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authorMax Filippov <jcmvbkbc@gmail.com>2023-01-02 22:56:28 -0800
committerMax Filippov <jcmvbkbc@gmail.com>2023-01-03 13:30:57 -0800
commite80512c8d89479cd53ead264e521f5fa4b714932 (patch)
tree880bd9a64a48ca9924b0f07dfdb21c218c5fbd98 /opcodes
parent39086586b7111c3f8480e763ad205b7f4de65ffe (diff)
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opcodes: xtensa: fix jump visualization for FLIX
opcodes/ * xtensa-dis.c (print_insn_xtensa): Add local variables insn_type, target and imm_pcrel to track control flow across multiple slots.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/xtensa-dis.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/opcodes/xtensa-dis.c b/opcodes/xtensa-dis.c
index 3631f7f..8017ec2 100644
--- a/opcodes/xtensa-dis.c
+++ b/opcodes/xtensa-dis.c
@@ -283,6 +283,8 @@ print_insn_xtensa (bfd_vma memaddr, struct disassemble_info *info)
static xtensa_insnbuf slot_buffer = NULL;
int first, first_slot, valid_insn;
property_table_entry *insn_block;
+ enum dis_insn_type insn_type;
+ bfd_vma target;
if (!xtensa_default_isa)
xtensa_default_isa = xtensa_isa_init (0, 0);
@@ -422,12 +424,13 @@ print_insn_xtensa (bfd_vma memaddr, struct disassemble_info *info)
if (nslots > 1)
(*info->fprintf_func) (info->stream, "{ ");
- info->insn_type = dis_nonbranch;
- info->insn_info_valid = 1;
-
+ insn_type = dis_nonbranch;
+ target = 0;
first_slot = 1;
for (n = 0; n < nslots; n++)
{
+ int imm_pcrel = 0;
+
if (first_slot)
first_slot = 0;
else
@@ -445,6 +448,8 @@ print_insn_xtensa (bfd_vma memaddr, struct disassemble_info *info)
info->insn_type = dis_branch;
else if (xtensa_opcode_is_call (isa, opc))
info->insn_type = dis_jsr;
+ else
+ info->insn_type = dis_nonbranch;
/* Print the operands (if any). */
noperands = xtensa_opcode_num_operands (isa, opc);
@@ -464,8 +469,20 @@ print_insn_xtensa (bfd_vma memaddr, struct disassemble_info *info)
slot_buffer, &operand_val);
print_xtensa_operand (memaddr, info, opc, i, operand_val);
+ if (xtensa_operand_is_PCrelative (isa, opc, i))
+ ++imm_pcrel;
+ }
+ if (!imm_pcrel)
+ info->insn_type = dis_nonbranch;
+ if (info->insn_type != dis_nonbranch)
+ {
+ insn_type = info->insn_type;
+ target = info->target;
}
}
+ info->insn_type = insn_type;
+ info->target = target;
+ info->insn_info_valid = 1;
if (nslots > 1)
(*info->fprintf_func) (info->stream, " }");