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* elf32-mips.c (mips16_jump_reloc): Remove function.
	(elf_mips16_howto_table_rel): Use _bfd_mips_elf_generic_reloc
	instead of mips16_jump_reloc.
	* elf64_mips.c, wlfn32-mips.c (mips16_jump_reloc): Remove function.
	(elf_mips16_howto_table_rel, elf_mips16_howto_table_rela): Use
	_bfd_mips_elf_generic_reloc instead of mips16_jump_reloc.

	[ gas/ChangeLog ]
	* config/tc-mips.c (mips_fix_adjustable): Handle BFD_RELOC_MIPS16_JMP.
	(tc_gen_reloc): Handle mips16 jumps to section symbol offsets.

	[ ld/testsuite/ChangeLog ]
	* ld-mips-elf/mips16-call-global-1.s,
	ld-mips-elf/mips16-call-global-2.s,
	ld-mips-elf/mips16-call-global-3.s, ld-mips-elf/mips16-call-global.d:
	Test linking of external mips16 jumps.
	* ld-mips-elf/mips-elf.exp: Run new test.
This commit is contained in:
Thiemo Seufer 2006-07-20 16:46:30 +00:00
parent 5fa2b1af8c
commit 35d3d567cc
12 changed files with 103 additions and 99 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2006-07-20 Thiemo Seufer <ths@mips.com>
* elf32-mips.c (mips16_jump_reloc): Remove function.
(elf_mips16_howto_table_rel): Use _bfd_mips_elf_generic_reloc
instead of mips16_jump_reloc.
* elf64_mips.c, wlfn32-mips.c (mips16_jump_reloc): Remove function.
(elf_mips16_howto_table_rel, elf_mips16_howto_table_rela): Use
_bfd_mips_elf_generic_reloc instead of mips16_jump_reloc.
2006-07-19 Alan Modra <amodra@bigpond.net.au>
* bfd-in.h (enum notice_asneeded_action): Define.

34
bfd/elf32-mips.c
View File

@ -68,8 +68,6 @@ static bfd_boolean mips_elf32_object_p
(bfd *);
static bfd_boolean mips_elf_is_local_label_name
(bfd *, const char *);
static bfd_reloc_status_type mips16_jump_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips16_gprel_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips_elf_final_gp
@ -734,7 +732,7 @@ static reloc_howto_type elf_mips16_howto_table_rel[] =
/* This needs complex overflow
detection, because the upper four
bits must match the PC. */
mips16_jump_reloc, /* special_function */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_26", /* name */
TRUE, /* partial_inplace */
0x3ffffff, /* src_mask */
@ -1112,36 +1110,6 @@ mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry,
return r;
}
/* Handle a mips16 jump. */
static bfd_reloc_status_type
mips16_jump_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
asymbol *symbol, void *data ATTRIBUTE_UNUSED,
asection *input_section, bfd *output_bfd,
char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd != NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& reloc_entry->addend == 0)
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
/* FIXME. */
{
static bfd_boolean warned;
if (! warned)
(*_bfd_error_handler)
(_("Linking mips16 objects into %s format is not supported"),
bfd_get_target (input_section->output_section->owner));
warned = TRUE;
}
return bfd_reloc_undefined;
}
/* Handle a mips16 GP relative reloc. */
static bfd_reloc_status_type

37
bfd/elf64-mips.c
View File

@ -112,8 +112,6 @@ static bfd_reloc_status_type mips_elf64_gprel32_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips_elf64_shift6_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips16_jump_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips16_gprel_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_boolean mips_elf64_assign_gp
@ -1438,7 +1436,7 @@ static reloc_howto_type mips16_elf64_howto_table_rel[] =
/* This needs complex overflow
detection, because the upper four
bits must match the PC. */
mips16_jump_reloc, /* special_function */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_26", /* name */
TRUE, /* partial_inplace */
0x3ffffff, /* src_mask */
@ -1510,7 +1508,7 @@ static reloc_howto_type mips16_elf64_howto_table_rela[] =
/* This needs complex overflow
detection, because the upper four
bits must match the PC. */
mips16_jump_reloc, /* special_function */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_26", /* name */
FALSE, /* partial_inplace */
0x3ffffff, /* src_mask */
@ -2044,37 +2042,6 @@ mips_elf64_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
error_message);
}
/* Handle a mips16 jump. */
static bfd_reloc_status_type
mips16_jump_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
asymbol *symbol, void *data ATTRIBUTE_UNUSED,
asection *input_section, bfd *output_bfd,
char **error_message ATTRIBUTE_UNUSED)
{
if (output_bfd != NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0
&& (! reloc_entry->howto->partial_inplace
|| reloc_entry->addend == 0))
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
/* FIXME. */
{
static bfd_boolean warned;
if (! warned)
(*_bfd_error_handler)
(_("Linking mips16 objects into %s format is not supported"),
bfd_get_target (input_section->output_section->owner));
warned = TRUE;
}
return bfd_reloc_undefined;
}
/* Handle a mips16 GP relative reloc. */
static bfd_reloc_status_type

28
bfd/elfn32-mips.c
View File

@ -61,8 +61,6 @@ static bfd_reloc_status_type gprel32_with_gp
(bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
static bfd_reloc_status_type mips_elf_shift6_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips16_jump_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static bfd_reloc_status_type mips16_gprel_reloc
(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
@ -1444,7 +1442,7 @@ static reloc_howto_type elf_mips16_howto_table_rel[] =
/* This needs complex overflow
detection, because the upper four
bits must match the PC. */
mips16_jump_reloc, /* special_function */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_26", /* name */
TRUE, /* partial_inplace */
0x3ffffff, /* src_mask */
@ -1516,7 +1514,7 @@ static reloc_howto_type elf_mips16_howto_table_rela[] =
/* This needs complex overflow
detection, because the upper four
bits must match the PC. */
mips16_jump_reloc, /* special_function */
_bfd_mips_elf_generic_reloc, /* special_function */
"R_MIPS16_26", /* name */
FALSE, /* partial_inplace */
0x3ffffff, /* src_mask */
@ -1901,28 +1899,6 @@ mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
error_message);
}
/* Handle a mips16 jump. */
static bfd_reloc_status_type
mips16_jump_reloc (bfd *abfd ATTRIBUTE_UNUSED,
arelent *reloc_entry ATTRIBUTE_UNUSED,
asymbol *symbol ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED,
asection *input_section, bfd *output_bfd ATTRIBUTE_UNUSED,
char **error_message ATTRIBUTE_UNUSED)
{
static bfd_boolean warned = FALSE;
/* FIXME. */
if (! warned)
(*_bfd_error_handler)
(_("Linking mips16 objects into %s format is not supported"),
bfd_get_target (input_section->output_section->owner));
warned = TRUE;
return bfd_reloc_undefined;
}
/* Handle a mips16 GP relative reloc. */
static bfd_reloc_status_type

5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2006-07-20 Thiemo Seufer <ths@mips.com>
* config/tc-mips.c (mips_fix_adjustable): Handle BFD_RELOC_MIPS16_JMP.
(tc_gen_reloc): Handle mips16 jumps to section symbol offsets.
2006-07-19 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (insns): Fix rbit Arm opcode.

9
gas/config/tc-mips.c
View File

@ -13498,11 +13498,6 @@ md_estimate_size_before_relax (fragS *fragp, asection *segtype)
int
mips_fix_adjustable (fixS *fixp)
{
/* Don't adjust MIPS16 jump relocations, so we don't have to worry
about the format of the offset in the .o file. */
if (fixp->fx_r_type == BFD_RELOC_MIPS16_JMP)
return 0;
if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
|| fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
return 0;
@ -13578,6 +13573,10 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp)
else
reloc->addend = fixp->fx_addnumber;
/* Handle relocs adjusted against a section symbol. */
if (fixp->fx_r_type == BFD_RELOC_MIPS16_JMP)
reloc->addend += fixp->fx_offset;
/* Since the old MIPS ELF ABI uses Rel instead of Rela, encode the vtable
entry to be used in the relocation's section offset. */
if (! HAVE_NEWABI && fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)

8
ld/testsuite/ChangeLog
View File

@ -1,3 +1,11 @@
2006-07-20 Thiemo Seufer <ths@mips.com>
* ld-mips-elf/mips16-call-global-1.s,
ld-mips-elf/mips16-call-global-2.s,
ld-mips-elf/mips16-call-global-3.s, ld-mips-elf/mips16-call-global.d:
Test linking of external mips16 jumps.
* ld-mips-elf/mips-elf.exp: Run new test.
2006-07-19 Thiemo Seufer <ths@mips.com>
* ld-selective/selective.exp: Fix selective testcases for MIPS.

9
ld/testsuite/ld-mips-elf/mips-elf.exp
View File

@ -243,3 +243,12 @@ if {[istarget mips*-*-linux*]} {
run_ld_link_tests $mips_tls_tests
}
set mips16_call_global_test {
{"Global calls from mips16"
""
"-mips32r2" {mips16-call-global-1.s mips16-call-global-2.s mips16-call-global-3.s}
{{objdump -dr mips16-call-global.d}}
"mips16-call-global"}
}
run_ld_link_tests $mips16_call_global_test

12
ld/testsuite/ld-mips-elf/mips16-call-global-1.s Normal file
View File

@ -0,0 +1,12 @@
.set mips16
.globl __start
.ent __start
__start:
.frame $sp,24,$31
save 24,$31
jal x+8
jal y+8
restore 24,$31
j $31
.end __start

8
ld/testsuite/ld-mips-elf/mips16-call-global-2.s Normal file
View File

@ -0,0 +1,8 @@
.set mips16
.globl x
.ent x
.type x,@function
x:
jr $31
.end x

6
ld/testsuite/ld-mips-elf/mips16-call-global-3.s Normal file
View File

@ -0,0 +1,6 @@
.globl y
.ent y
.type y,@function
y:
jr $31
.end y

37
ld/testsuite/ld-mips-elf/mips16-call-global.d Normal file
View File

@ -0,0 +1,37 @@
#as: -mips32r2
#source: mips16-call-global-1.S mips16-call-global-2.S mips16-call-global-3.S
.*: file format elf.*mips
Disassembly of section .text:
00400090 <__start>:
400090: 64c3 save 24,ra
400092: 1a00 002e jal 4000b8 <x\+0x8>
400096: 6500 nop
400098: 1e00 0032 jalx 4000c8 <y\+0x8>
40009c: 6500 nop
40009e: 6443 restore 24,ra
4000a0: e8a0 jrc ra
4000a2: 6500 nop
4000a4: 6500 nop
4000a6: 6500 nop
4000a8: 6500 nop
4000aa: 6500 nop
4000ac: 6500 nop
4000ae: 6500 nop
004000b0 <x>:
4000b0: e8a0 jrc ra
4000b2: 6500 nop
4000b4: 6500 nop
4000b6: 6500 nop
4000b8: 6500 nop
4000ba: 6500 nop
4000bc: 6500 nop
4000be: 6500 nop
004000c0 <y>:
4000c0: 03e00008 jr ra
4000c4: 00000000 nop
\.\.\.