espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-27 22:48:57 +08:00
Code Issues Packages Projects Releases Wiki Activity

[AArch64] Fix incorrect mask when decoding b.cond instruction

Browse Source 
The encoding of the b.cond instruction is described in the architecture
reference manual as:

b.cond  0101 0100 iiii iiii iiii iiii iii0 cccc

So the mask should be 0xff000010.

gdb/ChangeLog:

	* aarch64-tdep.c (decode_bcond): Fix incorrect mask.
This commit is contained in:
Pierre Langlois
2015-09-11 16:47:20 +01:00
parent 6dcaef99fa
commit 4d50586db7
2 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
gdb/ChangeLog
View File

@ -1,3 +1,7 @@
2015-09-11 Pierre Langlois <pierre.langlois@arm.com>
* aarch64-tdep.c (decode_bcond): Fix incorrect mask.
2015-09-11 Mihail-Marian Nistor <mihail.nistor@freescale.com>
PR gdb/18947

3
gdb/aarch64-tdep.c
View File

@ -339,7 +339,8 @@ decode_b (CORE_ADDR addr, uint32_t insn, int *is_bl, int32_t *offset)
static int
decode_bcond (CORE_ADDR addr, uint32_t insn, unsigned *cond, int32_t *offset)
{
if (decode_masked_match (insn, 0xfe000000, 0x54000000))
/* b.cond 0101 0100 iiii iiii iiii iiii iii0 cccc */
if (decode_masked_match (insn, 0xff000010, 0x54000000))
{
*cond = (insn >> 0) & 0xf;
*offset = extract_signed_bitfield (insn, 19, 5) << 2;