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2004-05-07 Randolph Chung <tausq@debian.org>

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* hppa-tdep.c (hppa_frame_prev_register_helper): New function to
	do common handling of the pcoqt register.
	(hppa_frame_prev_register, hppa_stub_frame_prev_register): Convert
	to use helper function.
	(hppa_frame_unwind_sniffer): Only use if unwind entry is present.
	(hppa_fallback_frame_cache, hppa_fallback_frame_this_id)
	(hppa_fallback_frame_prev_register, hppa_fallback_frame_unwind): New
	generic fallback unwinder when all else fails.
	(hppa_gdbarch_init): Add fallback sniffer.
	* hppa-tdep.h (hppa_frame_prev_register_helper): Prototype.
	* hppa-linux-tdep.c (hppa_linux_sigtramp_frame_prev_register): Convert
	to use helper function.
This commit is contained in:
Randolph Chung
2004-05-08 03:17:57 +00:00
parent b9ec757a56
commit 0da28f8a58
4 changed files with 167 additions and 61 deletions
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15
gdb/hppa-linux-tdep.c
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@@ -415,21 +415,12 @@ hppa_linux_sigtramp_frame_prev_register (struct frame_info *next_frame,
int regnum, int *optimizedp,
enum lval_type *lvalp,
CORE_ADDR *addrp,
int *realnump, void *bufferp)
int *realnump, void *valuep)
{
struct hppa_linux_sigtramp_unwind_cache *info
= hppa_linux_sigtramp_frame_unwind_cache (next_frame, this_prologue_cache);
int pcoqt = (regnum == HPPA_PCOQ_TAIL_REGNUM);
if (pcoqt)
regnum = HPPA_PCOQ_HEAD_REGNUM;
trad_frame_prev_register (next_frame, info->saved_regs, regnum,
optimizedp, lvalp, addrp, realnump, bufferp);
if (pcoqt)
store_unsigned_integer (bufferp, 4,
extract_unsigned_integer (bufferp, 4) + 4);
hppa_frame_prev_register_helper (next_frame, info->saved_regs, regnum,
optimizedp, lvalp, addrp, realnump, valuep);
}
static const struct frame_unwind hppa_linux_sigtramp_frame_unwind = {