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binutils-gdb
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* config/alpha/tm-alpha.h (EXTRA_FRAME_INFO): Add pc_reg field. 

(SKIP_TRAMPOLINE_CODE):  Define.
	* alpha-tdep.c (alpha_frame_saved_pc):  Use pc_reg field from
	frame to find the saved pc register.
	(alpha_saved_pc_after_call):  Skip over shared library trampoline
	before trying to find the saved pc register.
	(find_proc_desc):  Copy PROC_PC_REG from found proc_desc
	to heuristic proc_desc.
	(init_extra_frame_info):  Initialize pc_reg field in frame.
This commit is contained in:
Peter Schauer 1995-08-03 09:17:51 +00:00
parent 949e2bbf44
commit adbe434b92
2 changed files with 33 additions and 8 deletions
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12
gdb/ChangeLog
View File

@ -1,3 +1,15 @@
Thu Aug 3 01:38:45 1995 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* config/alpha/tm-alpha.h (EXTRA_FRAME_INFO): Add pc_reg field.
(SKIP_TRAMPOLINE_CODE): Define.
* alpha-tdep.c (alpha_frame_saved_pc): Use pc_reg field from
frame to find the saved pc register.
(alpha_saved_pc_after_call): Skip over shared library trampoline
before trying to find the saved pc register.
(find_proc_desc): Copy PROC_PC_REG from found proc_desc
to heuristic proc_desc.
(init_extra_frame_info): Initialize pc_reg field in frame.
Wed Aug 2 18:00:36 1995 Stan Shebs <shebs@andros.cygnus.com>
* configure.in (m68*-est-*): Use monitor target config.

29
gdb/alpha-tdep.c
View File

@ -260,8 +260,7 @@ alpha_frame_saved_pc(frame)
alpha_extra_func_info_t proc_desc = frame->proc_desc;
/* We have to get the saved pc from the sigcontext
if it is a signal handler frame. */
int pcreg = frame->signal_handler_caller ? PC_REGNUM
: (proc_desc ? PROC_PC_REG(proc_desc) : RA_REGNUM);
int pcreg = frame->signal_handler_caller ? PC_REGNUM : frame->pc_reg;
if (proc_desc && PROC_DESC_IS_DUMMY(proc_desc))
return read_memory_integer(frame->frame - 8, 8);
@ -273,8 +272,18 @@ CORE_ADDR
alpha_saved_pc_after_call (frame)
struct frame_info *frame;
{
alpha_extra_func_info_t proc_desc = find_proc_desc (frame->pc, frame->next);
int pcreg = proc_desc ? PROC_PC_REG (proc_desc) : RA_REGNUM;
CORE_ADDR pc = frame->pc;
CORE_ADDR tmp;
alpha_extra_func_info_t proc_desc;
int pcreg;
/* Skip over shared library trampoline if necessary. */
tmp = SKIP_TRAMPOLINE_CODE (pc);
if (tmp != 0)
pc = tmp;
proc_desc = find_proc_desc (pc, frame->next);
pcreg = proc_desc ? PROC_PC_REG (proc_desc) : RA_REGNUM;
return read_register (pcreg);
}
@ -530,6 +539,7 @@ find_proc_desc (pc, next_frame)
{
PROC_LOCALOFF (found_heuristic) =
PROC_LOCALOFF (proc_desc);
PROC_PC_REG (found_heuristic) = PROC_PC_REG (proc_desc);
proc_desc = found_heuristic;
}
}
@ -613,13 +623,16 @@ init_extra_frame_info (frame)
frame->next ? cached_proc_desc : find_proc_desc(frame->pc, frame->next);
frame->saved_regs = NULL;
frame->proc_desc =
proc_desc == &temp_proc_desc ? 0 : proc_desc;
frame->localoff = 0;
frame->pc_reg = RA_REGNUM;
frame->proc_desc = proc_desc == &temp_proc_desc ? 0 : proc_desc;
if (proc_desc)
{
/* Get the locals offset from the procedure descriptor, it is valid
even if we are in the middle of the prologue. */
/* Get the locals offset and the saved pc register from the
procedure descriptor, they are valid even if we are in the
middle of the prologue. */
frame->localoff = PROC_LOCALOFF(proc_desc);
frame->pc_reg = PROC_PC_REG(proc_desc);
/* Fixup frame-pointer - only needed for top frame */