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| author | H.J. Lu <hjl.tools@gmail.com> | 2013-12-19 14:22:30 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2013-12-19 14:22:30 -0800 |
| commit | e85596e021d0c4246a4ea21885c52e91583c463e (patch) | |
| tree | 80b45087330044f895c71f6950008e61c66d8636 /gdb | |
| parent | 8ee5199a42ae43b3a9b349640b8a0e2125ede34f (diff) | |
| download | gdb-e85596e021d0c4246a4ea21885c52e91583c463e.zip gdb-e85596e021d0c4246a4ea21885c52e91583c463e.tar.gz gdb-e85596e021d0c4246a4ea21885c52e91583c463e.tar.bz2 | |
Zero-extend address from 32-bit to 64-bit for ADDR32 prefix
When there is ADDR32 prefix in 64-bit mode, we should zero-extend
address from 32-bit to 64-bit.
PR gdb/16304
* i386-tdep.c (i386_record_lea_modrm_addr): Zero-extend 32-bit
address to 64-bit in 64-bit mode.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/i386-tdep.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index c8cd42a..c12e907 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,6 +1,12 @@ 2013-12-19 H.J. Lu <hongjiu.lu@intel.com> PR gdb/16304 + * i386-tdep.c (i386_record_lea_modrm_addr): Zero-extend 32-bit + address to 64-bit in 64-bit mode. + +2013-12-19 H.J. Lu <hongjiu.lu@intel.com> + + PR gdb/16304 * amd64-linux-tdep.c (amd64_canonicalize_syscall): Handle x32 system calls. (amd64_x32_linux_record_tdep): New. diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index f876675..ff37851 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -4282,6 +4282,13 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr) else *addr = (uint32_t) (*addr + (offset64 << scale)); } + + if (!irp->aflag) + { + /* Since we are in 64-bit mode with ADDR32 prefix, zero-extend + address from 32-bit to 64-bit. */ + *addr = (uint32_t) *addr; + } } else { |