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add some missing ops to DWARF assembler

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This changes the DWARF assembler to allow comments in a location
expression, and also adds support for a few new opcodes I needed.

gdb/testsuite/ChangeLog
2014-12-12  Tom Tromey  <tromey@redhat.com>

	* lib/dwarf.exp (_location): Ignore blank lines.  Allow comments.
	Handle DW_OP_pick, DW_OP_skip, DW_OP_bra.
This commit is contained in:
Tom Tromey 2014-05-14 13:46:37 -06:00 committed by Jan Kratochvil
parent a92a2e3435
commit 4ff709eb44
2 changed files with 13 additions and 1 deletions
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5
gdb/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2014-12-12 Tom Tromey <tromey@redhat.com>
* lib/dwarf.exp (_location): Ignore blank lines. Allow comments.
Handle DW_OP_pick, DW_OP_skip, DW_OP_bra.
2014-12-12 Doug Evans <dje@google.com>
* lib/gdb-python.exp (get_python_valueof): New function.

9
gdb/testsuite/lib/dwarf.exp
View file

@ -803,7 +803,8 @@ namespace eval Dwarf {
variable _cu_offset_size
foreach line [split $body \n] {
if {[lindex $line 0] == ""} {
# Ignore blank lines, and allow embedded comments.
if {[lindex $line 0] == "" || [regexp -- {^[ \t]*#} $line]} {
continue
}
set opcode [_map_name [lindex $line 0] _OP]
@ -814,6 +815,7 @@ namespace eval Dwarf {
_op .${_cu_addr_size}byte [lindex $line 1]
}
DW_OP_pick -
DW_OP_const1u -
DW_OP_const1s {
_op .byte [lindex $line 1]
@ -854,6 +856,11 @@ namespace eval Dwarf {
_op .uleb128 [lindex $line 2]
}
DW_OP_skip -
DW_OP_bra {
_op .2byte [lindex $line 1]
}
DW_OP_GNU_implicit_pointer {
if {[llength $line] != 3} {
error "usage: DW_OP_GNU_implicit_pointer LABEL OFFSET"