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opcodes: xtensa: fix jump visualization for FLIX

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opcodes/
	* xtensa-dis.c (print_insn_xtensa): Add local variables
	insn_type, target and imm_pcrel to track control flow across
	multiple slots.
This commit is contained in:
Max Filippov
2023-01-02 22:56:28 -08:00
parent 39086586b7
commit e80512c8d8
1 changed files with 20 additions and 3 deletions
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opcodes/xtensa-dis.c
+20 -3
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@@ -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, " }");