diff options
Diffstat (limited to 'gdb/i386bsd-nat.c')
| -rw-r--r-- | gdb/i386bsd-nat.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/gdb/i386bsd-nat.c b/gdb/i386bsd-nat.c index 16e0707..ac8a19b 100644 --- a/gdb/i386bsd-nat.c +++ b/gdb/i386bsd-nat.c @@ -81,6 +81,10 @@ static int i386bsd_r_reg_offset[] = so that we try PT_GETXMMREGS the first time around. */ static int have_ptrace_xmmregs = -1; #endif + +#ifdef PT_GETXSTATE_INFO +size_t i386bsd_xsave_len; +#endif /* Supply the general-purpose registers in GREGS, to REGCACHE. */ @@ -148,7 +152,24 @@ i386bsd_fetch_inferior_registers (struct target_ops *ops, struct fpreg fpregs; #ifdef HAVE_PT_GETXMMREGS char xmmregs[512]; +#endif + +#ifdef PT_GETXSTATE_INFO + if (i386bsd_xsave_len != 0) + { + char *xstateregs; + + xstateregs = alloca (i386bsd_xsave_len); + if (ptrace (PT_GETXSTATE, ptid_get_pid (inferior_ptid), + (PTRACE_TYPE_ARG3) xstateregs, 0) == -1) + perror_with_name (_("Couldn't get extended state status")); + i387_supply_xsave (regcache, -1, xstateregs); + return; + } +#endif + +#ifdef HAVE_PT_GETXMMREGS if (have_ptrace_xmmregs != 0 && ptrace(PT_GETXMMREGS, ptid_get_pid (inferior_ptid), (PTRACE_TYPE_ARG3) xmmregs, 0) == 0) @@ -158,18 +179,15 @@ i386bsd_fetch_inferior_registers (struct target_ops *ops, } else { + have_ptrace_xmmregs = 0; +#endif if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid), (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) perror_with_name (_("Couldn't get floating point status")); i387_supply_fsave (regcache, -1, &fpregs); +#ifdef HAVE_PT_GETXMMREGS } -#else - if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid), - (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) - perror_with_name (_("Couldn't get floating point status")); - - i387_supply_fsave (regcache, -1, &fpregs); #endif } } @@ -204,7 +222,28 @@ i386bsd_store_inferior_registers (struct target_ops *ops, struct fpreg fpregs; #ifdef HAVE_PT_GETXMMREGS char xmmregs[512]; +#endif + +#ifdef PT_GETXSTATE_INFO + if (i386bsd_xsave_len != 0) + { + char *xstateregs; + + xstateregs = alloca (i386bsd_xsave_len); + if (ptrace (PT_GETXSTATE, ptid_get_pid (inferior_ptid), + (PTRACE_TYPE_ARG3) xstateregs, 0) == -1) + perror_with_name (_("Couldn't get extended state status")); + i387_collect_xsave (regcache, -1, xstateregs, 0); + + if (ptrace (PT_SETXSTATE, ptid_get_pid (inferior_ptid), + (PTRACE_TYPE_ARG3) xstateregs, i386bsd_xsave_len) == -1) + perror_with_name (_("Couldn't write extended state status")); + return; + } +#endif + +#ifdef HAVE_PT_GETXMMREGS if (have_ptrace_xmmregs != 0 && ptrace(PT_GETXMMREGS, ptid_get_pid (inferior_ptid), (PTRACE_TYPE_ARG3) xmmregs, 0) == 0) |