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* contig/tc-sh.c (sh_local_pcrel): New.

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(sh_force_relocation): Use sh_local_pcrel.
	(md_pcrel_from_section): Check the relocation type whether it
	should be resolved locally. Use S_FORCE_RELOC.
	* testsuite/gas/sh/pcrel2.d: Check code also.
This commit is contained in:
Kaz Kojima 2002-10-03 04:58:28 +00:00
parent a58dd3735c
commit 28602ebff6
4 changed files with 51 additions and 13 deletions
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7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
2002-10-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* contig/tc-sh.c (sh_local_pcrel): New.
(sh_force_relocation): Use sh_local_pcrel.
(md_pcrel_from_section): Check the relocation type whether it
should be resolved locally. Use S_FORCE_RELOC.
2002-10-01 Alan Modra <amodra@bigpond.net.au>
* config/tc-mips.h (TC_FORCE_RELOCATION_SUB_SAME): Define.

33
gas/config/tc-sh.c
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@ -71,6 +71,7 @@ static void build_relax PARAMS ((sh_opcode_info *, sh_operand_info *));
static char *insert_loop_bounds PARAMS ((char *, sh_operand_info *));
static unsigned int build_Mytes
PARAMS ((sh_opcode_info *, sh_operand_info *));
static boolean sh_local_pcrel PARAMS ((fixS *fix));
#ifdef OBJ_ELF
static void sh_elf_cons PARAMS ((int));
@ -3211,6 +3212,22 @@ sh_handle_align (frag)
BFD_RELOC_SH_ALIGN);
}
/* See whether the relocation should be resolved locally. */
static boolean
sh_local_pcrel (fix)
fixS *fix;
{
return (! sh_relax &&
(fix->fx_r_type == BFD_RELOC_SH_PCDISP8BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCDISP12BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY4
|| fix->fx_r_type == BFD_RELOC_8_PCREL
|| fix->fx_r_type == BFD_RELOC_SH_SWITCH16
|| fix->fx_r_type == BFD_RELOC_SH_SWITCH32));
}
/* See whether we need to force a relocation into the output file.
This is used to force out switch and PC relative relocations when
relaxing. */
@ -3221,14 +3238,7 @@ sh_force_relocation (fix)
{
/* These relocations can't make it into a DSO, so no use forcing
them for global symbols. */
if (! sh_relax
&& (fix->fx_r_type == BFD_RELOC_SH_PCDISP8BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCDISP12BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY2
|| fix->fx_r_type == BFD_RELOC_SH_PCRELIMM8BY4
|| fix->fx_r_type == BFD_RELOC_8_PCREL
|| fix->fx_r_type == BFD_RELOC_SH_SWITCH16
|| fix->fx_r_type == BFD_RELOC_SH_SWITCH32))
if (sh_local_pcrel (fix))
return 0;
if (fix->fx_r_type == BFD_RELOC_VTABLE_INHERIT
@ -3684,10 +3694,9 @@ md_pcrel_from_section (fixP, sec)
fixS *fixP;
segT sec;
{
if (fixP->fx_addsy != (symbolS *) NULL
&& (! S_IS_DEFINED (fixP->fx_addsy)
|| S_IS_EXTERN (fixP->fx_addsy)
|| S_IS_WEAK (fixP->fx_addsy)
if (! sh_local_pcrel (fixP)
&& fixP->fx_addsy != (symbolS *) NULL
&& (S_FORCE_RELOC (fixP->fx_addsy)
|| S_GET_SEGMENT (fixP->fx_addsy) != sec))
{
/* The symbol is undefined (or is defined but not in this section,

4
gas/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-10-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* testsuite/gas/sh/pcrel2.d: Check code also.
2002-10-02 Stephen Clarke <stephen.clarke@superh.com>
* gas/sh/sh64/ptc32-noexp-1.d: Adjust for changes to *ABS*

20
gas/testsuite/gas/sh/pcrel2.d
View File

@ -1,5 +1,23 @@
#as: -big
#objdump: -r
#objdump: -drj.text
#name: PC-relative loads
.*: file format .*sh.*
Disassembly of section \.text:
00000000 <code>:
0: 8b 01 bf 6 <foo>
2: d0 02 mov\.l c <bar>,r0 ! 0x6
4: 90 02 mov\.w c <bar>,r0 ! 0x0
00000006 <foo>:
6: af fe bra 6 <foo>
8: 00 09 nop
a: 00 09 nop
0000000c <bar>:
c: 00 00 .*[ ]*.*
e: 00 06 .*[ ]*.*
10: 00 0a .*[ ]*.*
12: 0c 00 .*[ ]*.*