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Supply MIPS_ZERO_REGNUM and MIPS_UNUSED_REGNUM (as zero). Idea stolen from 

mips-linux-tdep.c
This commit is contained in:
skrll 2012-11-03 15:06:55 +00:00
parent 2334c5671b
commit 70142c72b9
1 changed files with 15 additions and 2 deletions
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17
external/gpl3/gdb/dist/gdb/mipsnbsd-tdep.c vendored
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@ -83,15 +83,23 @@ mipsnbsd_supply_gregset (const struct regset *regset,
const void *gregs, size_t len)
{
size_t regsize = mips_isa_regsize (get_regcache_arch (regcache));
char zerobuf[MAX_REGISTER_SIZE];
const char *regs = gregs;
int i;
memset (zerobuf, 0, MAX_REGISTER_SIZE);
gdb_assert (len >= MIPSNBSD_NUM_GREGS * regsize);
for (i = 0; i <= MIPS_PC_REGNUM; i++)
{
if (regnum == i || regnum == -1)
regcache_raw_supply (regcache, i, regs + i * regsize);
{
if (i == MIPS_ZERO_REGNUM || i == MIPS_UNUSED_REGNUM)
regcache_raw_supply (regcache, i, zerobuf);
else
regcache_raw_supply (regcache, i, regs + i * regsize);
}
}
if (len >= (MIPSNBSD_NUM_GREGS + MIPSNBSD_NUM_FPREGS) * regsize)
@ -144,13 +152,18 @@ void
mipsnbsd_supply_reg (struct regcache *regcache, const char *regs, int regno)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
char zerobuf[MAX_REGISTER_SIZE];
int i;
memset (zerobuf, 0, MAX_REGISTER_SIZE);
for (i = 0; i <= gdbarch_pc_regnum (gdbarch); i++)
{
if (regno == i || regno == -1)
{
if (gdbarch_cannot_fetch_register (gdbarch, i))
if (i == MIPS_ZERO_REGNUM || i == MIPS_UNUSED_REGNUM)
regcache_raw_supply (regcache, i, zerobuf);
else if (gdbarch_cannot_fetch_register (gdbarch, i))
regcache_raw_supply (regcache, i, NULL);
else
regcache_raw_supply (regcache, i,