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opcodes: xtensa: display loaded literal value

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Display literal value loaded with l32r opcode as a part of disassembly.
This significantly simplifies reading of disassembly output.

2020-04-23  Max Filippov  <jcmvbkbc@gmail.com>
opcodes/
	* xtensa-dis.c (print_xtensa_operand): For PC-relative operand
	of l32r fetch and display referenced literal value.
This commit is contained in:
Max Filippov
2021-04-23 02:03:36 -07:00
parent c1cbb7d8a1
commit b3ea76397a
2 changed files with 24 additions and 1 deletions
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5
opcodes/ChangeLog
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@@ -1,3 +1,8 @@
2020-04-23 Max Filippov <jcmvbkbc@gmail.com>
* xtensa-dis.c (print_xtensa_operand): For PC-relative operand
of l32r fetch and display referenced literal value.
2021-04-23 Max Filippov <jcmvbkbc@gmail.com>
* xtensa-dis.c (print_insn_xtensa): Set info->bytes_per_chunk

20
opcodes/xtensa-dis.c
View File

@@ -194,7 +194,8 @@ print_xtensa_operand (bfd_vma memaddr,
unsigned operand_val)
{
xtensa_isa isa = xtensa_default_isa;
int signed_operand_val;
int signed_operand_val, status;
bfd_byte litbuf[4];
if (show_raw_fields)
{
@@ -216,6 +217,23 @@ print_xtensa_operand (bfd_vma memaddr,
&operand_val, memaddr);
info->target = operand_val;
(*info->print_address_func) (info->target, info);
/* Also display value loaded by L32R (but not if reloc exists,
those tend to be wrong): */
if ((info->flags & INSN_HAS_RELOC) == 0
&& !strcmp ("l32r", xtensa_opcode_name (isa, opc)))
status = (*info->read_memory_func) (operand_val, litbuf, 4, info);
else
status = -1;
if (status == 0)
{
unsigned literal = bfd_get_bits (litbuf, 32,
info->endian == BFD_ENDIAN_BIG);
(*info->fprintf_func) (info->stream, " (");
(*info->print_address_func) (literal, info);
(*info->fprintf_func) (info->stream, ")");
}
}
else
{