ -1823,23 +1875,43 @@ i386_epilogue_frame_cache (struct frame_info *this_frame, void **this_cache)
cache = i386_alloc_frame_cache ();
*this_cache = cache;
/* Cache base will be %esp plus cache->sp_offset (-4). */
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 4,
byte_order) + cache->sp_offset;
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
/* Cache base will be %esp plus cache->sp_offset (-4). */
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 4,
byte_order) + cache->sp_offset;
/* Cache pc will be the frame func. */
cache->pc = get_frame_pc (this_frame);
/* Cache pc will be the frame func. */
cache->pc = get_frame_pc (this_frame);
/* The saved %esp will be at cache->base plus 8. */
cache->saved_sp = cache->base + 8;
/* The saved %esp will be at cache->base plus 8. */
cache->saved_sp = cache->base + 8;
/* The saved %eip will be at cache->base plus 4. */
cache->saved_regs[I386_EIP_REGNUM] = cache->base + 4;
/* The saved %eip will be at cache->base plus 4. */
cache->saved_regs[I386_EIP_REGNUM] = cache->base + 4;
cache->base_p = 1;
}
if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
throw_exception (ex);
return cache;
}
static enum unwind_stop_reason
i386_epilogue_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct i386_frame_cache *cache
= i386_epilogue_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return UNWIND_UNAVAILABLE;
return UNWIND_NO_REASON;
}
static void
i386_epilogue_frame_this_id (struct frame_info *this_frame,
void **this_cache,
@ -1848,12 +1920,16 @@ i386_epilogue_frame_this_id (struct frame_info *this_frame,
struct i386_frame_cache *cache = i386_epilogue_frame_cache (this_frame,
this_cache);
if (!cache->base_p)
return;
(*this_id) = frame_id_build (cache->base + 8, cache->pc);
}
static const struct frame_unwind i386_epilogue_frame_unwind =
{
NORMAL_FRAME,
i386_epilogue_frame_unwind_stop_reason,
i386_epilogue_frame_this_id,
i386_frame_prev_register,
NULL,
@ -1869,6 +1945,7 @@ i386_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
volatile struct gdb_exception ex;
struct i386_frame_cache *cache;
CORE_ADDR addr;
gdb_byte buf[4];
@ -1878,30 +1955,50 @@ i386_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
cache = i386_alloc_frame_cache ();
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 4, byte_order) - 4;
addr = tdep->sigcontext_addr (this_frame);
if (tdep->sc_reg_offset)
TRY_CATCH (ex, RETURN_MASK_ERROR)
{
int i;
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 4, byte_order) - 4;
gdb_assert (tdep->sc_num_regs <= I386_NUM_SAVED_REGS);
addr = tdep->sigcontext_addr (this_frame);
if (tdep->sc_reg_offset)
{
int i;
for (i = 0; i < tdep->sc_num_regs; i++)
if (tdep->sc_reg_offset[i] != -1)
cache->saved_regs[i] = addr + tdep->sc_reg_offset[i];
}
else
{
cache->saved_regs[I386_EIP_REGNUM] = addr + tdep->sc_pc_offset;
cache->saved_regs[I386_ESP_REGNUM] = addr + tdep->sc_sp_offset;
gdb_assert (tdep->sc_num_regs <= I386_NUM_SAVED_REGS);
for (i = 0; i < tdep->sc_num_regs; i++)
if (tdep->sc_reg_offset[i] != -1)
cache->saved_regs[i] = addr + tdep->sc_reg_offset[i];
}
else
{
cache->saved_regs[I386_EIP_REGNUM] = addr + tdep->sc_pc_offset;
cache->saved_regs[I386_ESP_REGNUM] = addr + tdep->sc_sp_offset;
}
cache->base_p = 1;
}
if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR)
throw_exception (ex);
*this_cache = cache;
return cache;
}
static enum unwind_stop_reason
i386_sigtramp_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache)
{
struct i386_frame_cache *cache =
i386_sigtramp_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return UNWIND_UNAVAILABLE;
return UNWIND_NO_REASON;
}
static void
i386_sigtramp_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
@ -1909,6 +2006,9 @@ i386_sigtramp_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct i386_frame_cache *cache =
i386_sigtramp_frame_cache (this_frame, this_cache);
if (!cache->base_p)
return;
/* See the end of i386_push_dummy_call. */
(*this_id) = frame_id_build (cache->base + 8, get_frame_pc (this_frame));
}
@ -1956,6 +2056,7 @@ i386_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind i386_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
i386_sigtramp_frame_unwind_stop_reason,
i386_sigtramp_frame_this_id,
i386_sigtramp_frame_prev_register,
NULL,

1
gdb/i386obsd-tdep.c
View File

@ -434,6 +434,7 @@ static const struct frame_unwind i386obsd_trapframe_unwind = {
frame, but SIGTRAMP_FRAME would print <signal handler called>,
which really is not what we want here. */
NORMAL_FRAME,
default_frame_unwind_stop_reason,
i386obsd_trapframe_this_id,
i386obsd_trapframe_prev_register,
NULL,

4
gdb/ia64-tdep.c
View File

@ -2175,6 +2175,7 @@ ia64_frame_prev_register (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind ia64_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
&ia64_frame_this_id,
&ia64_frame_prev_register,
NULL,
@ -2366,6 +2367,7 @@ ia64_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind ia64_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
ia64_sigtramp_frame_this_id,
ia64_sigtramp_frame_prev_register,
NULL,
@ -3051,6 +3053,7 @@ ia64_libunwind_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind ia64_libunwind_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
ia64_libunwind_frame_this_id,
ia64_libunwind_frame_prev_register,
NULL,
@ -3139,6 +3142,7 @@ ia64_libunwind_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind ia64_libunwind_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
ia64_libunwind_sigtramp_frame_this_id,
ia64_libunwind_sigtramp_frame_prev_register,
NULL,

1
gdb/inline-frame.c
View File

@ -260,6 +260,7 @@ inline_frame_sniffer (const struct frame_unwind *self,
const struct frame_unwind inline_frame_unwind = {
INLINE_FRAME,
default_frame_unwind_stop_reason,
inline_frame_this_id,
inline_frame_prev_register,
NULL,

1
gdb/iq2000-tdep.c
View File

@ -436,6 +436,7 @@ iq2000_frame_this_id (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind iq2000_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
iq2000_frame_this_id,
iq2000_frame_prev_register,
NULL,

1
gdb/lm32-tdep.c
View File

@ -496,6 +496,7 @@ lm32_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind lm32_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
lm32_frame_this_id,
lm32_frame_prev_register,
NULL,

1
gdb/m32c-tdep.c
View File

@ -1960,6 +1960,7 @@ m32c_prev_register (struct frame_info *this_frame,
static const struct frame_unwind m32c_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
m32c_this_id,
m32c_prev_register,
NULL,

1
gdb/m32r-linux-tdep.c
View File

@ -305,6 +305,7 @@ m32r_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind m32r_linux_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
m32r_linux_sigtramp_frame_this_id,
m32r_linux_sigtramp_frame_prev_register,
NULL,

1
gdb/m32r-tdep.c
View File

@ -876,6 +876,7 @@ m32r_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind m32r_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
m32r_frame_this_id,
m32r_frame_prev_register,
NULL,

1
gdb/m68hc11-tdep.c
View File

@ -949,6 +949,7 @@ m68hc11_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind m68hc11_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
m68hc11_frame_this_id,
m68hc11_frame_prev_register,
NULL,

1
gdb/m68k-tdep.c
View File

@ -976,6 +976,7 @@ m68k_frame_prev_register (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind m68k_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
m68k_frame_this_id,
m68k_frame_prev_register,
NULL,

1
gdb/m68klinux-tdep.c
View File

@ -328,6 +328,7 @@ m68k_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind m68k_linux_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
m68k_linux_sigtramp_frame_this_id,
m68k_linux_sigtramp_frame_prev_register,
NULL,

1
gdb/m88k-tdep.c
View File

@ -749,6 +749,7 @@ m88k_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind m88k_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
m88k_frame_this_id,
m88k_frame_prev_register,
NULL,

1
gdb/mep-tdep.c
View File

@ -2094,6 +2094,7 @@ mep_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind mep_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
mep_frame_this_id,
mep_frame_prev_register,
NULL,

1
gdb/microblaze-tdep.c
View File

@ -521,6 +521,7 @@ microblaze_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind microblaze_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
microblaze_frame_this_id,
microblaze_frame_prev_register,
NULL,

3
gdb/mips-tdep.c
View File

@ -2028,6 +2028,7 @@ mips_insn16_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind mips_insn16_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
mips_insn16_frame_this_id,
mips_insn16_frame_prev_register,
NULL,
@ -2381,6 +2382,7 @@ mips_insn32_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind mips_insn32_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
mips_insn32_frame_this_id,
mips_insn32_frame_prev_register,
NULL,
@ -2505,6 +2507,7 @@ mips_stub_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind mips_stub_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
mips_stub_frame_this_id,
mips_stub_frame_prev_register,
NULL,

1
gdb/mn10300-tdep.c
View File

@ -1174,6 +1174,7 @@ mn10300_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind mn10300_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
mn10300_frame_this_id,
mn10300_frame_prev_register,
NULL,

1
gdb/moxie-tdep.c
View File

@ -461,6 +461,7 @@ moxie_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind moxie_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
moxie_frame_this_id,
moxie_frame_prev_register,
NULL,

1
gdb/mt-tdep.c
View File

@ -1115,6 +1115,7 @@ mt_frame_base_address (struct frame_info *this_frame,
static const struct frame_unwind mt_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
mt_frame_this_id,
mt_frame_prev_register,
NULL,

1
gdb/ppc-linux-tdep.c
View File

@ -1472,6 +1472,7 @@ ppu2spu_dealloc_cache (struct frame_info *self, void *this_cache)
static const struct frame_unwind ppu2spu_unwind = {
ARCH_FRAME,
default_frame_unwind_stop_reason,
ppu2spu_this_id,
ppu2spu_prev_register,
NULL,

1
gdb/ppcobsd-tdep.c
View File

@ -239,6 +239,7 @@ ppcobsd_sigtramp_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind ppcobsd_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
ppcobsd_sigtramp_frame_this_id,
ppcobsd_sigtramp_frame_prev_register,
NULL,

1
gdb/rs6000-tdep.c
View File

@ -3319,6 +3319,7 @@ rs6000_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind rs6000_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
rs6000_frame_this_id,
rs6000_frame_prev_register,
NULL,

3
gdb/s390-tdep.c
View File

@ -1758,6 +1758,7 @@ s390_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind s390_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
s390_frame_this_id,
s390_frame_prev_register,
NULL,
@ -1841,6 +1842,7 @@ s390_stub_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind s390_stub_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
s390_stub_frame_this_id,
s390_stub_frame_prev_register,
NULL,
@ -2032,6 +2034,7 @@ s390_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind s390_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
s390_sigtramp_frame_this_id,
s390_sigtramp_frame_prev_register,
NULL,

1
gdb/score-tdep.c
View File

@ -1369,6 +1369,7 @@ score_prologue_prev_register (struct frame_info *this_frame,
static const struct frame_unwind score_prologue_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
score_prologue_this_id,
score_prologue_prev_register,
NULL,

6
gdb/sentinel-frame.c
View File

@ -51,9 +51,10 @@ sentinel_frame_prev_register (struct frame_info *this_frame,
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct frame_unwind_cache *cache = *this_prologue_cache;
struct value *value;
struct type *regtype = register_type (gdbarch, regnum);
/* Return the actual value. */
value = allocate_value (register_type (gdbarch, regnum));
value = allocate_value (regtype);
VALUE_LVAL (value) = lval_register;
VALUE_REGNUM (value) = regnum;
VALUE_FRAME_ID (value) = get_frame_id (this_frame);
@ -64,7 +65,7 @@ sentinel_frame_prev_register (struct frame_info *this_frame,
if (regcache_cooked_read (cache->regcache,
regnum,
value_contents_raw (value)) == REG_UNAVAILABLE)
mark_value_bytes_unavailable (value, 0, register_size (gdbarch, regnum));
mark_value_bytes_unavailable (value, 0, TYPE_LENGTH (regtype));
return value;
}
@ -92,6 +93,7 @@ sentinel_frame_prev_arch (struct frame_info *this_frame,
const struct frame_unwind sentinel_frame_unwind =
{
SENTINEL_FRAME,
default_frame_unwind_stop_reason,
sentinel_frame_this_id,
sentinel_frame_prev_register,
NULL,

1
gdb/sh-tdep.c
View File

@ -2635,6 +2635,7 @@ sh_frame_this_id (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind sh_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sh_frame_this_id,
sh_frame_prev_register,
NULL,

1
gdb/sh64-tdep.c
View File

@ -2437,6 +2437,7 @@ sh64_frame_this_id (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind sh64_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sh64_frame_this_id,
sh64_frame_prev_register,
NULL,

1
gdb/sparc-sol2-tdep.c
View File

@ -164,6 +164,7 @@ sparc32_sol2_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc32_sol2_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc32_sol2_sigtramp_frame_this_id,
sparc32_sol2_sigtramp_frame_prev_register,
NULL,

1
gdb/sparc-tdep.c
View File

@ -1031,6 +1031,7 @@ sparc32_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind sparc32_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sparc32_frame_this_id,
sparc32_frame_prev_register,
NULL,

1
gdb/sparc64-sol2-tdep.c
View File

@ -141,6 +141,7 @@ sparc64_sol2_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc64_sol2_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc64_sol2_sigtramp_frame_this_id,
sparc64_sol2_sigtramp_frame_prev_register,
NULL,

1
gdb/sparc64-tdep.c
View File

@ -562,6 +562,7 @@ sparc64_frame_prev_register (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind sparc64_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sparc64_frame_this_id,
sparc64_frame_prev_register,
NULL,

1
gdb/sparc64fbsd-tdep.c
View File

@ -202,6 +202,7 @@ sparc64fbsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc64fbsd_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc64fbsd_sigtramp_frame_this_id,
sparc64fbsd_sigtramp_frame_prev_register,
NULL,

1
gdb/sparc64nbsd-tdep.c
View File

@ -230,6 +230,7 @@ sparc64nbsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc64nbsd_sigcontext_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc64nbsd_sigcontext_frame_this_id,
sparc64nbsd_sigcontext_frame_prev_register,
NULL,

2
gdb/sparc64obsd-tdep.c
View File

@ -195,6 +195,7 @@ sparc64obsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc64obsd_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc64obsd_frame_this_id,
sparc64obsd_frame_prev_register,
NULL,
@ -277,6 +278,7 @@ sparc64obsd_trapframe_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc64obsd_trapframe_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
sparc64obsd_trapframe_this_id,
sparc64obsd_trapframe_prev_register,
NULL,

1
gdb/sparcnbsd-tdep.c
View File

@ -254,6 +254,7 @@ sparc32nbsd_sigcontext_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc32nbsd_sigcontext_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc32nbsd_sigcontext_frame_this_id,
sparc32nbsd_sigcontext_frame_prev_register,
NULL,

1
gdb/sparcobsd-tdep.c
View File

@ -139,6 +139,7 @@ sparc32obsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
static const struct frame_unwind sparc32obsd_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
sparc32obsd_sigtramp_frame_this_id,
sparc32obsd_sigtramp_frame_prev_register,
NULL,

2
gdb/spu-tdep.c
View File

@ -1082,6 +1082,7 @@ spu_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind spu_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
spu_frame_this_id,
spu_frame_prev_register,
NULL,
@ -1236,6 +1237,7 @@ spu2ppu_dealloc_cache (struct frame_info *self, void *this_cache)
static const struct frame_unwind spu2ppu_unwind = {
ARCH_FRAME,
default_frame_unwind_stop_reason,
spu2ppu_this_id,
spu2ppu_prev_register,
NULL,

1
gdb/v850-tdep.c
View File

@ -935,6 +935,7 @@ v850_frame_this_id (struct frame_info *this_frame, void **this_cache,
static const struct frame_unwind v850_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
v850_frame_this_id,
v850_frame_prev_register,
NULL,

1
gdb/vax-tdep.c
View File

@ -402,6 +402,7 @@ vax_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind vax_frame_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
vax_frame_this_id,
vax_frame_prev_register,
NULL,

1
gdb/vaxobsd-tdep.c
View File

@ -135,6 +135,7 @@ vaxobsd_sigtramp_frame_prev_register (struct frame_info *this_frame,
static const struct frame_unwind vaxobsd_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,
vaxobsd_sigtramp_frame_this_id,
vaxobsd_sigtramp_frame_prev_register,
NULL,

1
gdb/xstormy16-tdep.c
View File

@ -742,6 +742,7 @@ xstormy16_frame_base_address (struct frame_info *this_frame, void **this_cache)
static const struct frame_unwind xstormy16_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
xstormy16_frame_this_id,
xstormy16_frame_prev_register,
NULL,

1
gdb/xtensa-tdep.c
View File

@ -1549,6 +1549,7 @@ static const struct frame_unwind
xtensa_unwind =
{
NORMAL_FRAME,
default_frame_unwind_stop_reason,
xtensa_frame_this_id,
xtensa_frame_prev_register,
NULL,