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bfd/
2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * elf-bfd.h (bfd_elf_special_section): New. (elf_backend_data): Add special_sections, a pointer to bfd_elf_special_section. (elf_section_type). New. (elf_section_flags): New. (_bfd_elf_get_sec_type_attr): New. * elf.c (_bfd_elf_make_section_from_shdr): Always use the real section type/flags. (special_sections): New. (get_special_section): New. (_bfd_elf_get_sec_type_attr): New. (_bfd_elf_new_section_hook): Check special_section to set elf_section_type and elf_section_flags. (elf_fake_sections): Don't use section name to set ELF section data. * elf32-m32r.c (m32r_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-m68hc11.c (elf32_m68hc11_special_sections): New. (elf_backend_special_sections): Defined. * elf32-mcore.c (mcore_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-ppc.c (ppc_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-sh64.c (sh64_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-v850.c (v850_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-xtensa.c (elf_xtensa_special_sections): New. (elf_backend_special_sections): Defined. * elf64-alpha.c (elf64_alpha_special_sections): New. (elf_backend_special_sections): Defined. * elf64-hppa.c (elf64_hppa_special_sections): New. (elf_backend_special_sections): Defined. * elf64-ppc.c (ppc64_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf64-sh64.c (sh64_elf64_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-ia64.c (elfNN_ia64_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-mips.c (_bfd_mips_elf_special_sections): New. * elfxx-mips.h (_bfd_mips_elf_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-target.h (elf_backend_special_sections): New. Default to NULL. (elfNN_bed): Initialize special_sections. * section.c (bfd_abs_section): Remove const. (bfd_und_section): Likewise. (bfd_com_section): Likewise. (bfd_ind_section): Likewise. gas/ 2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * config/obj-elf.c (special_sections): Removed. (obj_elf_change_section): Call _bfd_elf_get_sec_type_attr. Set elf_section_type and elf_section_flags. (elf_frob_file): Set SHT_GROUP. * config/obj-elf.h (obj_sec_set_private_data): New. * config/tc-alpha.h (ELF_TC_SPECIAL_SECTIONS): Removed. * config/tc-ia64.h: Likewise. * config/tc-m32r.h: Likewise. * config/tc-m68hc11.h: Likewise. * config/tc-mcore.h: Likewise. * config/tc-mips.h: Likewise. * config/tc-ppc.h: Likewise. * config/tc-sh64.h: Likewise. * config/tc-v850.h: Likewise. * config/tc-xtensa.h: Likewise. * config/tc-v850.h (SHF_V850_GPREL): Removed. (SHF_V850_EPREL): Likewise. (SHF_V850_R0REL): Likewise. * subsegs.c (subseg_get): Call obj_sec_set_private_data if it is defined. include/elf/ 2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * v850.h (SHF_V850_GPREL): New. (SHF_V850_EPREL): Likewise. (SHF_V850_R0REL): Likewise.
This commit is contained in:
H.J. Lu
@ -1,3 +1,30 @@
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2003-07-25 H.J. Lu <hongjiu.lu@intel.com>
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* config/obj-elf.c (special_sections): Removed.
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(obj_elf_change_section): Call _bfd_elf_get_sec_type_attr. Set
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elf_section_type and elf_section_flags.
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(elf_frob_file): Set SHT_GROUP.
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* config/obj-elf.h (obj_sec_set_private_data): New.
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* config/tc-alpha.h (ELF_TC_SPECIAL_SECTIONS): Removed.
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* config/tc-ia64.h: Likewise.
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* config/tc-m32r.h: Likewise.
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* config/tc-m68hc11.h: Likewise.
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* config/tc-mcore.h: Likewise.
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* config/tc-mips.h: Likewise.
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* config/tc-ppc.h: Likewise.
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* config/tc-sh64.h: Likewise.
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* config/tc-v850.h: Likewise.
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* config/tc-xtensa.h: Likewise.
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* config/tc-v850.h (SHF_V850_GPREL): Removed.
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(SHF_V850_EPREL): Likewise.
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(SHF_V850_R0REL): Likewise.
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* subsegs.c (subseg_get): Call obj_sec_set_private_data if it
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is defined.
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2003-07-24 Stephane Carrez <stcarrez@nerim.fr>
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* config/tc-m68hc11.h (DWARF2_ADDR_SIZE): Use 32-bit address for
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@ -601,63 +601,6 @@ static struct section_stack *section_stack;
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other possibilities, but I don't know what they are. In any case,
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BFD doesn't really let us set the section type. */
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/* Certain named sections have particular defined types, listed on p.
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4-19 of the ABI. */
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struct special_section
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{
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const char *name;
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int type;
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int attributes;
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};
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static struct special_section const special_sections[] =
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{
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{ ".bss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
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{ ".comment", SHT_PROGBITS, 0 },
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{ ".data", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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{ ".data1", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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{ ".debug", SHT_PROGBITS, 0 },
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#if defined (TC_HPPA) && !defined (TE_LINUX) && TARGET_ARCH_SIZE == 64
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{ ".fini", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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{ ".init", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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#else
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{ ".fini", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
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{ ".init", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
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#endif
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{ ".line", SHT_PROGBITS, 0 },
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{ ".note", SHT_NOTE, 0 },
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{ ".rodata", SHT_PROGBITS, SHF_ALLOC },
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{ ".rodata1", SHT_PROGBITS, SHF_ALLOC },
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{ ".tbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS },
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{ ".tdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS },
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{ ".text", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
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{ ".init_array",SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE },
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{ ".fini_array",SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE },
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{ ".preinit_array",SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE },
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#ifdef ELF_TC_SPECIAL_SECTIONS
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ELF_TC_SPECIAL_SECTIONS
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#endif
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#if 0
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/* The following section names are special, but they can not
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reasonably appear in assembler code. Some of the attributes are
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processor dependent. */
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{ ".dynamic", SHT_DYNAMIC, SHF_ALLOC /* + SHF_WRITE */ },
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{ ".dynstr", SHT_STRTAB, SHF_ALLOC },
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{ ".dynsym", SHT_DYNSYM, SHF_ALLOC },
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{ ".got", SHT_PROGBITS, 0 },
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{ ".hash", SHT_HASH, SHF_ALLOC },
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{ ".interp", SHT_PROGBITS, /* SHF_ALLOC */ },
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{ ".plt", SHT_PROGBITS, 0 },
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{ ".shstrtab",SHT_STRTAB, 0 },
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{ ".strtab", SHT_STRTAB, /* SHF_ALLOC */ },
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{ ".symtab", SHT_SYMTAB, /* SHF_ALLOC */ },
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#endif
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{ NULL, 0, 0 }
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};
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void
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obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push)
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const char *name;
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@ -671,7 +614,8 @@ obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push)
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asection *old_sec;
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segT sec;
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flagword flags;
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int i;
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int def_type;
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int def_attr;
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#ifdef md_flush_pending_output
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md_flush_pending_output ();
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@ -695,48 +639,52 @@ obj_elf_change_section (name, type, attr, entsize, group_name, linkonce, push)
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old_sec = bfd_get_section_by_name (stdoutput, name);
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sec = subseg_new (name, 0);
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/* See if this is one of the special sections. */
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for (i = 0; special_sections[i].name != NULL; i++)
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if (strcmp (name, special_sections[i].name) == 0)
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{
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if (type == SHT_NULL)
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type = special_sections[i].type;
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else if (type != special_sections[i].type)
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{
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if (old_sec == NULL
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/* FIXME: gcc, as of 2002-10-22, will emit
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if (_bfd_elf_get_sec_type_attr (stdoutput, name, &def_type,
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&def_attr))
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{
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if (type == SHT_NULL)
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type = def_type;
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else if (type != def_type)
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{
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if (old_sec == NULL
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/* FIXME: gcc, as of 2002-10-22, will emit
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.section .init_array,"aw",@progbits
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.section .init_array,"aw",@progbits
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for __attribute__ ((section (".init_array"))).
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"@progbits" is incorrect. */
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&& special_sections[i].type != SHT_INIT_ARRAY
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&& special_sections[i].type != SHT_FINI_ARRAY
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&& special_sections[i].type != SHT_PREINIT_ARRAY)
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{
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as_warn (_("setting incorrect section type for %s"), name);
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}
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else
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{
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as_warn (_("ignoring incorrect section type for %s"), name);
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type = special_sections[i].type;
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}
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}
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if ((attr &~ special_sections[i].attributes) != 0
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&& old_sec == NULL)
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{
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/* As a GNU extension, we permit a .note section to be
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allocatable. If the linker sees an allocateable .note
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section, it will create a PT_NOTE segment in the output
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file. */
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if (strcmp (name, ".note") != 0
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|| attr != SHF_ALLOC)
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as_warn (_("setting incorrect section attributes for %s"),
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for __attribute__ ((section (".init_array"))).
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"@progbits" is incorrect. */
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&& def_type != SHT_INIT_ARRAY
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&& def_type != SHT_FINI_ARRAY
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&& def_type != SHT_PREINIT_ARRAY)
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{
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/* We allow to specify any type for a .note section. */
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if (def_type != SHT_NOTE)
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as_warn (_("setting incorrect section type for %s"),
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name);
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}
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else
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{
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as_warn (_("ignoring incorrect section type for %s"),
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name);
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}
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attr |= special_sections[i].attributes;
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break;
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}
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type = def_type;
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}
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}
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if (old_sec == NULL && (attr &~ def_attr) != 0)
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{
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/* As a GNU extension, we permit a .note section to be
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allocatable. If the linker sees an allocateable .note
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section, it will create a PT_NOTE segment in the output
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file. */
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if (strcmp (name, ".note") != 0 || attr != SHF_ALLOC)
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as_warn (_("setting incorrect section attributes for %s"),
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name);
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}
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attr |= def_attr;
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elf_section_type (sec) = type;
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elf_section_flags (sec) = attr;
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}
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/* Convert ELF type and flags to BFD flags. */
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flags = (SEC_RELOC
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@ -2076,6 +2024,7 @@ elf_frob_file ()
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as_fatal (_("can't create group: %s"),
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bfd_errmsg (bfd_get_error ()));
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}
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elf_section_type (s) = SHT_GROUP;
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/* Pass a pointer to the first section in this group. */
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elf_next_in_group (s) = list.head[i];
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@ -134,6 +134,13 @@ int elf_s_get_other PARAMS ((symbolS *));
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extern asection *gdb_section;
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#ifndef obj_sec_set_private_data
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#define obj_sec_set_private_data(B, S) \
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if (! BFD_SEND ((B), _new_section_hook, ((B), (S)))) \
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as_fatal (_("can't allocate ELF private section data: %s"), \
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bfd_errmsg (bfd_get_error ()))
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#endif
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#ifndef obj_frob_file
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#define obj_frob_file elf_frob_file
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#endif
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@ -104,10 +104,6 @@ extern void alpha_frob_file_before_adjust PARAMS ((void));
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#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */
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#ifdef OBJ_ELF
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL }, \
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{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL },
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#define md_elf_section_letter alpha_elf_section_letter
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extern int alpha_elf_section_letter PARAMS ((int, char **));
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#define md_elf_section_flags alpha_elf_section_flags
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@ -151,10 +151,6 @@ extern void ia64_check_label PARAMS ((symbolS *));
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#define WORKING_DOT_WORD /* don't do broken word processing for now */
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, \
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{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
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#define DWARF2_LINE_MIN_INSN_LENGTH 1 /* so slot-multipliers can be 1 */
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/* This is the information required for unwind records in an ia64
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@ -98,11 +98,6 @@ int m32r_fill_insn PARAMS ((int));
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#define md_after_pass_hook() m32r_fill_insn (1)
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#define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0))
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/* Add extra M32R sections. */
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
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#define md_cleanup m32r_elf_section_change_hook
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#define md_elf_section_change_hook m32r_elf_section_change_hook
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extern void m32r_elf_section_change_hook PARAMS ((void));
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@ -53,18 +53,6 @@ extern int m68hc11_mach PARAMS ((void));
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#define TARGET_FORMAT (m68hc11_arch_format ())
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extern const char *m68hc11_arch_format PARAMS ((void));
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/* Specific sections:
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- The .page0 is a data section that is mapped in [0x0000..0x00FF].
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Page0 accesses are faster on the M68HC11. Soft registers used by GCC-m6811
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are located in .page0.
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- The .vectors is the data section that represents the interrupt
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vectors. */
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".eeprom", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".softregs",SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".page0", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".vectors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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#define LISTING_WORD_SIZE 1 /* A word is 1 bytes */
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#define LISTING_LHS_WIDTH 4 /* One word on the first line */
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#define LISTING_LHS_WIDTH_SECOND 4 /* One word on the second line */
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@ -83,12 +83,6 @@ struct mcore_tc_sy
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#define TARGET_FORMAT (target_big_endian ? "elf32-mcore-big" : "elf32-mcore-little")
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".ctors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".dtors", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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/* Other special sections not generated by the assembler: .reginfo,
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.liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
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/* No shared lib support, so we don't need to ensure externally
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visible symbols can be overridden. */
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#define EXTERN_FORCE_RELOC 0
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@ -162,16 +162,6 @@ extern unsigned long mips_cprmask[4];
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#define elf_tc_final_processing mips_elf_final_processing
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extern void mips_elf_final_processing (void);
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
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{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
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{ ".lit4", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
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{ ".lit8", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL }, \
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{ ".ucode", SHT_MIPS_UCODE, 0 }, \
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{ ".mdebug", SHT_MIPS_DEBUG, 0 },
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/* Other special sections not generated by the assembler: .reginfo,
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.liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn. */
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#endif
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extern void md_mips_end (void);
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@ -222,22 +222,6 @@ extern int ppc_section_flags PARAMS ((int, int, int));
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#define md_elf_section_word(STR, LEN) ppc_section_word (STR, LEN)
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#define md_elf_section_flags(FLAGS, ATTR, TYPE) ppc_section_flags (FLAGS, ATTR, TYPE)
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/* Add extra PPC sections -- Note, for now, make .sbss2 and .PPC.EMB.sbss0 a
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normal section, and not a bss section so that the linker doesn't crater
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when trying to make more than 2 sections. */
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".tags", SHT_ORDERED, SHF_ALLOC }, \
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{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".sdata2", SHT_PROGBITS, SHF_ALLOC }, \
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{ ".sbss2", SHT_PROGBITS, SHF_ALLOC }, \
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{ ".PPC.EMB.apuinfo", SHT_NOTE, 0 }, \
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{ ".PPC.EMB.sdata0", SHT_PROGBITS, SHF_ALLOC }, \
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{ ".PPC.EMB.sbss0", SHT_PROGBITS, SHF_ALLOC }, \
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/* Extra sections for 64-bit ELF PPC. */ \
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{ ".toc", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE}, \
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{ ".tocbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE},
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#define tc_comment_chars ppc_comment_chars
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extern const char *ppc_comment_chars;
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@ -174,9 +174,6 @@ extern void sh64_flush_pending_output PARAMS ((void));
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#define tc_frob_section(sec) shmedia_frob_section_type (sec)
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extern void shmedia_frob_section_type PARAMS ((asection *));
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".cranges", SHT_PROGBITS, 0 },
|
||||
|
||||
/* We need to emit fixups relative to the frag in which the instruction
|
||||
resides. Safest way without calculating max fragment growth or making
|
||||
it a fixed number is to provide a pointer to the opcode frag.
|
||||
|
||||
@ -74,28 +74,6 @@ extern const struct relax_type md_relax_table[];
|
||||
#define HANDLE_ALIGN(frag) v850_handle_align (frag)
|
||||
extern void v850_handle_align PARAMS ((fragS *));
|
||||
|
||||
/* This section must be in the small data area (pointed to by GP). */
|
||||
#define SHF_V850_GPREL 0x10000000
|
||||
/* This section must be in the tiny data area (pointed to by EP). */
|
||||
#define SHF_V850_EPREL 0x20000000
|
||||
/* This section must be in the zero data area (pointed to by R0). */
|
||||
#define SHF_V850_R0REL 0x40000000
|
||||
|
||||
#define ELF_TC_SPECIAL_SECTIONS \
|
||||
{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
|
||||
{ ".rosdata", SHT_PROGBITS, SHF_ALLOC + SHF_V850_GPREL }, \
|
||||
{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
|
||||
{ ".scommon", SHT_V850_SCOMMON, SHF_ALLOC + SHF_WRITE + SHF_V850_GPREL }, \
|
||||
{ ".tdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL }, \
|
||||
{ ".tbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_EPREL }, \
|
||||
{ ".tcommon", SHT_V850_TCOMMON, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
|
||||
{ ".zdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
|
||||
{ ".rozdata", SHT_PROGBITS, SHF_ALLOC + SHF_V850_R0REL }, \
|
||||
{ ".zbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
|
||||
{ ".zcommon", SHT_V850_ZCOMMON, SHF_ALLOC + SHF_WRITE + SHF_V850_R0REL }, \
|
||||
{ ".call_table_data", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
|
||||
{ ".call_table_text", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_EXECINSTR },
|
||||
|
||||
#define MD_PCREL_FROM_SECTION(FIX, SEC) v850_pcrel_from_section (FIX, SEC)
|
||||
extern long v850_pcrel_from_section PARAMS ((struct fix *, asection *));
|
||||
|
||||
|
||||
@ -189,12 +189,4 @@ extern long xtensa_relax_frag
|
||||
|
||||
#define MD_APPLY_SYM_VALUE(FIX) 0
|
||||
|
||||
/* The default literal sections should always be marked as "code" (i.e.,
|
||||
SHF_EXECINSTR). This is particularly important for the Linux kernel
|
||||
module loader so that the literals are not placed after the text. */
|
||||
#define ELF_TC_SPECIAL_SECTIONS \
|
||||
{ ".literal", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, \
|
||||
{ ".init.literal", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, \
|
||||
{ ".fini.literal", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
|
||||
|
||||
#endif /* TC_XTENSA */
|
||||
|
||||
@ -422,6 +422,10 @@ subseg_get (segname, force_new)
|
||||
else
|
||||
secptr = bfd_make_section_anyway (stdoutput, segname);
|
||||
|
||||
#ifdef obj_sec_set_private_data
|
||||
obj_sec_set_private_data (stdoutput, secptr);
|
||||
#endif
|
||||
|
||||
seginfo = seg_info (secptr);
|
||||
if (! seginfo)
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user