+2015-06-26 Matthew Fortune <matthew.fortune@imgtec.com>
+
+ * elfxx-mips.c (_bfd_mips_elf_create_dynamic_sections): Use executable
+ instead of !shared to indicate an application vs shared library.
+ (_bfd_mips_elf_size_dynamic_sections): Likewise.
+ (_bfd_mips_elf_finish_dynamic_sections): Handle DT_MIPS_RLD_MAP_REL.
+ (_bfd_mips_elf_get_target_dtag): Likewise.
+
2015-06-25 DJ Delorie <dj@redhat.com>
* elf32-msp430.c (msp430_final_link_relocate): Fix comments. Fix
htab->sstubs = s;
if (!mips_elf_hash_table (info)->use_rld_obj_head
- && !info->shared
+ && info->executable
&& bfd_get_linker_section (abfd, ".rld_map") == NULL)
{
s = bfd_make_section_anyway_with_flags (abfd, ".rld_map",
(void) bfd_set_section_alignment (abfd, s, MIPS_ELF_LOG_FILE_ALIGN (abfd));
}
- if (!info->shared)
+ if (info->executable)
{
const char *name;
info->combreloc = 0;
}
}
- else if (! info->shared
+ else if (info->executable
&& ! mips_elf_hash_table (info)->use_rld_obj_head
&& CONST_STRNEQ (name, ".rld_map"))
{
&& !MIPS_ELF_ADD_DYNAMIC_ENTRY (info, DT_MIPS_RLD_MAP, 0))
return FALSE;
+ if (info->executable
+ && !MIPS_ELF_ADD_DYNAMIC_ENTRY (info, DT_MIPS_RLD_MAP_REL, 0))
+ return FALSE;
+
/* The DT_DEBUG entry may be filled in by the dynamic linker and
used by the debugger. */
if (info->executable
break;
}
s = h->root.u.def.section;
+
+ /* The MIPS_RLD_MAP tag stores the absolute address of the
+ debug pointer. */
dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset
+ h->root.u.def.value);
}
break;
+ case DT_MIPS_RLD_MAP_REL:
+ {
+ struct elf_link_hash_entry *h;
+ bfd_vma dt_addr, rld_addr;
+ h = mips_elf_hash_table (info)->rld_symbol;
+ if (!h)
+ {
+ dyn_to_skip = MIPS_ELF_DYN_SIZE (dynobj);
+ swap_out_p = FALSE;
+ break;
+ }
+ s = h->root.u.def.section;
+
+ /* The MIPS_RLD_MAP_REL tag stores the offset to the debug
+ pointer, relative to the address of the tag. */
+ dt_addr = (sdyn->output_section->vma + sdyn->output_offset
+ + b - sdyn->contents);
+ rld_addr = (s->output_section->vma + s->output_offset
+ + h->root.u.def.value);
+ dyn.d_un.d_ptr = rld_addr - dt_addr;
+ }
+ break;
+
case DT_MIPS_OPTIONS:
s = (bfd_get_section_by_name
(output_bfd, MIPS_ELF_OPTIONS_SECTION_NAME (output_bfd)));
return "MIPS_HIPAGENO";
case DT_MIPS_RLD_MAP:
return "MIPS_RLD_MAP";
+ case DT_MIPS_RLD_MAP_REL:
+ return "MIPS_RLD_MAP_REL";
case DT_MIPS_DELTA_CLASS:
return "MIPS_DELTA_CLASS";
case DT_MIPS_DELTA_CLASS_NO:
+2015-06-26 Matthew Fortune <matthew.fortune@imgtec.com>
+
+ * readelf.c (get_mips_dynamic_type): Handle DT_MIPS_RLD_MAP_REL.
+
2015-06-22 Nick Clifton <nickc@redhat.com>
* objdump.c (disassemble_bytes): Set the stop_vma field in the
case DT_MIPS_GOTSYM: return "MIPS_GOTSYM";
case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO";
case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP";
+ case DT_MIPS_RLD_MAP_REL: return "MIPS_RLD_MAP_REL";
case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS";
case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO";
case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE";
+2015-06-26 Matthew Fortune <matthew.fortune@imgtec.com>
+
+ * elf/mips.h (DT_MIPS_RLD_MAP_REL): New macro.
+
2015-06-22 Nick Clifton <nickc@redhat.com>
* dis-asm.h (struct disassemble_info): Add stop_vma field.
/* Points to the base of a writable PLT. */
#define DT_MIPS_RWPLT 0x70000034
+
+/* Relative offset of run time loader map, used for debugging. */
+#define DT_MIPS_RLD_MAP_REL 0x70000035
\f
/* Flags which may appear in a DT_MIPS_FLAGS entry. */
+2015-06-26 Matthew Fortune <matthew.fortune@imgtec.com>
+
+ * ld-mips-elf/pic-and-nonpic-3b.ad: Adjust for extra dynamic tag.
+ * ld-mips-elf/pic-and-nonpic-4b.ad: Likewise.
+ * ld-mips-elf/pic-and-nonpic-5b.ad: Likewise.
+ * ld-mips-elf/pic-and-nonpic-6-n32.ad: Likewise.
+ * ld-mips-elf/pic-and-nonpic-6-n64.ad: Likewise.
+ * ld-mips-elf/pic-and-nonpic-6-o32.ad: Likewise.
+ * ld-mips-elf/tlsdyn-o32-1.d: Likewise.
+ * ld-mips-elf/tlsdyn-o32-1.got: Likewise.
+ * ld-mips-elf/tlsdyn-o32-2.d: Likewise.
+ * ld-mips-elf/tlsdyn-o32-2.got: Likewise.
+ * ld-mips-elf/tlsdyn-o32-3.d: Likewise.
+ * ld-mips-elf/tlsdyn-o32-3.got: Likewise.
+ * ld-mips-elf/tlsdyn-o32.d: Likewise.
+ * ld-mips-elf/tlsdyn-o32.got: Likewise.
+ * ld-mips-elf/pie-n32.d: New file.
+ * ld-mips-elf/pie-n64.d: Likewise.
+ * ld-mips-elf/pie-o32.d: Likewise.
+ * ld-mips-elf/pie.s: Likewise.
+ * ld-mips-elf/mips-elf.exp: Add new tests.
+
2015-06-25 H.J. Lu <hongjiu.lu@intel.com>
* ld-elf/strtab.d: Only run on *-*-linux* and *-*-gnu* targets.
}
}
+# Test PIE debug dynamic tags
+if { $linux_gnu } {
+ run_dump_test "pie-o32"
+ if { $has_newabi } {
+ run_dump_test "pie-n32"
+ run_dump_test "pie-n64"
+ }
+}
+
if $has_newabi {
if { $embedded_elf } {
run_dump_test "elf-rel-got-n32-embed" \
0x0000000a \(STRSZ\) .*
0x0000000b \(SYMENT\) .*
0x70000016 \(MIPS_RLD_MAP\) * 0x80000
+ 0x70000035 \(MIPS_RLD_MAP_REL\) .*
0x00000015 \(DEBUG\) * 0x0
0x00000003 \(PLTGOT\) * 0xa0000
0x70000001 \(MIPS_RLD_VERSION\) * 1
0x0000000a \(STRSZ\) .*
0x0000000b \(SYMENT\) .*
0x70000016 \(MIPS_RLD_MAP\) * 0x80000
+ 0x70000035 \(MIPS_RLD_MAP_REL\) .*
0x00000015 \(DEBUG\) * 0x0
0x00000003 \(PLTGOT\) * 0xa0000
0x00000011 \(REL\) * 0x43000
0x0000000a \(STRSZ\) .*
0x0000000b \(SYMENT\) .*
0x70000016 \(MIPS_RLD_MAP\) * 0x80000
+ 0x70000035 \(MIPS_RLD_MAP_REL\) .*
0x00000015 \(DEBUG\) * 0x0
0x00000016 \(TEXTREL\) * 0x0
0x00000003 \(PLTGOT\) * 0xa0000
0x0000000a \(STRSZ\) .*
0x0000000b \(SYMENT\) .*
0x70000016 \(MIPS_RLD_MAP\) * 0x80000
+ 0x70000035 \(MIPS_RLD_MAP_REL\) .*
0x00000015 \(DEBUG\) * 0x0
0x00000003 \(PLTGOT\) * 0xa0000
0x00000011 \(REL\) * 0x43000
0x0+0000000a \(STRSZ\) .*
0x0+0000000b \(SYMENT\) .*
0x0+70000016 \(MIPS_RLD_MAP\) * 0x80000
+ 0x0+70000035 \(MIPS_RLD_MAP_REL\) .*
0x0+00000015 \(DEBUG\) * 0x0
0x0+00000003 \(PLTGOT\) * 0xa0000
0x0+00000011 \(REL\) * 0x43000
0x0000000a \(STRSZ\) .*
0x0000000b \(SYMENT\) .*
0x70000016 \(MIPS_RLD_MAP\) * 0x80000
+ 0x70000035 \(MIPS_RLD_MAP_REL\) .*
0x00000015 \(DEBUG\) * 0x0
0x00000003 \(PLTGOT\) * 0xa0000
0x00000011 \(REL\) * 0x43000
--- /dev/null
+#source: pie.s
+#as: -march=from-abi -mabi=n32 -EB
+#ld: -melf32btsmipn32 -pie
+#readelf: -d
+
+Dynamic section at offset 0x180 contains 16 entries:
+ Tag * Type * Name/Value
+ 0x00000004 \(HASH\) * 0x228
+ 0x00000005 \(STRTAB\) * 0x304
+ 0x00000006 \(SYMTAB\) * 0x264
+ 0x0000000a \(STRSZ\) * 72 \(bytes\)
+ 0x0000000b \(SYMENT\) * 16 \(bytes\)
+ 0x70000035 \(MIPS_RLD_MAP_REL\) * 0x101b8
+ 0x00000015 \(DEBUG\) * 0x0
+ 0x00000003 \(PLTGOT\) * 0x10370
+ 0x70000001 \(MIPS_RLD_VERSION\) * 1
+ 0x70000005 \(MIPS_FLAGS\) * NOTPOT
+ 0x70000006 \(MIPS_BASE_ADDRESS\) * 0x0
+ 0x7000000a \(MIPS_LOCAL_GOTNO\) * 2
+ 0x70000011 \(MIPS_SYMTABNO\) * 10
+ 0x70000012 \(MIPS_UNREFEXTNO\) * 13
+ 0x70000013 \(MIPS_GOTSYM\) * 0xa
+ 0x00000000 \(NULL\) * 0x0
--- /dev/null
+#source: pie.s
+#as: -march=from-abi -mabi=64 -EB
+#ld: -melf64btsmip -pie
+#readelf: -d
+
+Dynamic section at offset 0x208 contains 16 entries:
+ Tag * Type * Name/Value
+ 0x0+00000004 \(HASH\) * 0x358
+ 0x0+00000005 \(STRTAB\) * 0x488
+ 0x0+00000006 \(SYMTAB\) * 0x398
+ 0x0+0000000a \(STRSZ\) * 72 \(bytes\)
+ 0x0+0000000b \(SYMENT\) * 24 \(bytes\)
+ 0x0+70000035 \(MIPS_RLD_MAP_REL\) * 0x102a8
+ 0x0+00000015 \(DEBUG\) * 0x0
+ 0x0+00000003 \(PLTGOT\) * 0x10510
+ 0x0+70000001 \(MIPS_RLD_VERSION\) * 1
+ 0x0+70000005 \(MIPS_FLAGS\) * NOTPOT
+ 0x0+70000006 \(MIPS_BASE_ADDRESS\) * 0x0
+ 0x0+7000000a \(MIPS_LOCAL_GOTNO\) * 2
+ 0x0+70000011 \(MIPS_SYMTABNO\) * 10
+ 0x0+70000012 \(MIPS_UNREFEXTNO\) * 13
+ 0x0+70000013 \(MIPS_GOTSYM\) * 0xa
+ 0x0+00000000 \(NULL\) * 0x0
--- /dev/null
+#source: pie.s
+#as: -mabi=32 -EB
+#ld: -melf32btsmip -pie
+#readelf: -d
+
+Dynamic section at offset 0x178 contains 16 entries:
+ Tag * Type * Name/Value
+ 0x00000004 \(HASH\) * 0x220
+ 0x00000005 \(STRTAB\) * 0x2fc
+ 0x00000006 \(SYMTAB\) * 0x25c
+ 0x0000000a \(STRSZ\) * 72 \(bytes\)
+ 0x0000000b \(SYMENT\) * 16 \(bytes\)
+ 0x70000035 \(MIPS_RLD_MAP_REL\) * 0x101c0
+ 0x00000015 \(DEBUG\) * 0x0
+ 0x00000003 \(PLTGOT\) * 0x10370
+ 0x70000001 \(MIPS_RLD_VERSION\) * 1
+ 0x70000005 \(MIPS_FLAGS\) * NOTPOT
+ 0x70000006 \(MIPS_BASE_ADDRESS\) * 0x0
+ 0x7000000a \(MIPS_LOCAL_GOTNO\) * 2
+ 0x70000011 \(MIPS_SYMTABNO\) * 10
+ 0x70000012 \(MIPS_UNREFEXTNO\) * 13
+ 0x70000013 \(MIPS_GOTSYM\) * 0xa
+ 0x00000000 \(NULL\) * 0x0
--- /dev/null
+ .abicalls
+ .global __start
+ .ent __start
+__start:
+ jr $31
+ .end __start
.* <__start>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7c40 addiu gp,gp,31808
+ .*: 279c7c30 addiu gp,gp,31792
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
.* <other>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7b80 addiu gp,gp,31616
+ .*: 279c7b70 addiu gp,gp,31600
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
Contents of section .got:
- 10000020 00000000 80000000 0040047c 00000000 ................
+ 10000020 00000000 80000000 0040048c 00000000 .........@......
10000030 00000000 00000000 00000000 00000000 ................
10000040 00000000 00000001 00000000 ............
.* <__start>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7c40 addiu gp,gp,31808
+ .*: 279c7c30 addiu gp,gp,31792
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
.* <other>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7b80 addiu gp,gp,31616
+ .*: 279c7b70 addiu gp,gp,31600
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
Contents of section .got:
- 10000020 00000000 80000000 0040047c 00000000 .*
+ 10000020 00000000 80000000 0040048c 00000000 .*
10000030 00000000 00000000 00000000 00000000 .*
10000040 00000000 00000001 00000000 .*
.* <other>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7c40 addiu gp,gp,31808
+ .*: 279c7c30 addiu gp,gp,31792
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
.* <__start>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7b90 addiu gp,gp,31632
+ .*: 279c7b80 addiu gp,gp,31616
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
Contents of section .got:
- 10000020 00000000 80000000 0040052c 00000000 .*
+ 10000020 00000000 80000000 0040053c 00000000 .*
10000030 00000000 00000000 00000000 00000000 .*
10000040 00000000 00000001 00000000 .*
.* <__start>:
.*: 3c1c0fc0 lui gp,0xfc0
- .*: 279c7bf0 addiu gp,gp,31728
+ .*: 279c7be0 addiu gp,gp,31712
.*: 0399e021 addu gp,gp,t9
.*: 27bdfff0 addiu sp,sp,-16
.*: afbe0008 sw s8,8\(sp\)
Contents of section .got:
- 10000020 00000000 80000000 004004cc 00000000 ................
+ 10000020 00000000 80000000 004004dc 00000000 .........@......
10000030 00000000 00000000 00000001 00000000 ................
10000040 00000000 00000000 00000000 ............
projects / binutils-gdb.git / commitdiff