OpenE2K/binutils-gdb
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* sparc-tdep.c (sparc_supply_rwindow, sparc_collect_rwindow):

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Handle StackGhost in 64-bit code.
* sparc64-tdep.c (sparc64_frame_prev_register): Handle StackGhost.
This commit is contained in:
Mark Kettenis 2005-03-28 13:42:49 +00:00
parent 5810296be6
commit f700a3641b
3 changed files with 49 additions and 0 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2005-03-28 Mark Kettenis <kettenis@gnu.org>
* sparc-tdep.c (sparc_supply_rwindow, sparc_collect_rwindow):
Handle StackGhost in 64-bit code.
* sparc64-tdep.c (sparc64_frame_prev_register): Handle StackGhost.
2005-03-27 Christopher Faylor <cgf@timesys.com>
* win32-nat.c (handle_exception): Treat win32 routines which check for

20
gdb/sparc-tdep.c
View File

@ -1272,6 +1272,16 @@ sparc_supply_rwindow (struct regcache *regcache, CORE_ADDR sp, int regnum)
if (regnum == i || regnum == -1)
{
target_read_memory (sp + ((i - SPARC_L0_REGNUM) * 8), buf, 8);
/* Handle StackGhost. */
if (i == SPARC_I7_REGNUM)
{
ULONGEST wcookie = sparc_fetch_wcookie ();
ULONGEST i7 = extract_unsigned_integer (buf + offset, 8);
store_unsigned_integer (buf + offset, 8, i7 ^ wcookie);
}
regcache_raw_supply (regcache, i, buf);
}
}
@ -1330,6 +1340,16 @@ sparc_collect_rwindow (const struct regcache *regcache,
if (regnum == -1 || regnum == SPARC_SP_REGNUM || regnum == i)
{
regcache_raw_collect (regcache, i, buf);
/* Handle StackGhost. */
if (i == SPARC_I7_REGNUM)
{
ULONGEST wcookie = sparc_fetch_wcookie ();
ULONGEST i7 = extract_unsigned_integer (buf + offset, 8);
store_unsigned_integer (buf, 8, i7 ^ wcookie);
}
target_write_memory (sp + ((i - SPARC_L0_REGNUM) * 8), buf, 8);
}
}

23
gdb/sparc64-tdep.c
View File

@ -519,6 +519,29 @@ sparc64_frame_prev_register (struct frame_info *next_frame, void **this_cache,
return;
}
/* Handle StackGhost. */
{
ULONGEST wcookie = sparc_fetch_wcookie ();
if (wcookie != 0 && !cache->frameless_p && regnum == SPARC_I7_REGNUM)
{
*optimizedp = 0;
*lvalp = not_lval;
*addrp = 0;
*realnump = -1;
if (valuep)
{
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 8;
ULONGEST i7;
/* Read the value in from memory. */
i7 = get_frame_memory_unsigned (next_frame, addr, 8);
store_unsigned_integer (valuep, 8, i7 ^ wcookie);
}
return;
}
}
/* The previous frame's `local' and `in' registers have been saved
in the register save area. */
if (!cache->frameless_p