diff options
Diffstat (limited to 'gdb/amd64-nat.c')
| -rw-r--r-- | gdb/amd64-nat.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gdb/amd64-nat.c b/gdb/amd64-nat.c index 81a87b6..1efe47a 100644 --- a/gdb/amd64-nat.c +++ b/gdb/amd64-nat.c @@ -24,6 +24,7 @@ #include "regcache.h" #include "gdb_assert.h" +#include "gdb_string.h" #include "i386-tdep.h" #include "amd64-tdep.h" @@ -128,7 +129,17 @@ amd64_collect_native_gregset (const struct regcache *regcache, int i; if (gdbarch_ptr_bit (gdbarch) == 32) - num_regs = amd64_native_gregset32_num_regs; + { + num_regs = amd64_native_gregset32_num_regs; + + /* Make sure %eax, %ebx, %ecx, %edx, %esi, %edi, %ebp, %esp and + %eip get zero-extended to 64 bits. */ + for (i = 0; i <= I386_EIP_REGNUM; i++) + { + if (regnum == -1 || regnum == i) + memset (regs + amd64_native_gregset_reg_offset (i), 0, 8); + } + } if (num_regs > NUM_REGS) num_regs = NUM_REGS; |