------- Additional Comments From hjl at lucon dot org 2004-12-30 21:01 -------
insn-preds.o was compiled with
stage2/xgcc -Bstage2/ -B/usr/gcc-4.0/i686-pc-linux-gnu/bin/ -c -O2 -g -fomit-
frame-pointer -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -
Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-
definition -Werror -DHAVE_CONFIG_H -I. -I. -
I/net/gnu/export/gnu/src/gcc/gcc/gcc -I/net/gnu/export/gnu/src/gcc/gcc/gcc/. -
I/net/gnu/export/gnu/src/gcc/gcc/gcc/../include -
I/net/gnu/export/gnu/src/gcc/gcc/gcc/../libcpp/include insn-preds.c -o insn-
preds.o
It generates
<1><418c>: Abbrev Number: 47 (DW_TAG_subprogram)
DW_AT_sibling : <41c6>
DW_AT_external : 1
DW_AT_name : (indirect string, offset: 0x3133):
tls_symbolic_operand
DW_AT_decl_file : 1
DW_AT_decl_line : 471
DW_AT_prototyped : 1
DW_AT_type : <2c>
DW_AT_low_pc : 0x2f0
DW_AT_high_pc : 0x31c
<2><41a6>: Abbrev Number: 48 (DW_TAG_formal_parameter)
DW_AT_name : op
DW_AT_decl_file : 1
DW_AT_decl_line : 470
DW_AT_type : <2dc>
DW_AT_location : 549 (location list)
<2><41b5>: Abbrev Number: 49 (DW_TAG_formal_parameter)
DW_AT_name : (indirect string, offset: 0x44e5): mode
DW_AT_decl_file : 1
DW_AT_decl_line : 470
DW_AT_type : <6be>
DW_AT_location : 5a2 (location list)
00000549 000002f0 000002fe (DW_OP_fbreg: 4)
00000549 000002fe 00000300 (DW_OP_reg0)
00000549 00000300 00000301 (DW_OP_fbreg: 4)
00000549 00000301 0000030b (DW_OP_reg0)
00000549 0000030b 00000311 (DW_OP_fbreg: 4)
00000549 00000311 00000315 (DW_OP_reg0)
00000549 00000315 0000031c (DW_OP_fbreg: 4)
000005a2 000002f0 000002fe (DW_OP_fbreg: 8)
000005a2 000002fe 0000031c (DW_OP_reg2)
There is no DW_AT_frame_base. According to DWARF 3 spec, DW_OP_fbreg needs
DW_AT_frame_base.
--
What |Removed |Added
----------------------------------------------------------------------------
Keywords|patch |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19124
