diff options
Diffstat (limited to 'gdb/amd64-linux-nat.c')
| -rw-r--r-- | gdb/amd64-linux-nat.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/gdb/amd64-linux-nat.c b/gdb/amd64-linux-nat.c index dca3d0a..b1676ac 100644 --- a/gdb/amd64-linux-nat.c +++ b/gdb/amd64-linux-nat.c @@ -100,7 +100,9 @@ static int amd64_linux_gregset32_reg_offset[] = -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - ORIG_RAX * 8 /* "orig_eax" */ + -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */ + -1, -1, /* MPX registers BNDCFGU, BNDSTATUS. */ + ORIG_RAX * 8, /* "orig_eax" */ }; @@ -1094,18 +1096,41 @@ amd64_linux_read_description (struct target_ops *ops) } /* Check the native XCR0 only if PTRACE_GETREGSET is available. */ - if (have_ptrace_getregset - && (xcr0 & I386_XSTATE_AVX_MASK) == I386_XSTATE_AVX_MASK) + if (have_ptrace_getregset && (xcr0 & I386_XSTATE_ALL_MASK)) { - if (is_64bit) + switch (xcr0 & I386_XSTATE_ALL_MASK) { - if (is_x32) - return tdesc_x32_avx_linux; + case I386_XSTATE_MPX_MASK: + if (is_64bit) + { + if (is_x32) + return tdesc_x32_avx_linux; /* No MPX on x32 using AVX. */ + else + return tdesc_amd64_mpx_linux; + } + else + return tdesc_i386_mpx_linux; + case I386_XSTATE_AVX_MASK: + if (is_64bit) + { + if (is_x32) + return tdesc_x32_avx_linux; + else + return tdesc_amd64_avx_linux; + } + else + return tdesc_i386_avx_linux; + default: + if (is_64bit) + { + if (is_x32) + return tdesc_x32_linux; + else + return tdesc_amd64_linux; + } else - return tdesc_amd64_avx_linux; + return tdesc_i386_linux; } - else - return tdesc_i386_avx_linux; } else { |