diff options
Diffstat (limited to 'gdb/arc-tdep.c')
| -rw-r--r-- | gdb/arc-tdep.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gdb/arc-tdep.c b/gdb/arc-tdep.c index 12d8aee..7dd43cc 100644 --- a/gdb/arc-tdep.c +++ b/gdb/arc-tdep.c @@ -466,6 +466,16 @@ arc_insn_get_branch_target (const struct arc_instruction &insn) instruction, hence last two bits should be truncated. */ return pcrel_addr + align_down (insn.address, 4); } + /* DBNZ is the only branch instruction that keeps a branch address in + the second operand. It must be intercepted and treated differently. */ + else if (insn.insn_class == DBNZ) + { + CORE_ADDR pcrel_addr = arc_insn_get_operand_value_signed (insn, 1); + + /* Offset is relative to the 4-byte aligned address of the current + instruction, hence last two bits should be truncated. */ + return pcrel_addr + align_down (insn.address, 4); + } /* B, Bcc, BL, BLcc, LP, LPcc: PC = currentPC + operand. */ else if (insn.insn_class == BRANCH || insn.insn_class == LOOP) { |