diff options
Diffstat (limited to 'gdb/x86-64-tdep.c')
| -rw-r--r-- | gdb/x86-64-tdep.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c index 13fc5d2..39a02b0 100644 --- a/gdb/x86-64-tdep.c +++ b/gdb/x86-64-tdep.c @@ -1289,22 +1289,32 @@ x86_64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) bits of these pointers (instead of just the 16-bits of the segment selector). */ -/* Fill register REGNUM in GDB's register cache with the appropriate +/* The 64-bit FXSAVE format differs from the 32-bit format in the + sense that the instruction pointer and data pointer are simply + 64-bit offsets into the code segment and the data segment instead + of a selector offset pair. The functions below store the upper 32 + bits of these pointers (instead of just the 16-bits of the segment + selector). */ + +/* Fill register REGNUM in REGCACHE with the appropriate floating-point or SSE register value from *FXSAVE. If REGNUM is -1, do this for all registers. This function masks off any of the reserved bits in *FXSAVE. */ void -x86_64_supply_fxsave (const char *fxsave, int regnum) +x86_64_supply_fxsave (struct regcache *regcache, int regnum, + const void *fxsave) { - i387_supply_fxsave (fxsave, regnum); + i387_supply_fxsave (regcache, regnum, fxsave); if (fxsave) { + const char *regs = fxsave; + if (regnum == -1 || regnum == I387_FISEG_REGNUM) - supply_register (I387_FISEG_REGNUM, fxsave + 12); + regcache_raw_supply (regcache, I387_FISEG_REGNUM, regs + 12); if (regnum == -1 || regnum == I387_FOSEG_REGNUM) - supply_register (I387_FOSEG_REGNUM, fxsave + 20); + regcache_raw_supply (regcache, I387_FOSEG_REGNUM, regs + 20); } } |