+2004-04-21 Chris Demetriou <cgd@broadcom.com>
+
+ * coff-mips.c (bfd_mips_ecoff_create_embedded_relocs): Remove.
+ * elf32-mips.c (bfd_mips_elf32_create_embedded_relocs): Remove.
+ * bfd-in.h (bfd_mips_ecoff_create_embedded_relocs)
+ (bfd_mips_elf32_create_embedded_relocs): Remove prototypes
+ * bfd-in2.h: Regenerate.
+
2004-04-21 Bob Wilson <bob.wilson@acm.org>
* elf32-xtensa.c (is_same_value): Add final_static_link argument and
(void *handle, bfd *abfd, struct ecoff_debug_info *debug,
const struct ecoff_debug_swap *swap,
struct bfd_link_info *info, file_ptr where);
-extern bfd_boolean bfd_mips_ecoff_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
/* Externally visible ELF routines. */
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
-extern bfd_boolean bfd_mips_elf32_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
/* SunOS shared library support routines for the linker. */
(void *handle, bfd *abfd, struct ecoff_debug_info *debug,
const struct ecoff_debug_swap *swap,
struct bfd_link_info *info, file_ptr where);
-extern bfd_boolean bfd_mips_ecoff_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
/* Externally visible ELF routines. */
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
-extern bfd_boolean bfd_mips_elf32_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
/* SunOS shared library support routines for the linker. */
return TRUE;
}
-
-/* Given a .sdata section and a .rel.sdata in-memory section, store
- relocation information into the .rel.sdata section which can be
- used at runtime to relocate the section. This is called by the
- linker when the --embedded-relocs switch is used. This is called
- after the add_symbols entry point has been called for all the
- objects, and before the final_link entry point is called. This
- function presumes that the object was compiled using
- -membedded-pic. */
-
-bfd_boolean
-bfd_mips_ecoff_create_embedded_relocs (abfd, info, datasec, relsec, errmsg)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *datasec;
- asection *relsec;
- char **errmsg;
-{
- struct ecoff_link_hash_entry **sym_hashes;
- struct ecoff_section_tdata *section_tdata;
- struct external_reloc *ext_rel;
- struct external_reloc *ext_rel_end;
- bfd_byte *p;
- bfd_size_type amt;
-
- BFD_ASSERT (! info->relocatable);
-
- *errmsg = NULL;
-
- if (datasec->reloc_count == 0)
- return TRUE;
-
- sym_hashes = ecoff_data (abfd)->sym_hashes;
-
- if (! mips_read_relocs (abfd, datasec))
- return FALSE;
-
- amt = (bfd_size_type) datasec->reloc_count * 4;
- relsec->contents = (bfd_byte *) bfd_alloc (abfd, amt);
- if (relsec->contents == NULL)
- return FALSE;
-
- p = relsec->contents;
-
- section_tdata = ecoff_section_data (abfd, datasec);
- ext_rel = (struct external_reloc *) section_tdata->external_relocs;
- ext_rel_end = ext_rel + datasec->reloc_count;
- for (; ext_rel < ext_rel_end; ext_rel++, p += 4)
- {
- struct internal_reloc int_rel;
- bfd_boolean text_relative;
-
- mips_ecoff_swap_reloc_in (abfd, (PTR) ext_rel, &int_rel);
-
- /* We are going to write a four byte word into the runtime reloc
- section. The word will be the address in the data section
- which must be relocated. This must be on a word boundary,
- which means the lower two bits must be zero. We use the
- least significant bit to indicate how the value in the data
- section must be relocated. A 0 means that the value is
- relative to the text section, while a 1 indicates that the
- value is relative to the data section. Given that we are
- assuming the code was compiled using -membedded-pic, there
- should not be any other possibilities. */
-
- /* We can only relocate REFWORD relocs at run time. */
- if (int_rel.r_type != MIPS_R_REFWORD)
- {
- *errmsg = _("unsupported reloc type");
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- if (int_rel.r_extern)
- {
- struct ecoff_link_hash_entry *h;
-
- h = sym_hashes[int_rel.r_symndx];
- /* If h is NULL, that means that there is a reloc against an
- external symbol which we thought was just a debugging
- symbol. This should not happen. */
- if (h == (struct ecoff_link_hash_entry *) NULL)
- abort ();
- if ((h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- && (h->root.u.def.section->flags & SEC_CODE) != 0)
- text_relative = TRUE;
- else
- text_relative = FALSE;
- }
- else
- {
- switch (int_rel.r_symndx)
- {
- case RELOC_SECTION_TEXT:
- text_relative = TRUE;
- break;
- case RELOC_SECTION_SDATA:
- case RELOC_SECTION_SBSS:
- case RELOC_SECTION_LIT8:
- text_relative = FALSE;
- break;
- default:
- /* No other sections should appear in -membedded-pic
- code. */
- *errmsg = _("reloc against unsupported section");
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
- }
-
- if ((int_rel.r_offset & 3) != 0)
- {
- *errmsg = _("reloc not properly aligned");
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- bfd_put_32 (abfd,
- (int_rel.r_vaddr - datasec->vma + datasec->output_offset
- + (text_relative ? 0 : 1)),
- p);
- }
-
- return TRUE;
-}
\f
/* This is the ECOFF backend structure. The backend field of the
target vector points to this. */
return ict_none;
}
\f
-/* Given a data section and an in-memory embedded reloc section, store
- relocation information into the embedded reloc section which can be
- used at runtime to relocate the data section. This is called by the
- linker when the --embedded-relocs switch is used. This is called
- after the add_symbols entry point has been called for all the
- objects, and before the final_link entry point is called. */
-
-bfd_boolean
-bfd_mips_elf32_create_embedded_relocs (bfd *abfd, struct bfd_link_info *info,
- asection *datasec, asection *relsec,
- char **errmsg)
-{
- Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Sym *isymbuf = NULL;
- Elf_Internal_Rela *internal_relocs = NULL;
- Elf_Internal_Rela *irel, *irelend;
- bfd_byte *p;
-
- BFD_ASSERT (! info->relocatable);
-
- *errmsg = NULL;
-
- if (datasec->reloc_count == 0)
- return TRUE;
-
- /* Read this BFD's symbols if we haven't done so already, or get the cached
- copy if it exists. */
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- if (symtab_hdr->sh_info != 0)
- {
- isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (isymbuf == NULL)
- isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (isymbuf == NULL)
- goto error_return;
- }
-
- /* Get a copy of the native relocations. */
- internal_relocs = _bfd_elf_link_read_relocs (abfd, datasec, NULL, NULL,
- info->keep_memory);
- if (internal_relocs == NULL)
- goto error_return;
-
- relsec->contents = bfd_alloc (abfd, datasec->reloc_count * 12);
- if (relsec->contents == NULL)
- goto error_return;
-
- p = relsec->contents;
-
- irelend = internal_relocs + datasec->reloc_count;
-
- for (irel = internal_relocs; irel < irelend; irel++, p += 12)
- {
- asection *targetsec;
-
- /* We are going to write a four byte longword into the runtime
- reloc section. The longword will be the address in the data
- section which must be relocated. It is followed by the name
- of the target section NUL-padded or truncated to 8
- characters. */
-
- /* We can only relocate absolute longword relocs at run time. */
- if ((ELF32_R_TYPE (irel->r_info) != (int) R_MIPS_32) &&
- (ELF32_R_TYPE (irel->r_info) != (int) R_MIPS_64))
- {
- *errmsg = _("unsupported reloc type");
- bfd_set_error (bfd_error_bad_value);
- goto error_return;
- }
- /* Get the target section referred to by the reloc. */
- if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
- {
- Elf_Internal_Sym *isym;
-
- /* A local symbol. */
- isym = isymbuf + ELF32_R_SYM (irel->r_info);
- targetsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
- }
- else
- {
- unsigned long indx;
- struct elf_link_hash_entry *h;
-
- /* An external symbol. */
- indx = ELF32_R_SYM (irel->r_info);
- h = elf_sym_hashes (abfd)[indx];
- targetsec = NULL;
- /*
- For some reason, in certain programs, the symbol will
- not be in the hash table. It seems to happen when you
- declare a static table of pointers to const external structures.
- In this case, the relocs are relative to data, not
- text, so just treating it like an undefined link
- should be sufficient. */
- BFD_ASSERT(h != NULL);
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- targetsec = h->root.u.def.section;
- }
-
-
- /*
- Set the low bit of the relocation offset if it's a MIPS64 reloc.
- Relocations will always be on (at least) 32-bit boundaries. */
-
- bfd_put_32 (abfd, ((irel->r_offset + datasec->output_offset) +
- ((ELF32_R_TYPE (irel->r_info) == (int) R_MIPS_64) ? 1 : 0)),
- p);
- memset (p + 4, 0, 8);
- if (targetsec != NULL)
- strncpy (p + 4, targetsec->output_section->name, 8);
- }
-
- if (internal_relocs != NULL
- && elf_section_data (datasec)->relocs != internal_relocs)
- free (internal_relocs);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- return TRUE;
-
- error_return:
- if (internal_relocs != NULL
- && elf_section_data (datasec)->relocs != internal_relocs)
- free (internal_relocs);
- if (isymbuf != NULL
- && symtab_hdr->contents != (unsigned char *) isymbuf)
- free (isymbuf);
- return FALSE;
-}
-\f
/* ECOFF swapping routines. These are used when dealing with the
.mdebug section, which is in the ECOFF debugging format. */
static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
+2004-04-21 Chris Demetriou <cgd@broadcom.com>
+
+ * ld.texinfo: Remove MIPS --embedded-relocs documentation.
+ * emulparams/elf32bmip.sh (EXTRA_EM_FILE): Remove definition.
+ * emulparams/mipsidt.sh (TEMPLATE_NAME): Use generic.em.
+ (EXTRA_EM_FILE): Use mipsecoff.em
+ * emulparams/mipsidtl.sh (TEMPLATE_NAME): Use generic.em.
+ (EXTRA_EM_FILE): Use mipsecoff.em
+ * emultempl/mipsecoff.em: Restructure to be included as an
+ extra emulation file.
+ (check_sections, gld${EMULATION_NAME}_after_open)
+ (gld${EMULATION_NAME}_after_allocation)
+ (gld${EMULATION_NAME}_get_script)
+ (ld_${EMULATION_NAME}_emulation): Remove
+ (gld${EMULATION_NAME}_before_parse): Rename to...
+ (mipsecoff_before_parse): This.
+ (LDEMUL_BEFORE_PARSE): Define.
+ * emultempl/mipself.em: Remove file.
+ * scripttempl/mips.sc (.rel.sdata): Do not include in output.
+ (__runtime_reloc_start, __runtime_reloc_stop): Stop providing
+ these symbols.
+ * Makefile.am: Remove dependencies on emultempl/mipself.em.
+ * Makefile.in: Regenerate.
+
2004-04-21 Anil Paranjpe <anilp1@kpitcummins.com>
* ld.texinfo (synthesizing on H8/300): Information about linker
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32_i960 "$(tdir_elf32_i960)"
eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
$(srcdir)/scripttempl/elf32cr16c.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32cr16c "$(tdir_elf32cr16c)"
eelf32bmip.c: $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bmip "$(tdir_elf32bmip)"
eelf32bsmip.c: $(srcdir)/emulparams/elf32bsmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bsmip "$(tdir_elf32bsmip)"
eelf32btsmip.c: $(srcdir)/emulparams/elf32btsmip.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)"
eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32btsmipn32 "$(tdir_elf32btsmipn32)"
eelf32ltsmip.c: $(srcdir)/emulparams/elf32ltsmip.sh \
$(srcdir)/emulparams/elf32btsmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ltsmip "$(tdir_elf32ltsmip)"
eelf32ltsmipn32.c: $(srcdir)/emulparams/elf32ltsmipn32.sh \
$(srcdir)/emulparams/elf32btsmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ltsmipn32 "$(tdir_elf32ltsmipn32)"
eelf32ebmip.c: $(srcdir)/emulparams/elf32ebmip.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ebmip "$(tdir_elf32ebmip)"
eelf32elmip.c: $(srcdir)/emulparams/elf32elmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32elmip "$(tdir_elf32elmip)"
eelf32bmipn32.c: $(srcdir)/emulparams/elf32bmipn32.sh \
${GENSCRIPTS} elf32bmipn32 "$(tdir_elf32bmipn32)"
eelf32l4300.c: $(srcdir)/emulparams/elf32l4300.sh \
$(srcdir)/emulparams/elf32b4300.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32l4300 "$(tdir_elf32l4300)"
eelf32lmip.c: $(srcdir)/emulparams/elf32lmip.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32lmip "$(tdir_elf32lmip)"
eelf32mipswindiss.c: $(srcdir)/emulparams/elf32mipswindiss.sh \
${GENSCRIPTS} elf32ppcwindiss "$(tdir_elf32ppcwindiss)"
eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32lsmip "$(tdir_elf32lsmip)"
eelf32openrisc.c: $(srcdir)/emulparams/elf32openrisc.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32_i960 "$(tdir_elf32_i960)"
eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
$(srcdir)/scripttempl/elf32cr16c.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32cr16c "$(tdir_elf32cr16c)"
eelf32bmip.c: $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bmip "$(tdir_elf32bmip)"
eelf32bsmip.c: $(srcdir)/emulparams/elf32bsmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32bsmip "$(tdir_elf32bsmip)"
eelf32btsmip.c: $(srcdir)/emulparams/elf32btsmip.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)"
eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32btsmipn32 "$(tdir_elf32btsmipn32)"
eelf32ltsmip.c: $(srcdir)/emulparams/elf32ltsmip.sh \
$(srcdir)/emulparams/elf32btsmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ltsmip "$(tdir_elf32ltsmip)"
eelf32ltsmipn32.c: $(srcdir)/emulparams/elf32ltsmipn32.sh \
$(srcdir)/emulparams/elf32btsmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ltsmipn32 "$(tdir_elf32ltsmipn32)"
eelf32ebmip.c: $(srcdir)/emulparams/elf32ebmip.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32ebmip "$(tdir_elf32ebmip)"
eelf32elmip.c: $(srcdir)/emulparams/elf32elmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32elmip "$(tdir_elf32elmip)"
eelf32bmipn32.c: $(srcdir)/emulparams/elf32bmipn32.sh \
${GENSCRIPTS} elf32bmipn32 "$(tdir_elf32bmipn32)"
eelf32l4300.c: $(srcdir)/emulparams/elf32l4300.sh \
$(srcdir)/emulparams/elf32b4300.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32l4300 "$(tdir_elf32l4300)"
eelf32lmip.c: $(srcdir)/emulparams/elf32lmip.sh \
- $(srcdir)/emulparams/elf32bmip.sh $(srcdir)/emultempl/mipself.em \
+ $(srcdir)/emulparams/elf32bmip.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32lmip "$(tdir_elf32lmip)"
eelf32mipswindiss.c: $(srcdir)/emulparams/elf32mipswindiss.sh \
${GENSCRIPTS} elf32ppcwindiss "$(tdir_elf32ppcwindiss)"
eelf32lsmip.c: $(srcdir)/emulparams/elf32lsmip.sh \
$(srcdir)/emulparams/elf32lmip.sh $(srcdir)/emulparams/elf32bmip.sh \
- $(srcdir)/emultempl/mipself.em \
$(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32lsmip "$(tdir_elf32lsmip)"
eelf32openrisc.c: $(srcdir)/emulparams/elf32openrisc.sh \
ARCH=mips
MACHINE=
TEMPLATE_NAME=elf32
-EXTRA_EM_FILE=mipself
GENERATE_SHLIB_SCRIPT=yes
ENTRY=start
TEXT_START_ADDR=0xa0012000
DATA_ADDR=.
-TEMPLATE_NAME=mipsecoff
+TEMPLATE_NAME=generic
+EXTRA_EM_FILE=mipsecoff
EMBEDDED=yes
ENTRY=start
TEXT_START_ADDR=0xa0012000
DATA_ADDR=.
-TEMPLATE_NAME=mipsecoff
+TEMPLATE_NAME=generic
+EXTRA_EM_FILE=mipsecoff
EMBEDDED=yes
# This shell script emits a C file. -*- C -*-
-# It does some substitutions.
+# Copyright 1994, 1995, 1997, 2000, 2002, 2003, 2004
+# Free Software Foundation, Inc.
+#
+# This file is part of GLD, the Gnu Linker.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+
if [ -z "$MACHINE" ]; then
OUTPUT_ARCH=${ARCH}
else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
-cat >e${EMULATION_NAME}.c <<EOF
-/* This file is is generated by a shell script. DO NOT EDIT! */
-
-/* Handle embedded relocs for MIPS.
- Copyright 1994, 1995, 1997, 2000, 2002, 2003, 2004
- Free Software Foundation, Inc.
- Written by Ian Lance Taylor <ian@cygnus.com> based on generic.em.
-
-This file is part of GLD, the Gnu Linker.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#define TARGET_IS_${EMULATION_NAME}
-
-#include "bfd.h"
-#include "sysdep.h"
-#include "bfdlink.h"
-
-#include "ld.h"
-#include "ldmain.h"
-#include "ldmisc.h"
-
-#include "ldexp.h"
-#include "ldlang.h"
-#include "ldfile.h"
-#include "ldemul.h"
-
-static void check_sections (bfd *, asection *, void *);
-
+cat >>e${EMULATION_NAME}.c <<EOF
static void
gld${EMULATION_NAME}_before_parse (void)
{
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
#endif /* not TARGET_ */
}
-
-/* This function is run after all the input files have been opened.
- We create a .rel.sdata section for each input file with a non zero
- .sdata section. The BFD backend will fill in these sections with
- magic numbers which can be used to relocate the data section at run
- time. This will only do the right thing if all the input files
- have been compiled using -membedded-pic. */
-
-static void
-gld${EMULATION_NAME}_after_open (void)
-{
- bfd *abfd;
-
- if (! command_line.embedded_relocs
- || link_info.relocatable)
- return;
-
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
- {
- asection *datasec;
-
- /* As first-order business, make sure that each input BFD is ECOFF. It
- better be, as we are directly calling an ECOFF backend function. */
- if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour)
- einfo ("%F%B: all input objects must be ECOFF for --embedded-relocs\n");
-
- datasec = bfd_get_section_by_name (abfd, ".sdata");
-
- /* Note that we assume that the reloc_count field has already
- been set up. We could call bfd_get_reloc_upper_bound, but
- that returns the size of a memory buffer rather than a reloc
- count. We do not want to call bfd_canonicalize_reloc,
- because although it would always work it would force us to
- read in the relocs into BFD canonical form, which would waste
- a significant amount of time and memory. */
- if (datasec != NULL && datasec->reloc_count > 0)
- {
- asection *relsec;
-
- relsec = bfd_make_section (abfd, ".rel.sdata");
- if (relsec == NULL
- || ! bfd_set_section_flags (abfd, relsec,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY))
- || ! bfd_set_section_alignment (abfd, relsec, 2)
- || ! bfd_set_section_size (abfd, relsec,
- datasec->reloc_count * 4))
- einfo ("%F%B: can not create .rel.sdata section: %E\n");
- }
-
- /* Double check that all other data sections are empty, as is
- required for embedded PIC code. */
- bfd_map_over_sections (abfd, check_sections, datasec);
- }
-}
-
-/* Check that of the data sections, only the .sdata section has
- relocs. This is called via bfd_map_over_sections. */
-
-static void
-check_sections (bfd *abfd, asection *sec, void *sdatasec)
-{
- if ((bfd_get_section_flags (abfd, sec) & SEC_CODE) == 0
- && sec != sdatasec
- && sec->reloc_count != 0)
- einfo ("%B%X: section %s has relocs; can not use --embedded-relocs\n",
- abfd, bfd_get_section_name (abfd, sec));
-}
-
-/* This function is called after the section sizes and offsets have
- been set. If we are generating embedded relocs, it calls a special
- BFD backend routine to do the work. */
-
-static void
-gld${EMULATION_NAME}_after_allocation (void)
-{
- bfd *abfd;
-
- if (! command_line.embedded_relocs
- || link_info.relocatable)
- return;
-
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
- {
- asection *datasec, *relsec;
- char *errmsg;
-
- datasec = bfd_get_section_by_name (abfd, ".sdata");
-
- if (datasec == NULL || datasec->reloc_count == 0)
- continue;
-
- relsec = bfd_get_section_by_name (abfd, ".rel.sdata");
- ASSERT (relsec != NULL);
-
- if (! bfd_mips_ecoff_create_embedded_relocs (abfd, &link_info,
- datasec, relsec,
- &errmsg))
- {
- if (errmsg == NULL)
- einfo ("%B%X: can not create runtime reloc information: %E\n",
- abfd);
- else
- einfo ("%X%B: can not create runtime reloc information: %s\n",
- abfd, errmsg);
- }
- }
-}
-
-static char *
-gld${EMULATION_NAME}_get_script (int *isfile)
EOF
-if test -n "$COMPILE_IN"
-then
-# Scripts compiled in.
-
-# sed commands to quote an ld script as a C string.
-sc="-f stringify.sed"
-
-cat >>e${EMULATION_NAME}.c <<EOF
-{
- *isfile = 0;
-
- if (link_info.relocatable && config.build_constructors)
- return
-EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
-echo ' ; else return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
-echo '; }' >> e${EMULATION_NAME}.c
-
-else
-# Scripts read from the filesystem.
-
-cat >>e${EMULATION_NAME}.c <<EOF
-{
- *isfile = 1;
-
- if (link_info.relocatable && config.build_constructors)
- return "ldscripts/${EMULATION_NAME}.xu";
- else if (link_info.relocatable)
- return "ldscripts/${EMULATION_NAME}.xr";
- else if (!config.text_read_only)
- return "ldscripts/${EMULATION_NAME}.xbn";
- else if (!config.magic_demand_paged)
- return "ldscripts/${EMULATION_NAME}.xn";
- else
- return "ldscripts/${EMULATION_NAME}.x";
-}
-EOF
-
-fi
-
-cat >>e${EMULATION_NAME}.c <<EOF
-
-struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
-{
- gld${EMULATION_NAME}_before_parse,
- syslib_default,
- hll_default,
- after_parse_default,
- gld${EMULATION_NAME}_after_open,
- gld${EMULATION_NAME}_after_allocation,
- set_output_arch_default,
- ldemul_default_target,
- before_allocation_default,
- gld${EMULATION_NAME}_get_script,
- "${EMULATION_NAME}",
- "${OUTPUT_FORMAT}",
- NULL, /* finish */
- NULL, /* create output section statements */
- NULL, /* open dynamic archive */
- NULL, /* place orphan */
- NULL, /* set symbols */
- NULL, /* parse args */
- NULL, /* add_options */
- NULL, /* handle_option */
- NULL, /* unrecognized file */
- NULL, /* list options */
- NULL, /* recognized file */
- NULL, /* find_potential_libraries */
- NULL /* new_vers_pattern */
-};
-EOF
+LDEMUL_BEFORE_PARSE=gld${EMULATION_NAME}_before_parse
+++ /dev/null
-# This shell script emits a C file. -*- C -*-
-# Copyright 2002, 2003 Free Software Foundation, Inc.
-# Written by Mitch Lichtenberg <mpl@broadcom.com> and
-# Chris Demetriou <cgd@broadcom.com> based on m68kelf.em and mipsecoff.em.
-#
-# This file is part of GLD, the Gnu Linker.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
-# This file is sourced from elf32.em, and defines some extra routines for m68k
-# embedded systems using ELF and for some other systems using m68k ELF. While
-# it is sourced from elf32.em for all m68k ELF configurations, here we include
-# only the features we want depending on the configuration.
-
-case ${target} in
- mips*-*-elf)
- echo "#define SUPPORT_EMBEDDED_RELOCS" >>e${EMULATION_NAME}.c
- ;;
-esac
-
-cat >>e${EMULATION_NAME}.c <<EOF
-
-#ifdef SUPPORT_EMBEDDED_RELOCS
-static void mips_elf${ELFSIZE}_check_sections (bfd *, asection *, void *);
-#endif
-
-/* This function is run after all the input files have been opened. */
-
-static void
-mips_elf${ELFSIZE}_after_open (void)
-{
- /* Call the standard elf routine. */
- gld${EMULATION_NAME}_after_open ();
-
-#ifdef SUPPORT_EMBEDDED_RELOCS
- if (command_line.embedded_relocs && (! link_info.relocatable))
- {
- bfd *abfd;
-
- /* In the embedded relocs mode we create a .rel.sdata section for
- each input file with a .sdata section which has has
- relocations. The BFD backend will fill in these sections
- with magic numbers which can be used to relocate the data
- section at run time. */
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
- {
- asection *datasec;
-
- /* As first-order business, make sure that each input BFD is
- ELF. We need to call a special BFD backend function to
- generate the embedded relocs, and we have that function
- only for ELF */
-
- if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
- einfo ("%F%B: all input objects must be ELF for --embedded-relocs\n");
-
- if (bfd_get_arch_size (abfd) != ${ELFSIZE})
- einfo ("%F%B: all input objects must be ${ELFSIZE}-bit ELF for --embedded-relocs\n");
-
- datasec = bfd_get_section_by_name (abfd, ".sdata");
-
- /* Note that we assume that the reloc_count field has already
- been set up. We could call bfd_get_reloc_upper_bound, but
- that returns the size of a memory buffer rather than a reloc
- count. We do not want to call bfd_canonicalize_reloc,
- because although it would always work it would force us to
- read in the relocs into BFD canonical form, which would waste
- a significant amount of time and memory. */
-
- if (datasec != NULL && datasec->reloc_count > 0)
- {
- asection *relsec;
-
- relsec = bfd_make_section (abfd, ".rel.sdata");
- if (relsec == NULL
- || ! bfd_set_section_flags (abfd, relsec,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY))
- || ! bfd_set_section_alignment (abfd, relsec,
- (${ELFSIZE} == 32) ? 2 : 3)
- || ! bfd_set_section_size (abfd, relsec,
- datasec->reloc_count
- * ((${ELFSIZE} / 8) + 8)))
- einfo ("%F%B: cannot create .rel.sdata section: %E\n");
- }
-
- /* Double check that all other data sections have no relocs,
- as is required for embedded PIC code. */
- bfd_map_over_sections (abfd, mips_elf${ELFSIZE}_check_sections,
- datasec);
- }
- }
-#endif /* SUPPORT_EMBEDDED_RELOCS */
-}
-
-#ifdef SUPPORT_EMBEDDED_RELOCS
-/* Check that of the data sections, only the .sdata section has
- relocs. This is called via bfd_map_over_sections. */
-
-static void
-mips_elf${ELFSIZE}_check_sections (bfd *abfd, asection *sec, void *sdatasec)
-{
- if ((bfd_get_section_flags (abfd, sec) & SEC_DATA)
- && sec != sdatasec
- && sec->reloc_count != 0)
- einfo ("%B%X: section %s has relocs; cannot use --embedded-relocs\n",
- abfd, bfd_get_section_name (abfd, sec));
-}
-#endif /* SUPPORT_EMBEDDED_RELOCS */
-
-/* This function is called after the section sizes and offsets have
- been set. If we are generating embedded relocs, it calls a special
- BFD backend routine to do the work. */
-
-static void
-mips_elf${ELFSIZE}_after_allocation (void)
-{
- /* Call the standard elf routine. */
- after_allocation_default ();
-
-#ifdef SUPPORT_EMBEDDED_RELOCS
- if (command_line.embedded_relocs && (! link_info.relocatable))
- {
- bfd *abfd;
-
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
- {
- asection *datasec, *relsec;
- char *errmsg;
-
- datasec = bfd_get_section_by_name (abfd, ".sdata");
-
- if (datasec == NULL || datasec->reloc_count == 0)
- continue;
-
- relsec = bfd_get_section_by_name (abfd, ".rel.sdata");
- ASSERT (relsec != NULL);
-
- if (! bfd_mips_elf${ELFSIZE}_create_embedded_relocs (abfd,
- &link_info,
- datasec,
- relsec,
- &errmsg))
- {
- if (errmsg == NULL)
- einfo ("%B%X: can not create runtime reloc information: %E\n",
- abfd);
- else
- einfo ("%X%B: can not create runtime reloc information: %s\n",
- abfd, errmsg);
- }
- }
- }
-#endif /* SUPPORT_EMBEDDED_RELOCS */
-}
-
-EOF
-
-# We have our own after_open and after_allocation functions, but they call
-# the standard routines, so give them a different name.
-LDEMUL_AFTER_OPEN=mips_elf${ELFSIZE}_after_open
-LDEMUL_AFTER_ALLOCATION=mips_elf${ELFSIZE}_after_allocation
linker is normally correct; don't use this unless you know what you are
doing.
-@cindex MIPS embedded PIC code
-@kindex --embedded-relocs
-@item --embedded-relocs
-This option is only meaningful when linking MIPS embedded PIC code,
-generated by the -membedded-pic option to the @sc{gnu} compiler and
-assembler. It causes the linker to create a table which may be used at
-runtime to relocate any data which was statically initialized to pointer
-values. See the code in testsuite/ld-empic for details.
-
@kindex --fatal-warnings
@item --fatal-warnings
*(.init)
${RELOCATING+ eprol = .};
*(.text)
- ${RELOCATING+PROVIDE (__runtime_reloc_start = .);}
- *(.rel.sdata)
- ${RELOCATING+PROVIDE (__runtime_reloc_stop = .);}
*(.fini)
${RELOCATING+ etext = .};
${RELOCATING+ _etext = .};
+2004-04-21 Chris Demetriou <cgd@broadcom.com>
+
+ * ld-empic/run.c: Removed as part of MIPS --embedded-relocs removal.
+ * ld-empic/empic.exp: Likewise.
+ * ld-empic/relax.t: Likewise.
+ * ld-empic/relax1.c: Likewise.
+ * ld-empic/relax2.c: Likewise.
+ * ld-empic/relax3.c: Likewise.
+ * ld-empic/relax4.c: Likewise.
+ * ld-empic/runtest1.c: Likewise.
+ * ld-empic/runtest2.c: Likewise.
+ * ld-empic/runtesti.s: Likewise.
+ * ld-mips-elf/empic1-ln.d: Likewise.
+ * ld-mips-elf/empic1-lp.d: Likewise.
+ * ld-mips-elf/empic1-mn.d: Likewise.
+ * ld-mips-elf/empic1-mp.d: Likewise.
+ * ld-mips-elf/empic1-ref.s: Likewise.
+ * ld-mips-elf/empic1-sn.d: Likewise.
+ * ld-mips-elf/empic1-sp.d: Likewise.
+ * ld-mips-elf/empic1-space.s: Likewise.
+ * ld-mips-elf/empic1-tgt.s: Likewise.
+ * ld-mips-elf/empic2-fwd-0.d: Likewise.
+ * ld-mips-elf/empic2-fwd-1.d: Likewise.
+ * ld-mips-elf/empic2-fwd-tgt.s: Likewise.
+ * ld-mips-elf/empic2-ref.s: Likewise.
+ * ld-mips-elf/empic2-rev-0.d: Likewise.
+ * ld-mips-elf/empic2-rev-1.d: Likewise.
+ * ld-mips-elf/empic2-rev-tgt.s: Likewise.
+ * ld-mips-elf/empic2-space.s: Likewise.
+ * ld-mips-elf/emrelocs-eb.d: Likewise.
+ * ld-mips-elf/emrelocs-el.d: Likewise.
+ * ld-mips-elf/emrelocs.ld: Likewise.
+ * ld-mips-elf/emrelocs1.s: Likewise.
+ * ld-mips-elf/emrelocs2.s: Likewise.
+ * ld-mips-elf/mips-elf.exp: Don't run now-removed tests.
+
2004-04-20 H.J. Lu <hongjiu.lu@intel.com>
* ld-elfweak/elfweak.exp: Add an undefined weak size change
+++ /dev/null
-# Expect script for ld-empic tests
-# Copyright 1994, 1995, 1996 Free Software Foundation, Inc.
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Written by Ian Lance Taylor (ian@cygnus.com)
-#
-
-# Test the handling of MIPS embedded PIC code. This test essentially
-# tests the compiler and assembler as well as the linker, since MIPS
-# embedded PIC is a GNU enhancement to standard MIPS tools.
-
-# Embedded PIC is only supported for MIPS ECOFF targets.
-if ![istarget mips*-*-ecoff*] {
- return
-}
-
-set testname relax
-
-if { [which $CC] == 0 } {
- untested $testname
- return
-}
-
-# Test that relaxation works correctly. This testsuite was composed
-# (by experimentation) to force the linker to relax twice--that is,
-# the first relaxation pass will force another call to be out of
-# range, requiring a second relaxation pass.
-if { ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/relax1.c tmpdir/relax1.o]
- || ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/relax2.c tmpdir/relax2.o]
- || ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/relax3.c tmpdir/relax3.o]
- || ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/relax4.c tmpdir/relax4.o] } {
- unresolved $testname
- return
-}
-
-if ![ld_simple_link $ld tmpdir/relax "--relax -T $srcdir/$subdir/relax.t tmpdir/relax1.o tmpdir/relax2.o tmpdir/relax3.o tmpdir/relax4.o"] {
- fail $testname
-} else {
- # Check that the relaxation produced the correct result. Check
- # each bal instruction. Some will go directly to the start of a
- # function, which is OK. Some will form part of the five
- # instruction expanded call sequence, in which case we compute the
- # real destination and make sure it is the start of a function.
- # Some bal instructions are used to locate the start of the
- # function in order to do position independent addressing into the
- # text section, in which case we just check that it correctly
- # computes the start of the function.
-
- # Get the symbol table.
- if ![ld_nm $nm "" tmpdir/relax] {
- unresolved $testname
- return
- }
-
- # Get a disassembly.
- send_log "$objdump -d tmpdir/relax >tmpdir/relax.dis\n"
- verbose "$objdump -d tmpdir/relax >tmpdir/relax.dis"
- catch "exec $objdump -d tmpdir/relax >tmpdir/relax.dis" exec_output
- if ![string match "" $exec_output] {
- send_log "$exec_output\n"
- verbose $exec_output
- unresolved $testname
- return
- }
-
- set balcnt 0
- set file [open tmpdir/relax.dis r]
- while { [gets $file line] != -1 } {
- verbose "$line" 2
-
- if ![string match "*bal*" $line] {
- continue
- }
-
- verbose "$line"
-
- incr balcnt
-
- if ![regexp "^(\[0-9a-fA-F\]+) (<\[a-z+0-9A-Z.\]+>)? bal (\[0-9a-fA-F\]+)" $line whole addr label dest] {
- perror "unrecognized format for $line"
- unresolved $testname
- return
- }
-
- if "0x$addr + 8 != 0x$dest" {
- # This is a straight function call. All function calls in
- # this example are to either foo or bar.
- if "0x$dest != $nm_output(foo) && 0x$dest != $nm_output(bar)" {
- send_log "fail 1\n"
- send_log "$line\n"
- fail $testname
- return
- }
- } else {
- # Pick up the next line. If it is sll, this is a switch
- # prologue, and there is not much we can do to test it.
- # Otherwise, it should be lui, and the next instruction
- # should be an addiu, followed by an addu to $31.
- if { [gets $file l] == -1 } {
- send_log "fail 2\n"
- send_log "$line\n"
- fail $testname
- return
- }
- verbose $l
-
- if [string match "*sll*" $l] {
- continue
- }
- if ![regexp "lui (\[\$a-z0-9\]+),(\[0-9a-fA-Fx\]+)" $l whole reg upper] {
- send_log "fail 3\n"
- send_log "$line\n"
- send_log "$l\n"
- fail $testname
- return
- }
-
- if { [gets $file l] == -1 } {
- send_log "fail 4\n"
- send_log "$line\n"
- fail $testname
- return
- }
- verbose "$l"
- if ![regexp "addiu \\$reg,\\$reg,(\[-0-9\]+)" $l whole lower] {
- send_log "fail 5\n"
- send_log "$line\n"
- send_log "$l\n"
- send_log "addiu \\$reg,\\$reg,(\[-0-9\]+)\n"
- fail $testname
- return
- }
-
- if { [gets $file l] == -1 } {
- send_log "fail 6\n"
- send_log "$line\n"
- fail $testname
- return
- }
- verbose "$l"
- if ![regexp "addu \\$reg,\\$reg,\\\$ra" $l] {
- send_log "fail 7\n"
- send_log "$line\n"
- send_log "$l\n"
- fail $testname
- return
- }
-
- # The next line will be jalr in the case of an expanded
- # call. Otherwise, the code is getting the start of the
- # function, and the next line can be anything.
-
- if { [gets $file l] == -1 } {
- send_log "fail 8\n"
- send_log "$line\n"
- fail $testname
- return
- }
- verbose "$l"
- if [string match "*jalr*" $l] {
- set dest [expr 0x$addr + 8 + ($upper << 16) + $lower]
- if { $dest != $nm_output(foo) && $dest != $nm_output(bar) } {
- send_log "fail 9\n"
- send_log "$line\n"
- fail $testname
- return
- }
- } else {
- set dest [expr ($upper << 16) + $lower]
- if ![regexp "<(\[.a-z\]+)\\+(\[0-9a-fA-F\]+)>" $label whole base offset] {
- send_log "fail 10\n"
- send_log "$line\n"
- fail $testname
- return
- }
- set offset 0x$offset
- if { $base == ".foo" } {
- set offset [expr $offset - ($nm_output(foo) - 0x30)]
- }
- if { $offset + 8 != - $dest } {
- send_log "fail 11\n"
- send_log "$line\n"
- fail $testname
- return
- }
- }
- }
- }
-
- close $file
-
- if {$balcnt < 10} {
- send_log "fail 12\n"
- fail $testname
- } else {
- verbose "$balcnt bal instructions"
- pass $testname
- }
-}
-
-# We now test actually running embedded MIPS PIC code. This can only
-# be done on a MIPS host with the same endianness as our target.
-if [istarget mipsel-*-*] {
- if ![ishost mips*-*-ultrix*] {
- return
- }
-} else {
- if ![ishost mips*-*-irix*] {
- return
- }
-}
-
-set testname "run embedded PIC code"
-
-# Compile the program which will run the test. This code must be
-# compiled for the host, not the target.
-send_log "$CC_FOR_HOST $CFLAGS_FOR_HOST -o tmpdir/run $srcdir/$subdir/run.c\n"
-verbose "$CC_FOR_HOST $CFLAGS_FOR_HOST -o tmpdir/run $srcdir/$subdir/run.c"
-catch "exec $CC_FOR_HOST $CFLAGS_FOR_HOST -o tmpdir/run $srcdir/$subdir/run.c" exec_output
-if ![string match "" $exec_output] {
- send_log "$exec_output\n"
- verbose "$exec_output"
- unresolved $testname
- return
-}
-
-# Compile and link the test.
-if { ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/runtesti.s tmpdir/runtesti.o]
- || ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/runtest1.c tmpdir/runtest1.o]
- || ![ld_compile "$CC $CFLAGS -membedded-pic" $srcdir/$subdir/runtest2.c tmpdir/runtest2.o] } {
- unresolved $testname
- return
-}
-if ![ld_simple_link $ld tmpdir/runtest "--embedded-relocs tmpdir/runtesti.o tmpdir/runtest1.o tmpdir/runtest2.o"] {
- fail $testname
-} else {
- # Now run the test.
- send_log "tmpdir/run tmpdir/runtest\n"
- verbose "tmpdir/run tmpdir/runtest"
- catch "exec tmpdir/run tmpdir/runtest" exec_output
- if [string match "*ran and returned 0*" $exec_output] {
- send_log "$exec_output\n"
- verbose "$exec_output"
- pass $testname
- } else {
- send_log "$exec_output\n"
- verbose "$exec_output"
- fail $testname
- }
-}
+++ /dev/null
-OUTPUT_FORMAT("ecoff-bigmips")
-SECTIONS
-{
- .foo 0x30 : {
- tmpdir/relax3.o(.text)
- tmpdir/relax1.o(.text)
- }
- .text 0x20000 : {
- _ftext = . ;
- *(.init)
- eprol = .;
- tmpdir/relax4.o(.text)
- *(.text)
- *(.fini)
- etext = .;
- _etext = .;
- }
- .rdata . : {
- *(.rdata)
- }
- _fdata = .;
- .data . : {
- *(.data)
- CONSTRUCTORS
- }
- _gp = . + 0x8000;
- .lit8 . : {
- *(.lit8)
- }
- .lit4 . : {
- *(.lit4)
- }
- .sdata . : {
- *(.sdata)
- }
- edata = .;
- _edata = .;
- _fbss = .;
- .sbss . : {
- *(.sbss)
- *(.scommon)
- }
- .bss . : {
- *(.bss)
- *(COMMON)
- }
- end = .;
- _end = .;
-}
+++ /dev/null
-/* First source file in relaxation test. */
-
-extern int bar ();
-static int foo2 ();
-
-int foo (int i)
-{
- switch (i)
- {
- case 0: bar (0); break;
- case 1: bar (1); break;
- case 2: bar (2); break;
- case 3: bar (3); break;
- case 4: bar (foo2); break;
- case 5: bar (bar); break;
- }
- while (1)
- if (i)
- return bar ();
-}
-
-static int foo2 () { }
+++ /dev/null
-/* Second source file in relaxation test. */
-
-int bar2 ()
-{
- int i;
-
- for (i = 0; i < 100; i++)
- foo ();
- return foo () + foo () + foo () + foo ();
-}
-
-int bar (int i)
-{
- while (1)
- if (i)
- return foo ();
- else
- return foo ();
-}
+++ /dev/null
-/* Third source file in relaxation test. */
-
-int quux () { return 0; }
+++ /dev/null
-/* Fourth source file in relaxation test. */
-
-int xyzzy () { return 0; }
+++ /dev/null
-/* Load and run a MIPS position independent ECOFF file.
- Written by Ian Lance Taylor <ian@cygnus.com>
- Public domain. */
-
-/* This program will load an ECOFF file into memory and execute it.
- The file must have been compiled using the GNU -membedded-pic
- switch to produce position independent code. This will only work
- if this program is run on a MIPS system with the same endianness as
- the ECOFF file. The ECOFF file must be complete. System calls may
- not work correctly.
-
- There are further restrictions on the file (they could be removed
- by doing some additional programming). The file must be aligned
- such that it does not require any gaps introduced in the data
- segment; the GNU linker produces such files by default. However,
- the file must not assume that the text or data segment is aligned
- on a page boundary. The start address must be at the start of the
- text segment.
-
- The ECOFF file is run by calling it as though it were a function.
- The address of the data segment is passed as the only argument.
- The file is expected to return an integer value, which will be
- printed. */
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-/* Structures used in ECOFF files. We assume that a short is two
- bytes and an int is four bytes. This is not much of an assumption,
- since we already assume that we are running on a MIPS host with the
- same endianness as the file we are examining. */
-
-struct ecoff_filehdr {
- unsigned short f_magic; /* magic number */
- unsigned short f_nscns; /* number of sections */
- unsigned int f_timdat; /* time & date stamp */
- unsigned int f_symptr; /* file pointer to symtab */
- unsigned int f_nsyms; /* number of symtab entries */
- unsigned short f_opthdr; /* sizeof(optional hdr) */
- unsigned short f_flags; /* flags */
-};
-
-struct ecoff_aouthdr
-{
- unsigned short magic; /* type of file */
- unsigned short vstamp; /* version stamp */
- unsigned int tsize; /* text size in bytes, padded to FW bdry*/
- unsigned int dsize; /* initialized data " " */
- unsigned int bsize; /* uninitialized data " " */
- unsigned int entry; /* entry pt. */
- unsigned int text_start; /* base of text used for this file */
- unsigned int data_start; /* base of data used for this file */
- unsigned int bss_start; /* base of bss used for this file */
- unsigned int gprmask; /* ?? */
- unsigned int cprmask[4]; /* ?? */
- unsigned int gp_value; /* value for gp register */
-};
-
-#define ECOFF_SCNHDR_SIZE (40)
-
-static void
-die (s)
- char *s;
-{
- perror (s);
- exit (1);
-}
-
-int
-main (argc, argv)
- int argc;
- char **argv;
-{
- FILE *f;
- struct stat s;
- char *z;
- struct ecoff_filehdr *fh;
- struct ecoff_aouthdr *ah;
- unsigned int toff;
- char *t, *d;
- int (*pfn) ();
- int ret;
-
- if (argc != 2)
- {
- fprintf (stderr, "Usage: %s file\n", argv[0]);
- exit (1);
- }
-
- f = fopen (argv[1], "r");
- if (f == NULL)
- die (argv[1]);
-
- if (stat (argv[1], &s) < 0)
- die ("stat");
-
- z = (char *) malloc (s.st_size);
- if (z == NULL)
- die ("malloc");
-
- if (fread (z, 1, s.st_size, f) != s.st_size)
- die ("fread");
-
- /* We need to figure out the start of the text segment, which is the
- location we are going to call, and the start of the data segment,
- which we are going to pass as an argument. We also need the size
- and start address of the bss segment. This information is all in
- the ECOFF a.out header. */
-
- fh = (struct ecoff_filehdr *) z;
- if (fh->f_opthdr != sizeof (struct ecoff_aouthdr))
- {
- fprintf (stderr, "%s: unexpected opthdr size: is %u, want %u\n",
- argv[1], (unsigned int) fh->f_opthdr,
- (unsigned int) sizeof (struct ecoff_aouthdr));
- exit (1);
- }
-
- ah = (struct ecoff_aouthdr *) (z + sizeof (struct ecoff_filehdr));
- if (ah->magic != 0413)
- {
- fprintf (stderr, "%s: bad aouthdr magic number 0%o (want 0413)\n",
- argv[1], (unsigned int) ah->magic);
- exit (1);
- }
-
- /* We should clear the bss segment at this point. This is the
- ah->bsize bytes starting at ah->bss_start, To do this correctly,
- we would have to make sure our memory block is large enough. It
- so happens that our test case does not have any additional pages
- for the bss segment--it is contained within the data segment.
- So, we don't bother. */
- if (ah->bsize != 0)
- {
- fprintf (stderr,
- "%s: bss segment is %u bytes; non-zero sizes not supported\n",
- argv[1], ah->bsize);
- exit (1);
- }
-
- /* The text section starts just after all the headers, rounded to a
- 16 byte boundary. */
- toff = (sizeof (struct ecoff_filehdr) + sizeof (struct ecoff_aouthdr)
- + fh->f_nscns * ECOFF_SCNHDR_SIZE);
- toff += 15;
- toff &=~ 15;
- t = z + toff;
-
- /* The tsize field gives us the start of the data segment. */
- d = z + ah->tsize;
-
- /* Call the code as a function. */
- pfn = (int (*) ()) t;
- ret = (*pfn) (d);
-
- printf ("%s ran and returned %d\n", argv[1], ret);
-
- exit (0);
-}
+++ /dev/null
-/* First C source file for actual execution test. */
-
-/* The main point of this test is to make sure that the code and data
- are truly position independent. We statically initialize several
- global variables, and make sure that they are correctly adjusted at
- runtime. */
-
-int i = 1;
-int j = 0;
-extern int k;
-int l;
-char small_buf[] = "aaaa";
-char *small_pointer = small_buf;
-char big_buf[] = "aaaaaaaaaaaaaaaa";
-char *big_pointer = big_buf;
-
-extern int bar ();
-int (*pbar) () = bar;
-
-static int
-foo2 (arg)
- int arg;
-{
- l = arg;
- return i + j;
-}
-
-int (*pfoo2) () = foo2;
-
-int
-chkstr (z, c)
- char *z;
- int c;
-{
- /* Switch statements need extra effort to be position independent,
- so we run one here, even though most of the cases will never be
- taken. */
- switch (c)
- {
- case 1:
- case 2:
- case 3:
- return i - 1;
- case 4:
- break;
- case 5:
- case 6:
- case 7:
- case 8:
- case 9:
- return i * j;
- case 10:
- case 11:
- case 12:
- case 13:
- case 14:
- case 15:
- return j;
- case 16:
- break;
- default:
- return 0;
- }
-
- while (c-- != 0)
- if (*z++ != 'a')
- return 0;
-
- return *z == '\0';
-}
-
-/* This function is called by the assembler startup routine. It tries
- to test that everything was correctly initialized. It returns 0 on
- success, something else on failure. */
-
-int
-foo ()
-{
- if (i != 1)
- return 1;
- if (j != 0)
- return 2;
- if (! chkstr (small_buf, 4))
- return 3;
- if (! chkstr (small_pointer, 4))
- return 4;
- if (! chkstr (big_buf, 16))
- return 5;
- if (! chkstr (big_pointer, 16))
- return 6;
-
- if (l != 0)
- return 7;
- if (foo2 (1) != 1)
- return 8;
- if (l != 1)
- return 9;
- if ((*pfoo2) (2) != 1)
- return 10;
- if (l != 2)
- return 11;
-
- if (bar (1) != 0)
- return 12;
- if (bar (-1) != 1)
- return 13;
- if ((*pbar) (0xa5a5a5a5) != -1)
- return 14;
- if (k != 0xa5a5a5a5)
- return 15;
- if ((*pbar) (0) != 0xa5a5a5a5)
- return 16;
- if (k != 0)
- return 17;
-
- return 0;
-}
+++ /dev/null
-/* Second C source file for actual execution test. */
-
-int k;
-extern int i;
-extern int j;
-extern char small_buf[];
-extern char *small_pointer;
-
-extern int chkstr ();
-
-int
-bar (n)
- int n;
-{
- int r;
-
- if (i != 1
- || j != 0
- || ! chkstr (small_buf, 4)
- || ! chkstr (small_pointer, 4))
- return k + 1;
-
- r = k;
- k = n;
- return r;
-}
+++ /dev/null
-# Assembler initialization code for actual execution test.
-
-# This code becomes the start of the execution test program. It is
-# responsible for initializing the static data, invoking the C code,
-# and returning the result. It is called as though it were a C
-# function with an argument of the address of the data segment.
-
-# We need to know the value of _ftext and _fdata at link time, but we
-# have no way to actually get that at runtime. This is because when
-# this code is compiled with -membedded-pic, the la instruction will
-# be turned into an addiu $gp instruction. We work around this by
-# storing the information in words in the .data section. We then load
-# the values of these words *before* doing the runtime relocation.
- .sdata
-text_start:
- .word _ftext
-data_start:
- .word _fdata
-
- .globl start
- .text
-start:
- # Grab some space on the stack, just as though we were a real
- # function.
- addiu $sp,$sp,-8
- sw $31,0($sp)
-
- # Save the $gp register, and set it up for our data section.
- sw $gp,4($sp)
-
- addu $gp,$4,0x8000 # macro
-
- # The start of the data segment is in $4.
-
- # Get the address of start into $5 in a position independent
- # fashion.
- .set noreorder
- $LF1 = . + 8
- bal $LF1
- la $5,start-$LF1 # macro
- .set reorder
- addu $5,$5,$31
-
- # Now get the address of _ftext into $6.
- la $6,_ftext-start # macro
- addu $6,$6,$5
-
- # Get the value of _ftext used to link into $7.
- lw $7,text_start # macro
-
- # Get the value of _fdata used to link into $8.
- lw $8,data_start # macro
-
- # Get the address of __runtime_reloc_start into $9.
- la $9,__runtime_reloc_start-start # macro
- addu $9,$9,$5
-
- # Get the address of __runtime_reloc_stop into $10.
- la $10,__runtime_reloc_stop-start # macro
- addu $10,$10,$5
-
- # The words between $9 and $10 are the runtime initialization
- # instructions. Step through and relocate them. First set
- # $11 and $12 to the values to add to text and data sections,
- # respectively.
- subu $11,$6,$7
- subu $12,$4,$8
-
-1:
- bge $9,$10,3f # macro
- lw $13,0($9)
- and $14,$13,0xfffffffe # macro
- move $15,$11
- beq $13,$14,2f
- move $15,$12
-2:
- addu $14,$14,$4
- lw $24,0($14)
- addu $24,$24,$15
- sw $24,0($14)
- addiu $9,$9,4
- b 1b
-3:
-
- # Now the statically initialized data has been relocated
- # correctly, and we can call the C code which does the actual
- # testing.
- bal foo
-
- # We return the value returned by the C code.
- lw $31,0($sp)
- lw $gp,4($sp)
- addu $sp,$sp,8
- j $31
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #1-ln (large negative)
-#as: -membedded-pic -mips3
-#source: empic1-tgt.s
-#source: empic1-space.s
-#source: empic1-space.s
-#source: empic1-ref.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-SYMBOL TABLE:
-#...
-0+410020 g F .text [0-9a-f]+ foo
-#...
-0+400000 g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
- ...
- ...
- ...
-0+410020 <[^>]*> 00000000 nop
-0+410024 <[^>]*> 3c02ffff lui v0,0xffff
-0+410028 <[^>]*> 6442ffe0 daddiu v0,v0,-32
- ...
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #1-lp (large positive)
-#as: -membedded-pic -mips3
-#source: empic1-ref.s
-#source: empic1-space.s
-#source: empic1-space.s
-#source: empic1-tgt.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-SYMBOL TABLE:
-#...
-0+400000 g F .text [0-9a-f]+ foo
-#...
-0+410020 g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
-0+400000 <[^>]*> 00000000 nop
-0+400004 <[^>]*> 3c020001 lui v0,0x1
-0+400008 <[^>]*> 64420020 daddiu v0,v0,32
- ...
- ...
- ...
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #1-mn (medium negative)
-#as: -membedded-pic -mips3
-#source: empic1-tgt.s
-#source: empic1-space.s
-#source: empic1-ref.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-SYMBOL TABLE:
-#...
-0+408020 g F .text [0-9a-f]+ foo
-#...
-0+400000 g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
- ...
- ...
-0+408020 <[^>]*> 00000000 nop
-0+408024 <[^>]*> 3c02ffff lui v0,0xffff
-0+408028 <[^>]*> 64427fe0 daddiu v0,v0,32736
- ...
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #1-mp (medium positive)
-#as: -membedded-pic -mips3
-#source: empic1-ref.s
-#source: empic1-space.s
-#source: empic1-tgt.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-SYMBOL TABLE:
-#...
-0+400000 g F .text [0-9a-f]+ foo
-#...
-0+408020 g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
-0+400000 <[^>]*> 00000000 nop
-0+400004 <[^>]*> 3c020001 lui v0,0x1
-0+400008 <[^>]*> 64428020 daddiu v0,v0,-32736
- ...
- ...
- ...
-#pass
+++ /dev/null
-
- .globl foo
- .ent foo
-foo:
- nop
- la $2, bar - foo
- .end foo
-
- .p2align 5
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #1-sn (small negative)
-#as: -membedded-pic -mips3
-#source: empic1-tgt.s
-#source: empic1-ref.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-SYMBOL TABLE:
-#...
-0+400020 g F .text [0-9a-f]+ foo
-#...
-0+400000 g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
- ...
-0+400020 <[^>]*> 00000000 nop
-0+400024 <[^>]*> 3c020000 lui v0,0x0
-0+400028 <[^>]*> 6442ffe0 daddiu v0,v0,-32
- ...
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #1-sp (small positive)
-#as: -membedded-pic -mips3
-#source: empic1-ref.s
-#source: empic1-tgt.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-SYMBOL TABLE:
-#...
-0+400000 g F .text [0-9a-f]+ foo
-#...
-0+400020 g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
-0+400000 <[^>]*> 00000000 nop
-0+400004 <[^>]*> 3c020000 lui v0,0x0
-0+400008 <[^>]*> 64420020 daddiu v0,v0,32
- ...
- ...
-#pass
+++ /dev/null
-
- .ent space
-space:
- .space (32 * 1024)
- .end space
+++ /dev/null
-
- .globl bar
- .ent bar
-bar:
- nop
- .end bar
-
- .p2align 5
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #2-fwd-0 (0x7ffc forward edge case)
-#as: -membedded-pic -mips3
-#source: empic2-ref.s
-#source: empic2-fwd-tgt.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-#...
-0+400000 g F .text [0-9a-f]+ foo
-#...
-0+407ffc g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
-0+400000 <[^>]*> 3c020000 lui v0,0x0
-0+400004 <[^>]*> 64427ffc daddiu v0,v0,32764
- ...
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #2-fwd-1 (0xfffc forward edge case)
-#as: -membedded-pic -mips3
-#source: empic2-ref.s
-#source: empic2-space.s
-#source: empic2-fwd-tgt.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-#...
-0+400000 g F .text [0-9a-f]+ foo
-#...
-0+40fffc g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
-0+400000 <[^>]*> 3c020001 lui v0,0x1
-0+400004 <[^>]*> 6442fffc daddiu v0,v0,-4
- ...
-#pass
+++ /dev/null
-
- .space (32768 - 16 - 4) # 16..32764
-
- .globl bar
- .ent bar
-bar:
- .end bar
+++ /dev/null
- .globl foo
- .ent foo
-foo:
- la $2,bar-foo
- .end foo
-
- .p2align 4
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #2-rev-0 (0x0004 backward edge case)
-#as: -membedded-pic -mips3
-#source: empic2-rev-tgt.s
-#source: empic2-ref.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-#...
-0+408000 g F .text [0-9a-f]+ foo
-#...
-0+407ffc g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
- ...
-0+407ffc <[^>]*> 00000000 nop
-0+408000 <[^>]*> 3c020000 lui v0,0x0
-0+408004 <[^>]*> 6442fffc daddiu v0,v0,-4
- ...
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded-pic relocs #2-rev-1 (0x8004 backward edge case)
-#as: -membedded-pic -mips3
-#source: empic2-rev-tgt.s
-#source: empic2-space.s
-#source: empic2-ref.s
-#objdump: --prefix-addresses -tdr --show-raw-insn -mmips:4000
-#ld: -Ttext 0x400000 -e 0x400000
-
-.*: file format elf.*mips.*
-
-#...
-0+410000 g F .text [0-9a-f]+ foo
-#...
-0+407ffc g F .text [0-9a-f]+ bar
-#...
-
-Disassembly of section \.text:
- ...
-0+407ffc <[^>]*> 00000000 nop
- ...
-0+410000 <[^>]*> 3c02ffff lui v0,0xffff
-0+410004 <[^>]*> 64427ffc daddiu v0,v0,32764
- ...
-#pass
+++ /dev/null
-
- .space (32768 - 4)
-
- .globl bar
- .ent bar
-bar:
- .space 4
- .end bar
+++ /dev/null
-
- .ent space
-space:
- .space (32 * 1024)
- .end space
+++ /dev/null
-#name: MIPS 32-bit ELF embedded relocs (big endian)
-#source: emrelocs1.s -EB
-#source: emrelocs2.s -EB
-#ld: -EB --embedded-relocs -T $srcdir/$subdir/emrelocs.ld
-#objdump: -s
-
-.*: file format elf.*mips.*
-
-Contents of section \.text:
- 100000 00000000 00000001 00000000 00000000 .*
- 100010 00000000 00000000 00000003 00000000 .*
-Contents of section \.data:
- 200000 00000000 00000002 00000000 00000000 .*
- 200010 00000000 00000000 00000004 00000000 .*
- 200020 00100004 00200004 00100018 00200018 .*
- 200030 00000000 00100004 00000000 00200004 .*
- 200040 00000000 00100018 00000000 00200018 .*
-Contents of section \.rel\.sdata:
- 300000 00000020 2e746578 74000000 00000024 .*
- 300010 2e646174 61000000 00000028 2e746578 .*
- 300020 74000000 0000002c 2e646174 61000000 .*
- 300030 00000031 2e746578 74000000 00000039 .*
- 300040 2e646174 61000000 00000041 2e746578 .*
- 300050 74000000 00000049 2e646174 61000000 .*
-#pass
+++ /dev/null
-#name: MIPS 32-bit ELF embedded relocs (little endian)
-#source: emrelocs1.s -EL
-#source: emrelocs2.s -EL
-#ld: -EL --embedded-relocs -T $srcdir/$subdir/emrelocs.ld
-#objdump: -s
-
-.*: file format elf.*mips.*
-
-Contents of section \.text:
- 100000 00000000 01000000 00000000 00000000 .*
- 100010 00000000 00000000 03000000 00000000 .*
-Contents of section \.data:
- 200000 00000000 02000000 00000000 00000000 .*
- 200010 00000000 00000000 04000000 00000000 .*
- 200020 04001000 04002000 18001000 18002000 .*
- 200030 04001000 00000000 04002000 00000000 .*
- 200040 18001000 00000000 18002000 00000000 .*
-Contents of section \.rel\.sdata:
- 300000 20000000 2e746578 74000000 24000000 .*
- 300010 2e646174 61000000 28000000 2e746578 .*
- 300020 74000000 2c000000 2e646174 61000000 .*
- 300030 31000000 2e746578 74000000 39000000 .*
- 300040 2e646174 61000000 41000000 2e746578 .*
- 300050 74000000 49000000 2e646174 61000000 .*
-#pass
+++ /dev/null
-ENTRY(ext_fun)
-SECTIONS
-{
- .text 0x00100000:
- {
- *(.text)
- }
- .data 0x00200000:
- {
- *(.sdata)
- }
- .rel.sdata 0x00300000:
- {
- *(.rel.sdata)
- }
-}
+++ /dev/null
-# emrelocs1.s: some external symbols to be used in relocations.
-
- .text
- .p2align 4
-
- # Pad things so addresses which are used for relocations
- # are non-zero. Zero simply isn't as much fun.
- .word 0
-
- .globl ext_fun
- .ent ext_fun
-ext_fun: .word 1
- .end ext_fun
-
-
- .sdata
- .p2align 4
-
- # Padding here, for same reason.
- .word 0
-
- .globl ext_var
-ext_var: .word 2
+++ /dev/null
-# emrelocs2.s: local symbols and data which causes relocations.
-
- .text
- .p2align 4
-
- .word 0, 0
-
- .ent lcl_fun
-lcl_fun: .word 3
- .end lcl_fun
-
-
- .sdata
- .p2align 4
-
- .word 0, 0
-
-lcl_var: .word 4
-
- .p2align 4
-
- .word ext_fun
- .word ext_var
- .word lcl_fun
- .word lcl_var
-
- .dword ext_fun
- .dword ext_var
- .dword lcl_fun
- .dword lcl_var
}
if { $embedded_elf } {
- # Check basic Embedded-PIC PC-relative HI/LO relocs.
- run_dump_test "empic1-ln"
- run_dump_test "empic1-lp"
- run_dump_test "empic1-mn"
- run_dump_test "empic1-mp"
- run_dump_test "empic1-sn"
- run_dump_test "empic1-sp"
-
- # Embedded-PIC PC-relative HI/LO reloc edge-case regression tests.
- # As of 2001-12-26, the linker botches the fwd-0 and rev-1 tests.
- run_dump_test "empic2-fwd-0"
- run_dump_test "empic2-fwd-1"
- run_dump_test "empic2-rev-0"
- run_dump_test "empic2-rev-1"
-
- # Check generation of embedded relocs section.
- run_dump_test "emrelocs-eb"
- run_dump_test "emrelocs-el"
-
run_dump_test "region1"
}
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