Alan Modra
4df6ce4788
* dw2gencfi.c (output_cie, output_fde): Use DW_CFA_nop rather
...
than zero.
2005-02-16 05:04:09 +00:00
Jan Beulich
5b9d23c67a
gas/
...
2004-12-15 Jan Beulich <jbeulich@novell.com>
* dw2gencfi.c (dot.cfi.startproc): Clear cur_cfa_offset so
'.cfi_startproc simple' doesn't inherit the old value.
2004-12-16 08:57:23 +00:00
Jan Beulich
dcb45a0623
gas/
...
2004-12-15 Jan Beulich <jbeulich@novell.com>
* dw2gencfi.c (output_cfi_insn): Adjust DW_CFA_def_cfa_sf generation
to emit a signed and factored offset. Adjust DW_CFA_def_cfa_offset_sf
generation to emit a factored offset.
2004-12-16 08:53:43 +00:00
Nick Clifton
289040ca3e
When separating CIE out from FDE, treat a DW_CFA_remember_state as we do a
...
DW_CFA_advance_loc. Test to make sure that this feature continues to work.
2004-10-07 15:18:11 +00:00
Alan Modra
e9fad6911f
* dw2gencfi.c (select_cie_for_fde): When separating CIE out
...
from FDE, treat a CFI_escape as we do a DW_CFA_advance_loc.
2004-09-09 13:32:46 +00:00
Nick Clifton
0da76f83eb
Handle dwarf3 format CIE entries.
2004-05-13 14:41:18 +00:00
Richard Henderson
6ec51dba92
* dw2gencfi.c (output_cie): Align length to 4 byte boundary.
...
(cfi_finish): Likewise for fde.
* gas/alpha/elf-reloc-8.d, gas/cfi/cfi-alpha-1.d,
gas/cfi/cfi-alpha-2.d, gas/cfi/cfi-alpha-3.d, gas/cfi/cfi-common-1.d,
gas/cfi/cfi-common-2.d, gas/cfi/cfi-common-3.d: Adjust offsets.
2004-03-07 08:51:21 +00:00
Jakub Jelinek
6749011bfd
s/.cfi_gnu_window_save/.cfi_window_save/g
2003-08-29 20:32:56 +00:00
Jakub Jelinek
364b6d8b23
* dw2gencfi.c (cfi_pseudo_table): Add cfi_gnu_window_save.
...
(dot_cfi, output_cfi_insn): Handle DW_CFA_GNU_window_save.
(output_cie): Don't use DW_EH_PE_pcrel if neither DIFF_EXPR_OK
nor tc_cfi_emit_pcrel_expr are defined.
(output_fde): Use tc_cfi_emit_pcrel_expr if available and
DIFF_EXPR_OK is not defined.
* config/tc-sparc.h (TARGET_USE_CFIPOP): Define.
(tc_cfi_frame_initial_instructions, tc_regname_to_dw2regnum,
tc_cfi_emit_pcrel_expr): Define.
(sparc_cfi_frame_initial_instructions, sparc_regname_to_dw2regnum,
sparc_cfi_emit_pcrel_expr): New prototypes.
(sparc_cie_data_alignment): New decl.
(DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT): Define.
* config/tc-sparc.c: Include dw2gencfi.h.
(sparc_cie_data_alignment): New variable.
(md_begin): Initialize it.
(sparc_cfi_frame_initial_instructions): New function.
(sparc_regname_to_dw2regnum): Likewise.
(sparc_cfi_emit_pcrel_expr): Likewise.
* doc/as.texinfo: Document .cfi_gnu_window_save.
* config/tc-sparc.c (s_common): Cast last argument to long and
change format string to shut up warning.
testsuite/
* gas/cfi/cfi-sparc-1.s: New test.
* gas/cfi/cfi-sparc-1.d: New test.
* gas/cfi/cfi-sparc64-1.s: New test.
* gas/cfi/cfi-sparc64-1.d: New test.
* gas/cfi/cfi.exp: Run them.
2003-08-29 20:20:18 +00:00
Jakub Jelinek
9393cb0db9
* dw2gencfi.c (EH_FRAME_ALIGNMENT): Define if not defined.
...
(output_cie): Don't pad.
(output_fde): Add align argument. Pad to align if not 0.
(cfi_finish): Set .eh_frame alignment to EH_FRAME_ALIGNMENT.
Pad just last FDE to EH_FRAME_ALIGNMENT.
* gas/cfi/cfi-i386.d: Regenerated.
* gas/cfi/cfi-common-1.d: Regenerated.
* gas/cfi/cfi-common-2.d: Regenerated.
* gas/cfi/cfi-common-3.d: Regenerated.
* gas/cfi/cfi-x86_64.d: Regenerated.
* gas/cfi/cfi-alpha-1.d: Regenerated.
* gas/cfi/cfi-alpha-2.d: Regenerated.
* gas/cfi/cfi-alpha-3.d: Regenerated.
2003-06-18 17:58:48 +00:00
Richard Henderson
cdfbf930b9
* dw2gencfi.c (struct cfi_escape_data): New.
...
(cfi_add_CFA_nop): Remove.
(CFI_escape, dot_cfi_escape): New.
(dot_cfi): Remove nop.
(cfi_pseudo_table): Remove nop; add escape.
(output_cfi_insn): Likewise.
(select_cie_for_fde): Stop on escape.
* dw2gencfi.h (cfi_add_CFA_nop): Remove.
* read.c, read.h (do_parse_cons_expression): New.
* doc/as.texinfo (.cfi_escape): New.
* gas/cfi/cfi-common-3.[ds]: New.
* gas/cfi/cfi.exp: Run it.
2003-06-11 23:16:58 +00:00
Richard Henderson
fa87b337c3
* dw2gencfi.c (struct cfa_save_data, cfa_save_stack): New.
...
(cfi_add_CFA_offset): Detect invalid offsets.
(cfi_add_CFA_remember_state): Save cur_cfa_offset.
(cfi_add_CFA_restore_state): Restore it.
(CFI_rel_offset): New.
(cfi_pseudo_table): Add it.
(dot_cfi): Handle it.
* gas/cfi/cfi-common-1.d, gas/cfi/cfi-common-1.s: New.
* gas/cfi/cfi-common-2.d, gas/cfi/cfi-common-2.s: New.
* gas/cfi/cfi-diag-1.d, gas/cfi/cfi-diag-1.s: New.
* gas/cfi/cfi.exp: Run them.
2003-06-08 03:59:44 +00:00
Michal Ludvig
2be24b54a9
2003-06-05 Michal Ludvig <mludvig@suse.cz>
...
* dw2gencfi.c (cfi_add_CFA_insn, cfi_add_CFA_insn_reg)
(cfi_add_CFA_insn_reg_reg, cfi_add_CFA_insn_reg_offset): New.
(cfi_add_CFA_offset, cfi_add_CFA_def_cfa)
(cfi_add_CFA_register, cfi_add_CFA_def_cfa_register)
(cfi_add_CFA_def_cfa_offset): Use cfi_add_CFA_insn_*().
(cfi_add_CFA_restore, cfi_add_CFA_undefined)
(cfi_add_CFA_same_value, cfi_add_CFA_remember_state)
(cfi_add_CFA_restore_state, cfi_add_CFA_nop): New.
(cfi_pseudo_table): New directives .cfi_return_column,
.cfi_restore, .cfi_undefined, .cfi_same_value,
.cfi_remember_state, .cfi_restore_state, .cfi_nop.
(dot_cfi, output_cfi_insn): Handle new directives.
* dw2gencfi.h (cfi_add_CFA_restore, cfi_add_CFA_undefined)
(cfi_add_CFA_same_value, cfi_add_CFA_remember_state)
(cfi_add_CFA_restore_state, cfi_add_CFA_nop): New prototypes.
2003-06-05 09:23:47 +00:00
Richard Henderson
1233ae6299
* dw2gencfi.c (output_cfi_insn): Fix typo for negative offsets.
2003-06-05 06:53:40 +00:00
Richard Henderson
757bc39371
* dw2gencfi.c (cfi_finish): Set .eh_frame read-only.
2003-06-05 05:25:38 +00:00
Alan Modra
ed7d5d1a43
* read.c (emit_expr): Set dot_value.
...
* dw2gencfi.c (output_fde): Remove pcrel reloc hack.
2003-06-02 22:48:59 +00:00
Richard Henderson
eafbc43f93
* dw2gencfi.c (output_fde): Use fix_new to emit pc-relative reloc.
...
(cfi_finish): Set flag_traditional_format around .eh_frame data.
* gas/alpha/elf-reloc-8.d: Correct .eh_frame relocs.
* gas/cfi/cfi-alpha-2.d: New.
* gas/cfi/cfi-alpha-2.s: New.
* gas/cfi/cfi.exp: Run it.
2003-05-31 19:36:45 +00:00
Richard Henderson
a4447b9378
* dw2gencfi.c, dw2gencfi.h: Rewrite from scratch.
...
* as.c (main): Always call cfi_finish.
* config/tc-i386.c (x86_dwarf2_return_column): New.
(x86_cie_data_alignment): New.
(md_begin): Set them.
(tc_x86_cfi_init): Remove.
(tc_x86_regname_to_dw2regnum): Fix 32-bit register numbers;
return int, not unsigned long; don't as_bad here.
(tc_x86_frame_initial_instructions): Streamline; use
updated api.
* config/tc-i386.h (tc_cfi_init): Remove.
(DWARF2_DEFAULT_RETURN_COLUMN): New.
(DWARF2_CIE_DATA_ALIGNMENT): New.
* gas/cfi/cfi-i386.d: Update for dw2gencfi rewrite.
* gas/cfi/cfi-x86_64.d: Likewise.
* gas/cfi/cfi-i386-2.d: New.
* gas/cfi/cfi-i386-2.s: New.
2003-05-27 16:52:49 +00:00
Nick Clifton
7ed2c8b026
Fix dw3gencfi.c so that it will build on targets that do not define BFD_ASSEMBLER.
2003-05-21 11:31:07 +00:00
Michal Ludvig
39b8215104
2003-05-20 Michal Ludvig <mludvig@suse.cz>
...
* as.c (main): Remove tc_cfi_init().
* dw2gencfi.c (cfi_parse_arg): Allow regnames beginning
with '%'.
(cfi_pseudo_table): Add "cfi_register" entry.
(cfi_make_insn): Handle CFA_register.
(cfi_output_insn): Ditto.
(dot_cfi): Ditto.
(cfi_get_label): Add 'simple' modifier to .cfi_startproc.
(dot_cfi_endproc): Reuse already emitted CIEs.
* testsuite/gas/cfi/cfi-i386.d: New pattern.
* testsuite/gas/cfi/cfi-x86-64.d: Ditto.
2003-05-20 14:31:44 +00:00
Alan Modra
7c0295b157
* dw2gencfi.c (cfi_parse_arg): Only use tc_regname_to_dw2regnum if
...
defined.
(dot_cfi_endproc): Avoid C99 construct.
2003-05-20 11:35:45 +00:00
Alan Modra
54cfded08e
* dw2gencfi.c, dw2gencfi.h: New files.
...
* config/tc-i386.c (tc_x86_cfi_init): New function.
* config/tc-i386.h (TARGET_USE_CFIPOP, tc_cfi_init): New defines.
* as.c (parse_args): Set verbose flag on --verbose.
(main): Call tc_cfi_init()/cfi_finish().
* as.h (verbose): New external variable.
* read.c (pobegin): Insert CFI pops to the list.
* symbols.c (local_symbol_make): Make symbol external.
* symbols.h (local_symbol_make): New prototype.
* Makefile.am: Add dw2gencfi.[ch] files. Run "make dep-am".
* Makefile.in: Regenerate.
* doc/as.texinfo: Added node "CFI directives" with description of
all implemented .cfi_* directives.
* doc/Makefile.in: Regenerate.
* po/POTFILES.in: Regenerate.
2003-05-20 07:58:07 +00:00