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-rw-r--r--gdb/loongarch-tdep.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/gdb/loongarch-tdep.c b/gdb/loongarch-tdep.c
index 092127dd..d79ec68 100644
--- a/gdb/loongarch-tdep.c
+++ b/gdb/loongarch-tdep.c
@@ -74,7 +74,9 @@ loongarch_insn_is_cond_branch (insn_t insn)
|| (insn & 0xfc000000) == 0x68000000 /* bltu */
|| (insn & 0xfc000000) == 0x6c000000 /* bgeu */
|| (insn & 0xfc000000) == 0x40000000 /* beqz */
- || (insn & 0xfc000000) == 0x44000000) /* bnez */
+ || (insn & 0xfc000000) == 0x44000000 /* bnez */
+ || (insn & 0xfc000300) == 0x48000000 /* bceqz */
+ || (insn & 0xfc000300) == 0x48000100) /* bcnez */
return true;
return false;
}
@@ -314,6 +316,20 @@ loongarch_next_pc (struct regcache *regcache, CORE_ADDR cur_pc)
if (rj != 0)
next_pc = cur_pc + loongarch_decode_imm ("0:5|10:16<<2", insn, 1);
}
+ else if ((insn & 0xfc000300) == 0x48000000) /* bceqz cj, offs21 */
+ {
+ LONGEST cj = regcache_raw_get_signed (regcache,
+ loongarch_decode_imm ("5:3", insn, 0) + LOONGARCH_FIRST_FCC_REGNUM);
+ if (cj == 0)
+ next_pc = cur_pc + loongarch_decode_imm ("0:5|10:16<<2", insn, 1);
+ }
+ else if ((insn & 0xfc000300) == 0x48000100) /* bcnez cj, offs21 */
+ {
+ LONGEST cj = regcache_raw_get_signed (regcache,
+ loongarch_decode_imm ("5:3", insn, 0) + LOONGARCH_FIRST_FCC_REGNUM);
+ if (cj != 0)
+ next_pc = cur_pc + loongarch_decode_imm ("0:5|10:16<<2", insn, 1);
+ }
else if ((insn & 0xffff8000) == 0x002b0000) /* syscall */
{
if (tdep->syscall_next_pc != nullptr)