diff options
Diffstat (limited to 'gdb/x86-64-linux-nat.c')
| -rw-r--r-- | gdb/x86-64-linux-nat.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gdb/x86-64-linux-nat.c b/gdb/x86-64-linux-nat.c index 978df95..eb63566 100644 --- a/gdb/x86-64-linux-nat.c +++ b/gdb/x86-64-linux-nat.c @@ -558,6 +558,29 @@ static long debug_control_mirror; /* Record which address associates with which register. */ static CORE_ADDR address_lookup[DR_LASTADDR - DR_FIRSTADDR + 1]; +/* Return the address of register REGNUM. BLOCKEND is the value of + u.u_ar0, which should point to the registers. */ +CORE_ADDR +x86_64_register_u_addr (CORE_ADDR blockend, int regnum) +{ + struct user u; + CORE_ADDR fpstate; + CORE_ADDR ubase; + ubase = blockend; + if (IS_FP_REGNUM(regnum)) + { + fpstate = ubase + ((char *) &u.i387.st_space - (char *) &u); + return (fpstate + 16 * (regnum - FP0_REGNUM)); + } + else if (IS_SSE_REGNUM(regnum)) + { + fpstate = ubase + ((char *) &u.i387.xmm_space - (char *) &u); + return (fpstate + 16 * (regnum - XMM0_REGNUM)); + } + else + return (ubase + 8 * x86_64_regmap[regnum]); +} + void _initialize_x86_64_linux_nat (void) { |