* config/tc-sh.c: Include dw2gencfi.h.
	(sh_cfi_frame_initial_instructions): New function.
	(sh_regname_to_dw2regnum): Likewise.
	* config/tc-sh.h (DWARF2_LINE_MIN_INSN_LENGTH): Move to the end of
	file.
	(TARGET_USE_CFIPOP): Define.
	(tc_cfi_frame_initial_instructions): Likewise.
	(tc_regname_to_dw2regnum): Likewise.
	(DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT): Likewise.
	* Makefile.am: Update dependencies.
	* Makefile.in: Regenerate.

[gas/testsuite]
	* gas/cfi/cfi-sh-1.d: New file.
	* gas/cfi/cfi-sh-1.s: Likewise.
	* gas/cfi/cfi.exp: Add SH case.
This commit is contained in:
Kaz Kojima 2004-03-18 00:49:23 +00:00
parent cfef7cefb0
commit 2ce4cc6025
9 changed files with 164 additions and 9 deletions

View File

@ -1,3 +1,17 @@
2004-03-17 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* config/tc-sh.c: Include dw2gencfi.h.
(sh_cfi_frame_initial_instructions): New function.
(sh_regname_to_dw2regnum): Likewise.
* config/tc-sh.h (DWARF2_LINE_MIN_INSN_LENGTH): Move to the end of
file.
(TARGET_USE_CFIPOP): Define.
(tc_cfi_frame_initial_instructions): Likewise.
(tc_regname_to_dw2regnum): Likewise.
(DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT): Likewise.
* Makefile.am: Update dependencies.
* Makefile.in: Regenerate.
2004-03-17 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* configure.in: Switch sh-*-rtems* to ELF. Add sh-*-rtemscoff*.

View File

@ -1400,20 +1400,20 @@ DEPTC_sh_coff = $(INCDIR)/symcat.h $(srcdir)/config/obj-coff.h \
$(srcdir)/config/tc-sh.h $(INCDIR)/coff/internal.h \
$(INCDIR)/coff/sh.h $(INCDIR)/coff/external.h $(BFDDIR)/libcoff.h \
$(INCDIR)/bfdlink.h subsegs.h $(INCDIR)/obstack.h $(srcdir)/../opcodes/sh-opc.h \
$(INCDIR)/safe-ctype.h struc-symbol.h dwarf2dbg.h
$(INCDIR)/safe-ctype.h struc-symbol.h dwarf2dbg.h dw2gencfi.h
DEPTC_sh_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
$(BFDDIR)/elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
$(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(srcdir)/config/tc-sh.h \
subsegs.h $(INCDIR)/obstack.h $(srcdir)/../opcodes/sh-opc.h \
$(INCDIR)/safe-ctype.h struc-symbol.h $(INCDIR)/elf/sh.h \
$(INCDIR)/elf/reloc-macros.h dwarf2dbg.h
$(INCDIR)/elf/reloc-macros.h dwarf2dbg.h dw2gencfi.h
DEPTC_sh64_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
$(BFDDIR)/elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
$(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(srcdir)/config/tc-sh64.h \
$(srcdir)/config/tc-sh.h $(INCDIR)/elf/sh.h $(INCDIR)/elf/reloc-macros.h \
$(BFDDIR)/elf32-sh64.h $(INCDIR)/safe-ctype.h $(srcdir)/../opcodes/sh64-opc.h \
$(srcdir)/config/tc-sh.c subsegs.h $(INCDIR)/obstack.h \
$(srcdir)/../opcodes/sh-opc.h struc-symbol.h dwarf2dbg.h
$(srcdir)/../opcodes/sh-opc.h struc-symbol.h dwarf2dbg.h dw2gencfi.h
DEPTC_sparc_aout = $(INCDIR)/symcat.h $(srcdir)/config/obj-aout.h \
$(srcdir)/config/tc-sparc.h $(BFDDIR)/libaout.h $(INCDIR)/bfdlink.h \
$(INCDIR)/safe-ctype.h subsegs.h $(INCDIR)/obstack.h \

View File

@ -1262,14 +1262,14 @@ DEPTC_sh_coff = $(INCDIR)/symcat.h $(srcdir)/config/obj-coff.h \
$(srcdir)/config/tc-sh.h $(INCDIR)/coff/internal.h \
$(INCDIR)/coff/sh.h $(INCDIR)/coff/external.h $(BFDDIR)/libcoff.h \
$(INCDIR)/bfdlink.h subsegs.h $(INCDIR)/obstack.h $(srcdir)/../opcodes/sh-opc.h \
$(INCDIR)/safe-ctype.h struc-symbol.h dwarf2dbg.h
$(INCDIR)/safe-ctype.h struc-symbol.h dwarf2dbg.h dw2gencfi.h
DEPTC_sh_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
$(BFDDIR)/elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
$(INCDIR)/elf/external.h $(INCDIR)/bfdlink.h $(srcdir)/config/tc-sh.h \
subsegs.h $(INCDIR)/obstack.h $(srcdir)/../opcodes/sh-opc.h \
$(INCDIR)/safe-ctype.h struc-symbol.h $(INCDIR)/elf/sh.h \
$(INCDIR)/elf/reloc-macros.h dwarf2dbg.h
$(INCDIR)/elf/reloc-macros.h dwarf2dbg.h dw2gencfi.h
DEPTC_sh64_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
$(BFDDIR)/elf-bfd.h $(INCDIR)/elf/common.h $(INCDIR)/elf/internal.h \
@ -1277,7 +1277,7 @@ DEPTC_sh64_elf = $(INCDIR)/symcat.h $(srcdir)/config/obj-elf.h \
$(srcdir)/config/tc-sh.h $(INCDIR)/elf/sh.h $(INCDIR)/elf/reloc-macros.h \
$(BFDDIR)/elf32-sh64.h $(INCDIR)/safe-ctype.h $(srcdir)/../opcodes/sh64-opc.h \
$(srcdir)/config/tc-sh.c subsegs.h $(INCDIR)/obstack.h \
$(srcdir)/../opcodes/sh-opc.h struc-symbol.h dwarf2dbg.h
$(srcdir)/../opcodes/sh-opc.h struc-symbol.h dwarf2dbg.h dw2gencfi.h
DEPTC_sparc_aout = $(INCDIR)/symcat.h $(srcdir)/config/obj-aout.h \
$(srcdir)/config/tc-sparc.h $(BFDDIR)/libaout.h $(INCDIR)/bfdlink.h \

View File

@ -35,6 +35,7 @@
#endif
#include "dwarf2dbg.h"
#include "dw2gencfi.h"
typedef struct
{
@ -4341,4 +4342,53 @@ sh_parse_name (char const *name, expressionS *exprP, char *nextcharP)
return 1;
}
#endif
void
sh_cfi_frame_initial_instructions (void)
{
cfi_add_CFA_def_cfa (15, 0);
}
int
sh_regname_to_dw2regnum (const char *regname)
{
unsigned int regnum = -1;
unsigned int i;
const char *p;
char *q;
static struct { char *name; int dw2regnum; } regnames[] =
{
{ "pr", 17 }, { "t", 18 }, { "gbr", 19 }, { "mach", 20 },
{ "macl", 21 }, { "fpul", 23 }
};
for (i = 0; i < ARRAY_SIZE (regnames); ++i)
if (strcmp (regnames[i].name, regname) == 0)
return regnames[i].dw2regnum;
if (regname[0] == 'r')
{
p = regname + 1;
regnum = strtoul (p, &q, 10);
if (p == q || *q || regnum >= 16)
return -1;
}
else if (regname[0] == 'f' && regname[1] == 'r')
{
p = regname + 2;
regnum = strtoul (p, &q, 10);
if (p == q || *q || regnum >= 16)
return -1;
regnum += 25;
}
else if (regname[0] == 'x' && regname[1] == 'd')
{
p = regname + 2;
regnum = strtoul (p, &q, 10);
if (p == q || *q || regnum >= 8)
return -1;
regnum += 87;
}
return regnum;
}
#endif /* BFD_ASSEMBLER */

View File

@ -42,9 +42,6 @@ extern int sh_small;
/* Don't try to break words. */
#define WORKING_DOT_WORD
/* All SH instructions are multiples of 16 bits. */
#define DWARF2_LINE_MIN_INSN_LENGTH 2
/* We require .long, et. al., to be aligned correctly. */
#define md_cons_align(nbytes) sh_cons_align (nbytes)
extern void sh_cons_align (int);
@ -261,4 +258,17 @@ void sh_cons_fix_new (fragS *, int, int, expressionS *);
symbols. The relocation type is stored in X_md. */
#define O_PIC_reloc O_md1
#define TARGET_USE_CFIPOP 1
#define tc_cfi_frame_initial_instructions sh_cfi_frame_initial_instructions
extern void sh_cfi_frame_initial_instructions (void);
#define tc_regname_to_dw2regnum sh_regname_to_dw2regnum
extern int sh_regname_to_dw2regnum (const char *regname);
/* All SH instructions are multiples of 16 bits. */
#define DWARF2_LINE_MIN_INSN_LENGTH 2
#define DWARF2_DEFAULT_RETURN_COLUMN 17
#define DWARF2_CIE_DATA_ALIGNMENT -4
#endif /* OBJ_ELF */

View File

@ -1,3 +1,9 @@
2004-03-17 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* gas/cfi/cfi-sh-1.d: New file.
* gas/cfi/cfi-sh-1.s: Likewise.
* gas/cfi/cfi.exp: Add SH case.
2004-03-16 Alan Modra <amodra@bigpond.net.au>
* gas/ppc/altivec.d: Update.

View File

@ -0,0 +1,29 @@
#readelf: -wf
#name: CFI on SH
The section .eh_frame contains:
00000000 00000010 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 2
Data alignment factor: -4
Return address column: 17
Augmentation data: 1b
DW_CFA_def_cfa: r15 ofs 0
00000014 00000020 00000018 FDE cie=00000000 pc=0000001c..00000048
DW_CFA_advance_loc: 2 to 0000001e
DW_CFA_def_cfa_offset: 4
DW_CFA_advance_loc: 2 to 00000020
DW_CFA_def_cfa_offset: 8
DW_CFA_offset: r15 at cfa-4
DW_CFA_offset: r17 at cfa-8
DW_CFA_advance_loc: 6 to 00000026
DW_CFA_def_cfa_reg: r14
DW_CFA_advance_loc: 2 to 00000028
DW_CFA_def_cfa_offset: 40
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop

View File

@ -0,0 +1,39 @@
.file "a.c"
.text
.align 1
.globl foo
.type foo, @function
foo:
.cfi_startproc
mov.l r14,@-r15
.cfi_adjust_cfa_offset 4
sts.l pr,@-r15
.cfi_adjust_cfa_offset 4
.cfi_offset r15,-4
.cfi_offset pr,-8
tst r4,r4
bt/s .L2
mov r15,r14
.cfi_def_cfa_register r14
add #-32,r15
.cfi_adjust_cfa_offset 32
mov.l .L3,r0
jsr @r0
mov r15,r4
.L2:
mov.l .L4,r0
jsr @r0
nop
mov #0,r0
mov r14,r15
lds.l @r15+,pr
rts
mov.l @r15+,r14
.L5:
.align 2
.L3:
.long bar
.L4:
.long baz
.cfi_endproc
.size foo, .-foo

View File

@ -49,6 +49,13 @@ if [istarget "x86_64-*"] then {
if { [regexp "elf64\[_-\]sparc" $nm_help] } then {
run_dump_test "cfi-sparc64-1"
}
} elseif [istarget "sh*-*"] then {
if { [istarget sh64*-*-*] || [istarget sh5*-*-*] } then {
} else {
run_dump_test "cfi-sh-1"
}
} else {
return
}