+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * elf.c (_bfd_elf_make_section_from_shdr): Handle SHF_EXCLUDE
+ (elf_fake_sections): Likewise.
+
+ * elf32-i370.c (i370_elf_section_from_shdr): Don't handle
+ SHF_EXCLUDE here.
+ * elf32-ppc.c (ppc_elf_fake_sections): Likewise.
+
2010-05-17 Tristan Gingold <gingold@adacore.com>
* vms-alpha.c: Include esgps.h and eidc.h.
return FALSE;
if ((hdr->sh_flags & SHF_TLS) != 0)
flags |= SEC_THREAD_LOCAL;
+ if ((hdr->sh_flags & SHF_EXCLUDE) != 0)
+ flags |= SEC_EXCLUDE;
if ((flags & SEC_ALLOC) == 0)
{
}
}
}
+ if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
+ this_hdr->sh_flags |= SHF_EXCLUDE;
/* Check for processor-specific section types. */
sh_type = this_hdr->sh_type;
newsect = hdr->bfd_section;
flags = bfd_get_section_flags (abfd, newsect);
- if (hdr->sh_flags & SHF_EXCLUDE)
- flags |= SEC_EXCLUDE;
-
if (hdr->sh_type == SHT_ORDERED)
flags |= SEC_SORT_ENTRIES;
Elf_Internal_Shdr *shdr,
asection *asect)
{
- if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
- shdr->sh_flags |= SHF_EXCLUDE;
-
if ((asect->flags & SEC_SORT_ENTRIES) != 0)
shdr->sh_type = SHT_ORDERED;
+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * readelf.c (get_elf_section_flags): Treat SHF_EXCLUDE as a
+ generic flag.
+
2010-05-07 Tristan Gingold <gingold@adacore.com>
* Makefile.in: Regenerate with automake 1.11.1.
/* 15 */ { STRING_COMMA_LEN ("VMS_VECTOR") },
/* 16 */ { STRING_COMMA_LEN ("VMS_ALLOC_64BIT") },
/* 17 */ { STRING_COMMA_LEN ("VMS_PROTECTED") },
- /* SPARC specific. */
+ /* Generic. */
/* 18 */ { STRING_COMMA_LEN ("EXCLUDE") },
+ /* SPARC specific. */
/* 19 */ { STRING_COMMA_LEN ("ORDERED") }
};
case SHF_OS_NONCONFORMING: sindex = 7; break;
case SHF_GROUP: sindex = 8; break;
case SHF_TLS: sindex = 9; break;
+ case SHF_EXCLUDE: sindex = 18; break;
default:
sindex = -1;
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
- if (flag == SHF_EXCLUDE)
- sindex = 18;
- else if (flag == SHF_ORDERED)
+ if (flag == SHF_ORDERED)
sindex = 19;
break;
default:
case SHF_OS_NONCONFORMING: *p = 'O'; break;
case SHF_GROUP: *p = 'G'; break;
case SHF_TLS: *p = 'T'; break;
+ case SHF_EXCLUDE: *p = 'E'; break;
default:
if ((elf_header.e_machine == EM_X86_64
+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * binutils-all/objcopy.exp: Run exclude-1a and exclude-1b for
+ ELF targets.
+
+ * binutils-all/exclude-1.s: New.
+ * binutils-all/exclude-1a.d: Likewise.
+ * binutils-all/exclude-1b.d: Likewise.
+
2010-04-30 H.J. Lu <hongjiu.lu@intel.com>
* binutils-all/dlltool.exp: Add a missing `"'.
--- /dev/null
+ .text
+ .type start,"function"
+ .global start
+start:
+ .type _start,"function"
+ .global _start
+_start:
+ .type __start,"function"
+ .global __start
+__start:
+ .type main,"function"
+ .global main
+main:
+ .long 0
+ .section .foo1,"e", %progbits
+ .byte 0,0,0,0
--- /dev/null
+#PROG: objcopy
+#source: exclude-1.s
+#objcopy:
+#readelf: -S --wide
+#name: objcopy on sections with SHF_EXCLUDE
+
+#...
+[ ]*\[.*\][ ]+\.foo1[ ]+PROGBITS.*[ ]+E[ ]+.*
+#pass
--- /dev/null
+#PROG: strip
+#source: exclude-1.s
+#strip: --strip-unneeded
+#readelf: -S --wide
+#name: strip --strip-unneeded on sections with SHF_EXCLUDE
+
+#...
+[ ]*\[.*\][ ]+\.foo1[ ]+PROGBITS.*[ ]+E[ ]+.*
+#pass
run_dump_test "add-section"
run_dump_test "add-empty-section"
+
+ run_dump_test "exclude-1a"
+ run_dump_test "exclude-1b"
}
run_dump_test "localize-hidden-2"
+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * obj-elf.c (obj_elf_change_section): Handle SHF_EXCLUDE.
+ (obj_elf_parse_section_letters): Likewise.
+ (obj_elf_section_word): Likewise.
+
+ * config/tc-ppc.c (ppc_section_letter): Removed.
+ (ppc_section_word): Likewise.
+ * config/tc-ppc.h (ppc_section_letter): Likewise.
+ (ppc_section_word): Likewise.
+ (md_elf_section_letter): Likewise.
+ (md_elf_section_word): Likewise.
+
+ * doc/as.texinfo: Document `e' and `#exclude'.
+
2010-05-13 Nathan Sidwell <nathan@codesourcery.com>
* config/tc-arm.c (md_assemble): Clarify current mode in error
| ((attr & SHF_EXECINSTR) ? SEC_CODE : 0)
| ((attr & SHF_MERGE) ? SEC_MERGE : 0)
| ((attr & SHF_STRINGS) ? SEC_STRINGS : 0)
+ | ((attr & SHF_EXCLUDE) ? SEC_EXCLUDE: 0)
| ((attr & SHF_TLS) ? SEC_THREAD_LOCAL : 0));
#ifdef md_elf_section_flags
flags = md_elf_section_flags (flags, attr, type);
case 'a':
attr |= SHF_ALLOC;
break;
+ case 'e':
+ attr |= SHF_EXCLUDE;
+ break;
case 'w':
attr |= SHF_WRITE;
break;
}
default:
{
- char *bad_msg = _("unrecognized .section attribute: want a,w,x,M,S,G,T");
+ char *bad_msg = _("unrecognized .section attribute: want a,e,w,x,M,S,G,T");
#ifdef md_elf_section_letter
bfd_vma md_attr = md_elf_section_letter (*str, &bad_msg);
if (md_attr > 0)
return SHF_ALLOC;
if (len == 9 && strncmp (str, "execinstr", 9) == 0)
return SHF_EXECINSTR;
+ if (len == 7 && strncmp (str, "exclude", 7) == 0)
+ return SHF_EXCLUDE;
if (len == 3 && strncmp (str, "tls", 3) == 0)
return SHF_TLS;
}
\f
#ifdef OBJ_ELF
-/* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
-
-bfd_vma
-ppc_section_letter (int letter, char **ptr_msg)
-{
- if (letter == 'e')
- return SHF_EXCLUDE;
-
- *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string");
- return -1;
-}
-
-bfd_vma
-ppc_section_word (char *str, size_t len)
-{
- if (len == 7 && strncmp (str, "exclude", 7) == 0)
- return SHF_EXCLUDE;
-
- return -1;
-}
+/* For ELF, add support for SHT_ORDERED. */
int
ppc_section_type (char *str, size_t len)
if (type == SHT_ORDERED)
flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
- if (attr & SHF_EXCLUDE)
- flags |= SEC_EXCLUDE;
-
return flags;
}
#endif /* OBJ_ELF */
#ifdef OBJ_ELF
-/* Support for SHF_EXCLUDE and SHT_ORDERED */
-extern bfd_vma ppc_section_letter (int, char **);
+/* Support for SHT_ORDERED */
extern int ppc_section_type (char *, size_t);
-extern bfd_vma ppc_section_word (char *, size_t);
extern int ppc_section_flags (flagword, bfd_vma, int);
-#define md_elf_section_letter(LETTER, PTR_MSG) ppc_section_letter (LETTER, PTR_MSG)
#define md_elf_section_type(STR, LEN) ppc_section_type (STR, LEN)
-#define md_elf_section_word(STR, LEN) ppc_section_word (STR, LEN)
#define md_elf_section_flags(FLAGS, ATTR, TYPE) ppc_section_flags (FLAGS, ATTR, TYPE)
#define tc_comment_chars ppc_comment_chars
@table @code
@item a
section is allocatable
+@item e
+section is excluded from executable and shared library.
@item w
section is writable
@item x
section is writable
@item #execinstr
section is executable
+@item #exclude
+section is excluded from executable and shared library.
@item #tls
section is used for thread local storage
@end table
+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * gas/elf/elf.exp: Run section8.
+
+ * gas/elf/section8.d: New.
+ * gas/elf/section8.s: Likewise.
+
2010-05-13 Nathan Sidwell <nathan@codesourcery.com>
* gas/arm/armv1-bad.l: Adjust expected error text.
run_dump_test "section6"
run_dump_test "section7"
+ run_dump_test "section8"
}
--- /dev/null
+#readelf: -S --wide
+#name: section flags
+
+#...
+[ ]*\[.*\][ ]+\.foo1[ ]+PROGBITS.*[ ]+E[ ]+.*
+#pass
--- /dev/null
+ .section .foo1,"e", %progbits
+ .byte 0,0,0,0
+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * common.h (SHF_EXCLUDE): New.
+
+ * i370.h (SHF_EXCLUDE): Removed.
+ * or32.h (SHF_EXCLUDE): Likewise.
+ * ppc.h (SHF_EXCLUDE): Likewise.
+ * sparc.h (SHF_EXCLUDE): Likewise.
+
2010-04-23 Alan Modra <amodra@gmail.com>
* internal.h (ELF_SECTION_SIZE): Protect macro args with parentheses.
#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
+/* This used to be implemented as a processor specific section flag.
+ We just make it generic. */
+#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude
+ this section from executable
+ and shared library that it
+ builds when those objects
+ are not to be further
+ relocated. */
+
/* Values of note segment descriptor types for core files. */
#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
#define EF_I370_RELOCATABLE 0x00010000 /* i370 -mrelocatable flag */
#define EF_I370_RELOCATABLE_LIB 0x00008000 /* i370 -mrelocatable-lib flag */
-/* Processor specific section flags, sh_flags field */
-
-#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
- this section from executable \
- and shared objects that it \
- builds when those objects \
- are not to be furhter \
- relocated. */
/* i370 relocations
Note that there is really just one relocation that we currently
specified in the associated \
symbol table entry. */
-/* Processor specific section flags, sh_flags field */
-#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
- this section from executable \
- and shared objects that it \
- builds when those objects \
- are not to be furhter \
- relocated. */
#endif /* _ELF_OR1K_H */
specified in the associated \
symbol table entry. */
-/* Processor specific section flags, sh_flags field. */
-
-#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
- this section from executable \
- and shared objects that it \
- builds when those objects \
- are not to be furhter \
- relocated. */
-
/* Object attribute tags. */
enum
{
/* Section flags. */
-#define SHF_EXCLUDE 0x80000000 /* exclude from linking */
#define SHF_ORDERED 0x40000000 /* treat sh_link,sh_info specially */
/* Symbol types. */
+2010-05-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/11600
+ * ld-elf/exclude3.s: New.
+ * ld-elf/exclude3a.d: Likewise.
+ * ld-elf/exclude3b.d: Likewise.
+ * ld-elf/exclude3c.d: Likewise.
+
2010-05-11 Andrew Stubbs <ams@codesourcery.com>
* ld-arm/attr-merge-2.attr: Add Tag_DIV_use.
--- /dev/null
+ .text
+ .type start,"function"
+ .global start
+start:
+ .type _start,"function"
+ .global _start
+_start:
+ .type __start,"function"
+ .global __start
+__start:
+ .type main,"function"
+ .global main
+main:
+ .long 0
+ .section .foo1,"e", %progbits
+ .byte 0,0,0,0
--- /dev/null
+#source: exclude3.s
+#ld:
+#readelf: -S --wide
+#target: x86_64-*-* i?86-*-* ia64-*-*
+
+#...
+[ ]*\[.*\][ ]+NULL.*
+[ ]*\[.*\][ ]+\.text[ ]+PROGBITS.*
+[ ]*\[.*\][ ]+.*STRTAB.*
+#pass
--- /dev/null
+#source: exclude3.s
+#ld: --shared
+#readelf: -S --wide
+#target: x86_64-*-* i?86-*-* ia64-*-*
+
+#...
+[ ]*\[.*\][ ]+\.got.*[ ]+PROGBITS.*
+[ ]*\[.*\][ ]+.*STRTAB.*
+#pass
--- /dev/null
+#source: exclude3.s
+#ld: -r
+#readelf: -S --wide
+
+#...
+[ ]*\[.*\][ ]+\.foo1[ ]+PROGBITS.*[ ]+E[ ]+.*
+#pass
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