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* sparc-tdep.h (sparc_fetch_wcookie): New prototype.

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* sparcnbsd-tdep.c (sparc32nbsd_sigcontext_saved_regs): Handle
StackGhost.
This commit is contained in:
Mark Kettenis
2004-02-07 20:45:40 +00:00
parent 7d34766b6a
commit 1c80067325
3 changed files with 21 additions and 0 deletions
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14
gdb/sparcnbsd-tdep.c
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@@ -141,6 +141,20 @@ sparc32nbsd_sigcontext_saved_regs (struct frame_info *next_frame)
regnum <= SPARC_I7_REGNUM; regnum++, addr += 4)
saved_regs[regnum].addr = addr;
/* Handle StackGhost. */
{
ULONGEST wcookie = sparc_fetch_wcookie ();
if (wcookie != 0)
{
ULONGEST i7;
addr = saved_regs[SPARC_I7_REGNUM].addr;
i7 = get_frame_memory_unsigned (next_frame, addr, 4);
trad_frame_set_value (saved_regs, SPARC_I7_REGNUM, i7 ^ wcookie);
}
}
/* The floating-point registers are only saved if the EF bit in %prs
has been set. */