diff options
Diffstat (limited to 'gdb/i387-tdep.c')
| -rw-r--r-- | gdb/i387-tdep.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c index 0e60a13..003818c 100644 --- a/gdb/i387-tdep.c +++ b/gdb/i387-tdep.c @@ -390,9 +390,11 @@ i387_supply_fsave (struct regcache *regcache, int regnum, const void *fsave) gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM); - /* Define I387_ST0_REGNUM such that we use the proper definitions - for REGCACHE's architecture. */ + /* Define I387_ST0_REGNUM and I387_NUM_XMM_REGS such that we use the + proper definitions for REGCACHE's architecture. */ + #define I387_ST0_REGNUM tdep->st0_regnum +#define I387_NUM_XMM_REGS tdep->num_xmm_regs for (i = I387_ST0_REGNUM; i < I387_XMM0_REGNUM; i++) if (regnum == -1 || regnum == i) @@ -419,7 +421,21 @@ i387_supply_fsave (struct regcache *regcache, int regnum, const void *fsave) else regcache_raw_supply (regcache, i, FSAVE_ADDR (regs, i)); } + + /* Provide dummy values for the SSE registers. */ + for (i = I387_XMM0_REGNUM; i < I387_MXCSR_REGNUM; i++) + if (regnum == -1 || regnum == i) + regcache_raw_supply (regcache, i, NULL); + if (regnum == -1 || regnum == I387_MXCSR_REGNUM) + { + char buf[4]; + + store_unsigned_integer (buf, 4, 0x1f80); + regcache_raw_supply (regcache, I387_MXCSR_REGNUM, buf); + } + #undef I387_ST0_REGNUM +#undef I387_NUM_XMM_REGS } /* Fill register REGNUM (if it is a floating-point register) in *FSAVE |