OpenE2K/binutils-gdb
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Add a disassembly flag to omit the pc prefix and use it in the "record

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instruction-history" command of record-btrace.

The pc prefix would appear multiple times in the branch trace disassembly,
which is more confusing than helpful.

gdb/
	* record-btrace.c (btrace_insn_history): Omit the pc prefix in
	the instruction history disassembly.
	* disasm.c (dump_insns): Omit the pc prefix, if requested.
	* disasm.h (DISASSEMBLY_OMIT_PC): New.
This commit is contained in:
Markus Metzger 2013-03-11 08:53:17 +00:00
parent afedecd388
commit 946287b73c
4 changed files with 15 additions and 1 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
2013-03-11 Markus Metzger <markus.t.metzger@intel.com>
* record-btrace.c (btrace_insn_history): Omit the pc prefix in
the instruction history disassembly.
* disasm.c (dump_insns): Omit the pc prefix, if requested.
* disasm.h (DISASSEMBLY_OMIT_PC): New.
2013-03-11 Markus Metzger <markus.t.metzger@intel.com>
* Makefile.in (SFILES): Add record-btrace.c

4
gdb/disasm.c
View File

@ -122,7 +122,9 @@ dump_insns (struct gdbarch *gdbarch, struct ui_out *uiout,
num_displayed++;
}
ui_out_chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
ui_out_text (uiout, pc_prefix (pc));
if ((flags & DISASSEMBLY_OMIT_PC) == 0)
ui_out_text (uiout, pc_prefix (pc));
ui_out_field_core_addr (uiout, "address", gdbarch, pc);
if (!build_address_symbolic (gdbarch, pc, 0, &name, &offset, &filename,

1
gdb/disasm.h
View File

@ -23,6 +23,7 @@
#define DISASSEMBLY_RAW_INSN (0x1 << 1)
#define DISASSEMBLY_OMIT_FNAME (0x1 << 2)
#define DISASSEMBLY_FILENAME (0x1 << 3)
#define DISASSEMBLY_OMIT_PC (0x1 << 4)
struct ui_out;
struct ui_file;

4
gdb/record.c
View File

@ -411,6 +411,9 @@ get_insn_history_modifiers (char **arg)
case 'f':
modifiers |= DISASSEMBLY_OMIT_FNAME;
break;
case 'p':
modifiers |= DISASSEMBLY_OMIT_PC;
break;
default:
error (_("Invalid modifier: %c."), *args);
}
@ -691,6 +694,7 @@ Print disassembled instructions stored in the execution log.\n\
With a /m modifier, source lines are included (if available).\n\
With a /r modifier, raw instructions in hex are included.\n\
With a /f modifier, function names are omitted.\n\
With a /p modifier, current position markers are omitted.\n\
With no argument, disassembles ten more instructions after the previous \
disassembly.\n\
\"record instruction-history -\" disassembles ten instructions before a \