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| author | Jens Remus <jremus@linux.ibm.com> | 2023-12-20 11:34:15 +0100 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.ibm.com> | 2023-12-20 11:50:32 +0100 |
| commit | f96fe7f454bdd077abec2acc415f546bb5646189 (patch) | |
| tree | ee9abf7a8ffe9b9d36236bab978e8a9da980062e /binutils | |
| parent | a3fa108623c51846ff019fbcba9f483897d6f5f7 (diff) | |
| download | gdb-f96fe7f454bdd077abec2acc415f546bb5646189.zip gdb-f96fe7f454bdd077abec2acc415f546bb5646189.tar.gz gdb-f96fe7f454bdd077abec2acc415f546bb5646189.tar.bz2 | |
s390: Optionally print instruction description in disassembly
Print instruction description as comment in disassembly with s390
architecture specific option "insndesc":
- For objdump it can be enabled with option "-M insndesc"
- In gdb it can be enabled with "set disassembler-options insndesc"
Since comments are not column aligned the output can enhanced for
readability by postprocessing using a filter such as "expand":
... | expand -t 8,16,24,32,40,80
Or when using in combination with objdump option --visualize-jumps:
... | expand | sed -e 's/ *#/\t#/' | expand -t 1,80
Note that the instruction descriptions add about 128 KB to s390-opc.o:
s390-opc.o without instruction descriptions: 216368 bytes
s390-opc.o with instruction descriptions : 348432 bytes
binutils/
* NEWS: Mention new s390-specific disassembler option
"insndesc".
include/
* opcode/s390.h (struct s390_opcode): Add field to hold
instruction description.
opcodes/
* s390-mkopc.c: Copy instruction description from s390-opc.txt
into generated operation code table s390-opc.tab.
* s390-opc.c (s390_opformats): Provide NULL as description in
.insn pseudo-mnemonics opcode table.
* s390-dis.c: Add s390-specific disassembler option "insndesc"
and optionally print the instruction description as comment in
the disassembly when it is specified.
gas/
* testsuite/gas/s390/s390.exp: Add new test disassembly test
case "zarch-insndesc".
* testsuite/gas/s390/zarch-insndesc.s: New test case for s390-
specific disassembler option "insndesc".
* testsuite/gas/s390/zarch-insndesc.d: Likewise.
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
Reviewed-by: Andreas Krebbel <krebbel@linux.ibm.com>
Diffstat (limited to 'binutils')
| -rw-r--r-- | binutils/NEWS | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/binutils/NEWS b/binutils/NEWS index 73df705..35b84e6 100644 --- a/binutils/NEWS +++ b/binutils/NEWS @@ -19,6 +19,11 @@ * objdump --visualize-jumps is now supported on s390 architecture. +* The s390 disassembly now optionally includes the instruction description as + comment with the s390-specific disassembler option "insndesc": + - For objdump it can be enabled with "objdump -M insndesc ...". + - In gdb it can be enabled with "set disassembler-options insndesc". + Changes in 2.41: * The MIPS port now supports the Sony Interactive Entertainment Allegrex |