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binutils-gdb
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2012-07-20 Jeff Kenton <jkenton@tilera.com> 

* tilegx-linux-tdep.c (tilegx_linux_sigframe_init): Fix
	SIGTRAMP_FRAME unwinding.
This commit is contained in:
Pedro Alves 2012-07-20 17:54:06 +00:00
parent e615022aba
commit 3def0b3660
2 changed files with 17 additions and 2 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2012-07-20 Jeff Kenton <jkenton@tilera.com>
* tilegx-linux-tdep.c (tilegx_linux_sigframe_init): Fix
SIGTRAMP_FRAME unwinding.
2012-07-20 Doug Evans <dje@google.com>
* NEWS: Document new options "set/show use-deprecated-index-sections",

14
gdb/tilegx-linux-tdep.c
View File

@ -39,13 +39,23 @@ tilegx_linux_sigframe_init (const struct tramp_frame *self,
{
CORE_ADDR pc = get_frame_register_unsigned (this_frame, 64);
CORE_ADDR sp = get_frame_register_unsigned (this_frame, 54);
CORE_ADDR base = sp + 16;
/* Base address of register save area. */
CORE_ADDR base = sp
+ 16 /* Skip ABI_SAVE_AREA. */
+ 128 /* Skip SIGINFO. */
+ 40; /* Skip UCONTEXT. */
/* Address of saved LR register (R56) which holds previous PC. */
CORE_ADDR prev_pc = base + 56 * 8;
int i;
for (i = 0; i < 56; i++)
trad_frame_set_reg_addr (this_cache, i, base + i * 8);
trad_frame_set_reg_value (this_cache, 64, pc);
trad_frame_set_reg_value (this_cache, 64,
get_frame_memory_unsigned (this_frame, prev_pc, 8));
/* Save a frame ID. */
trad_frame_set_id (this_cache, frame_id_build (base, func));