+2013-01-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/tc-i386.c (reloc): Support BFD_RELOC_SIZE32.
+ (tc_i386_fix_adjustable): Keep symbol for BFD_RELOC_32_SIZE and
+ BFD_RELOC_64_SIZE relocations.
+ (lex_got): Support "symbol@SIZE" and don't create GOT symbol
+ for it.
+ (tc_gen_reloc): Resolve BFD_RELOC_SIZE32 and BFD_RELOC_SIZE64
+ relocations against local symbols.
+
2013-01-16 Alan Modra <amodra@gmail.com>
* config/tc-ppc.c (md_assemble <TE_PE>): Ignore line after
break;
}
+ if (other == BFD_RELOC_SIZE32)
+ {
+ if (size == 8)
+ return BFD_RELOC_SIZE64;
+ if (pcrel)
+ as_bad (_("there are no pc-relative size relocations"));
+ }
+
/* Sign-checking 4-byte relocations in 16-/32-bit code is pointless. */
if (size == 4 && (flag_code != CODE_64BIT || disallow_64bit_reloc))
sign = -1;
&& fixP->fx_r_type == BFD_RELOC_32_PCREL)
return 0;
- /* adjust_reloc_syms doesn't know about the GOT. */
- if (fixP->fx_r_type == BFD_RELOC_386_GOTOFF
+ /* Adjust_reloc_syms doesn't know about the GOT. Need to keep symbol
+ for size relocations. */
+ if (fixP->fx_r_type == BFD_RELOC_SIZE32
+ || fixP->fx_r_type == BFD_RELOC_SIZE64
+ || fixP->fx_r_type == BFD_RELOC_386_GOTOFF
|| fixP->fx_r_type == BFD_RELOC_386_PLT32
|| fixP->fx_r_type == BFD_RELOC_386_GOT32
|| fixP->fx_r_type == BFD_RELOC_386_TLS_GD
const enum bfd_reloc_code_real rel[2];
const i386_operand_type types64;
} gotrel[] = {
+ { STRING_COMMA_LEN ("SIZE"), { BFD_RELOC_SIZE32,
+ BFD_RELOC_SIZE32 },
+ OPERAND_TYPE_IMM32_64 },
{ STRING_COMMA_LEN ("PLTOFF"), { _dummy_first_bfd_reloc_code_real,
BFD_RELOC_X86_64_PLTOFF64 },
OPERAND_TYPE_IMM64 },
*types = gotrel[j].types64;
}
- if (GOT_symbol == NULL)
+ if (j != 0 && GOT_symbol == NULL)
GOT_symbol = symbol_find_or_make (GLOBAL_OFFSET_TABLE_NAME);
/* The length of the first part of our input line. */
switch (fixp->fx_r_type)
{
+ case BFD_RELOC_SIZE32:
+ case BFD_RELOC_SIZE64:
+ if (S_IS_DEFINED (fixp->fx_addsy)
+ && !S_IS_EXTERNAL (fixp->fx_addsy))
+ {
+ /* Resolve size relocation against local symbol to size of
+ the symbol plus addend. */
+ valueT value = S_GET_SIZE (fixp->fx_addsy) + fixp->fx_offset;
+ if (fixp->fx_r_type == BFD_RELOC_SIZE32
+ && !fits_in_unsigned_long (value))
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("symbol size computation overflow"));
+ fixp->fx_addsy = NULL;
+ fixp->fx_subsy = NULL;
+ md_apply_fix (fixp, (valueT *) &value, NULL);
+ return NULL;
+ }
+
case BFD_RELOC_X86_64_PLT32:
case BFD_RELOC_X86_64_GOT32:
case BFD_RELOC_X86_64_GOTPCREL:
+2013-01-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * gas/i386/i386.exp: Run size-1, size-2, size-3, size-4,
+ x86-64-size-1, x86-64-size-2, x86-64-size-3, x86-64-size-4,
+ x86-64-size-5 and x86-64-size-inval-1.
+
+ * gas/i386/size-1.d: New file.
+ * gas/i386/size-1.s: Likewise.
+ * gas/i386/size-2.d: Likewise.
+ * gas/i386/size-2.s: Likewise.
+ * gas/i386/size-3.d: Likewise.
+ * gas/i386/size-3.s: Likewise.
+ * gas/i386/size-4.d: Likewise.
+ * gas/i386/size-4.s: Likewise.
+ * gas/i386/x86-64-size-1.d: Likewise.
+ * gas/i386/x86-64-size-2.d: Likewise.
+ * gas/i386/x86-64-size-3.d: Likewise.
+ * gas/i386/x86-64-size-4.d: Likewise.
+ * gas/i386/x86-64-size-5.d: Likewise.
+ * gas/i386/x86-64-size-5.s: Likewise.
+ * gas/i386/x86-64-size-inval-1.l: Likewise.
+ * gas/i386/x86-64-size-inval-1.s: Likewise.
+ * gas/i386/ilp32/x86-64-size-1.d: Likewise.
+ * gas/i386/ilp32/x86-64-size-2.d: Likewise.
+ * gas/i386/ilp32/x86-64-size-3.d: Likewise.
+ * gas/i386/ilp32/x86-64-size-4.d: Likewise.
+ * gas/i386/ilp32/x86-64-size-5.d: Likewise.
+
2013-01-16 Alan Modra <amodra@gmail.com>
* gas/ppc/htm.d: Ignore padding at end of section.
run_dump_test "dw2-compress-2"
run_dump_test "bad-size"
+
+ run_dump_test "size-1"
+ run_dump_test "size-2"
+ run_dump_test "size-3"
+ run_dump_test "size-4"
}
# This is a PE specific test.
run_dump_test "debug1"
run_dump_test "x86-64-dw2-compress-2"
+
+ run_dump_test "x86-64-size-1"
+ run_dump_test "x86-64-size-2"
+ run_dump_test "x86-64-size-3"
+ run_dump_test "x86-64-size-4"
+ run_dump_test "x86-64-size-5"
+ run_list_test "x86-64-size-inval-1" "-al"
}
set ASFLAGS "$old_ASFLAGS"
--- /dev/null
+#name: x32 size 1
+#source: ../size-1.s
+#readelf: -r
+
+
+Relocation section '.rela.text' at offset 0x2e0 contains 9 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+0+1 00000420 R_X86_64_SIZE32 00000000 xxx \+ 0
+0+6 00000420 R_X86_64_SIZE32 00000000 xxx - 8
+0+b 00000420 R_X86_64_SIZE32 00000000 xxx \+ 8
+0+10 00000520 R_X86_64_SIZE32 00000000 yyy \+ 0
+0+15 00000520 R_X86_64_SIZE32 00000000 yyy - 10
+0+1a 00000520 R_X86_64_SIZE32 00000000 yyy \+ 10
+0+1f 00000620 R_X86_64_SIZE32 00000020 zzz \+ 0
+0+24 00000620 R_X86_64_SIZE32 00000020 zzz - 20
+0+29 00000620 R_X86_64_SIZE32 00000020 zzz \+ 20
+
+Relocation section '.rela.data' at offset 0x34c contains 3 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+0+50 00000420 R_X86_64_SIZE32 00000000 xxx - 1
+0+54 00000520 R_X86_64_SIZE32 00000000 yyy \+ 2
+0+58 00000620 R_X86_64_SIZE32 00000020 zzz \+ 0
+#pass
--- /dev/null
+#name: x32 size 2
+#source: ../size-2.s
+#objdump: -dwr
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: b8 50 00 00 00 mov \$0x50,%eax
+[ ]*[a-f0-9]+: b8 48 00 00 00 mov \$0x48,%eax
+[ ]*[a-f0-9]+: b8 58 00 00 00 mov \$0x58,%eax
+[ ]*[a-f0-9]+: b8 1e 00 00 00 mov \$0x1e,%eax
+[ ]*[a-f0-9]+: b8 0e 00 00 00 mov \$0xe,%eax
+[ ]*[a-f0-9]+: b8 2e 00 00 00 mov \$0x2e,%eax
+[ ]*[a-f0-9]+: b8 90 99 99 19 mov \$0x19999990,%eax
+[ ]*[a-f0-9]+: b8 70 99 99 19 mov \$0x19999970,%eax
+[ ]*[a-f0-9]+: b8 b0 99 99 19 mov \$0x199999b0,%eax
+#pass
--- /dev/null
+#name: x32 size 3
+#source: ../size-3.s
+#readelf: -r
+
+
+Relocation section '.rela.text' at offset 0x334 contains 6 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+0+1 00000620 R_X86_64_SIZE32 00000000 xxx \+ 0
+0+6 00000620 R_X86_64_SIZE32 00000000 xxx - 8
+0+b 00000620 R_X86_64_SIZE32 00000000 xxx \+ 8
+0+10 00000720 R_X86_64_SIZE32 00000000 yyy \+ 0
+0+15 00000720 R_X86_64_SIZE32 00000000 yyy - 10
+0+1a 00000720 R_X86_64_SIZE32 00000000 yyy \+ 10
+
+Relocation section '.rela.tdata' at offset 0x37c contains 2 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+0+50 00000620 R_X86_64_SIZE32 00000000 xxx - 1
+0+54 00000720 R_X86_64_SIZE32 00000000 yyy \+ 2
+#pass
--- /dev/null
+#name: x32 size 4
+#source: ../size-4.s
+#objdump: -dwr
+
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: b8 50 00 00 00 mov \$0x50,%eax
+[ ]*[a-f0-9]+: b8 48 00 00 00 mov \$0x48,%eax
+[ ]*[a-f0-9]+: b8 58 00 00 00 mov \$0x58,%eax
+[ ]*[a-f0-9]+: b8 1e 00 00 00 mov \$0x1e,%eax
+[ ]*[a-f0-9]+: b8 0e 00 00 00 mov \$0xe,%eax
+[ ]*[a-f0-9]+: b8 2e 00 00 00 mov \$0x2e,%eax
+#pass
--- /dev/null
+#name: x32 size 5
+#source: ../x86-64-size-5.s
+#readelf: -r
+
+
+Relocation section '.rela.text' at offset 0x2dc contains 3 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+0+2 00000421 R_X86_64_SIZE64 00000000 xxx \+ 0
+0+c 00000421 R_X86_64_SIZE64 00000000 xxx - 8
+0+16 00000421 R_X86_64_SIZE64 00000000 xxx \+ 8
+
+Relocation section '.rela.data' at offset 0x300 contains 3 entries:
+ Offset Info Type Sym.Value Sym. Name \+ Addend
+0+50 00000421 R_X86_64_SIZE64 00000000 xxx - 1
+0+58 00000621 R_X86_64_SIZE64 00000000 yyy \+ c8
+0+60 00000521 R_X86_64_SIZE64 00000020 zzz \+ 0
+#pass
--- /dev/null
+#name: i386 size 1
+#readelf: -r
+
+
+Relocation section '.rel.text' at offset 0x2dc contains 9 entries:
+ Offset Info Type Sym.Value Sym. Name
+0+1 00000426 R_386_SIZE32 00000000 xxx
+0+6 00000426 R_386_SIZE32 00000000 xxx
+0+b 00000426 R_386_SIZE32 00000000 xxx
+0+10 00000526 R_386_SIZE32 00000000 yyy
+0+15 00000526 R_386_SIZE32 00000000 yyy
+0+1a 00000526 R_386_SIZE32 00000000 yyy
+0+1f 00000626 R_386_SIZE32 00000020 zzz
+0+24 00000626 R_386_SIZE32 00000020 zzz
+0+29 00000626 R_386_SIZE32 00000020 zzz
+
+Relocation section '.rel.data' at offset 0x324 contains 3 entries:
+ Offset Info Type Sym.Value Sym. Name
+0+50 00000426 R_386_SIZE32 00000000 xxx
+0+54 00000526 R_386_SIZE32 00000000 yyy
+0+58 00000626 R_386_SIZE32 00000020 zzz
+#pass
--- /dev/null
+# Test SIZE32 relocations against global symbols
+ .text
+ movl $xxx@SIZE, %eax
+ movl $xxx@SIZE - 8, %eax
+ movl $xxx@SIZE + 8, %eax
+ movl $yyy@SIZE, %eax
+ movl $yyy@SIZE - 16, %eax
+ movl $yyy@SIZE + 16, %eax
+ movl $zzz@SIZE, %eax
+ movl $zzz@SIZE - 32, %eax
+ movl $zzz@SIZE + 32, %eax
+ .comm zzz,429496729,32
+ .bss
+ .global yyy
+ .type yyy,%object
+ .size yyy,30
+yyy:
+ .zero 30
+ .data
+ .global xxx
+ .type xxx,%object
+ .size xxx,80
+xxx:
+ .zero 80
+ .long xxx@SIZE - 1
+ .long yyy@SIZE + 2
+ .long zzz@SIZE
--- /dev/null
+#name: i386 size 2
+#objdump: -dwr
+
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: b8 50 00 00 00 mov \$0x50,%eax
+[ ]*[a-f0-9]+: b8 48 00 00 00 mov \$0x48,%eax
+[ ]*[a-f0-9]+: b8 58 00 00 00 mov \$0x58,%eax
+[ ]*[a-f0-9]+: b8 1e 00 00 00 mov \$0x1e,%eax
+[ ]*[a-f0-9]+: b8 0e 00 00 00 mov \$0xe,%eax
+[ ]*[a-f0-9]+: b8 2e 00 00 00 mov \$0x2e,%eax
+[ ]*[a-f0-9]+: b8 90 99 99 19 mov \$0x19999990,%eax
+[ ]*[a-f0-9]+: b8 70 99 99 19 mov \$0x19999970,%eax
+[ ]*[a-f0-9]+: b8 b0 99 99 19 mov \$0x199999b0,%eax
+#pass
--- /dev/null
+# Test SIZE32 relocations against local symbols
+ .text
+ movl $xxx@SIZE, %eax
+ movl $xxx@SIZE - 8, %eax
+ movl $xxx@SIZE + 8, %eax
+ movl $yyy@SIZE, %eax
+ movl $yyy@SIZE - 16, %eax
+ movl $yyy@SIZE + 16, %eax
+ movl $zzz@SIZE, %eax
+ movl $zzz@SIZE - 32, %eax
+ movl $zzz@SIZE + 32, %eax
+ .local zzz
+ .comm zzz,429496720,32
+ .bss
+ .type yyy,%object
+ .size yyy,30
+yyy:
+ .zero 30
+ .data
+ .type xxx,%object
+ .size xxx,80
+xxx:
+ .zero 80
+ .long xxx@SIZE - 1
+ .long yyy@SIZE + 2
+ .long zzz@SIZE
--- /dev/null
+#name: i386 size 3
+#readelf: -r
+
+
+Relocation section '.rel.text' at offset 0x334 contains 6 entries:
+ Offset Info Type Sym.Value Sym. Name
+0+1 00000626 R_386_SIZE32 00000000 xxx
+0+6 00000626 R_386_SIZE32 00000000 xxx
+0+b 00000626 R_386_SIZE32 00000000 xxx
+0+10 00000726 R_386_SIZE32 00000000 yyy
+0+15 00000726 R_386_SIZE32 00000000 yyy
+0+1a 00000726 R_386_SIZE32 00000000 yyy
+
+Relocation section '.rel.tdata' at offset 0x364 contains 2 entries:
+ Offset Info Type Sym.Value Sym. Name
+0+50 00000626 R_386_SIZE32 00000000 xxx
+0+54 00000726 R_386_SIZE32 00000000 yyy
+#pass
--- /dev/null
+# Test SIZE32 relocations against global TLS symbols
+ .text
+ movl $xxx@SIZE, %eax
+ movl $xxx@SIZE - 8, %eax
+ movl $xxx@SIZE + 8, %eax
+ movl $yyy@SIZE, %eax
+ movl $yyy@SIZE - 16, %eax
+ movl $yyy@SIZE + 16, %eax
+ .section .tbss,"awT",%nobits
+ .global yyy
+ .type yyy,%object
+ .size yyy,30
+yyy:
+ .zero 30
+ .section .tdata,"awT",%progbits
+ .global xxx
+ .type xxx,%object
+ .size xxx,80
+xxx:
+ .zero 80
+ .long xxx@SIZE - 1
+ .long yyy@SIZE + 2
--- /dev/null
+#name: i386 size 4
+#objdump: -dwr
+
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: b8 50 00 00 00 mov \$0x50,%eax
+[ ]*[a-f0-9]+: b8 48 00 00 00 mov \$0x48,%eax
+[ ]*[a-f0-9]+: b8 58 00 00 00 mov \$0x58,%eax
+[ ]*[a-f0-9]+: b8 1e 00 00 00 mov \$0x1e,%eax
+[ ]*[a-f0-9]+: b8 0e 00 00 00 mov \$0xe,%eax
+[ ]*[a-f0-9]+: b8 2e 00 00 00 mov \$0x2e,%eax
+#pass
--- /dev/null
+# Test SIZE32 relocations against local TLS symbols
+ .text
+ movl $xxx@SIZE, %eax
+ movl $xxx@SIZE - 8, %eax
+ movl $xxx@SIZE + 8, %eax
+ movl $yyy@SIZE, %eax
+ movl $yyy@SIZE - 16, %eax
+ movl $yyy@SIZE + 16, %eax
+ .section .tbss,"awT",%nobits
+ .type yyy,%object
+ .size yyy,30
+yyy:
+ .zero 30
+ .section .tdata,"awT",%progbits
+ .type xxx,%object
+ .size xxx,80
+xxx:
+ .zero 80
+ .long xxx@SIZE - 1
+ .long yyy@SIZE + 2
--- /dev/null
+#name: x86-64 size 1
+#source: size-1.s
+#readelf: -r
+
+
+Relocation section '.rela.text' at offset 0x400 contains 9 entries:
+ Offset Info Type Sym. Value Sym. Name \+ Addend
+0+1 000400000020 R_X86_64_SIZE32 0000000000000000 xxx \+ 0
+0+6 000400000020 R_X86_64_SIZE32 0000000000000000 xxx - 8
+0+b 000400000020 R_X86_64_SIZE32 0000000000000000 xxx \+ 8
+0+10 000500000020 R_X86_64_SIZE32 0000000000000000 yyy \+ 0
+0+15 000500000020 R_X86_64_SIZE32 0000000000000000 yyy - 10
+0+1a 000500000020 R_X86_64_SIZE32 0000000000000000 yyy \+ 10
+0+1f 000600000020 R_X86_64_SIZE32 0000000000000020 zzz \+ 0
+0+24 000600000020 R_X86_64_SIZE32 0000000000000020 zzz - 20
+0+29 000600000020 R_X86_64_SIZE32 0000000000000020 zzz \+ 20
+
+Relocation section '.rela.data' at offset 0x4d8 contains 3 entries:
+ Offset Info Type Sym. Value Sym. Name \+ Addend
+0+50 000400000020 R_X86_64_SIZE32 0000000000000000 xxx - 1
+0+54 000500000020 R_X86_64_SIZE32 0000000000000000 yyy \+ 2
+0+58 000600000020 R_X86_64_SIZE32 0000000000000020 zzz \+ 0
+#pass
--- /dev/null
+#name: x86-64 size 2
+#source: size-2.s
+#objdump: -dwr
+
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: b8 50 00 00 00 mov \$0x50,%eax
+[ ]*[a-f0-9]+: b8 48 00 00 00 mov \$0x48,%eax
+[ ]*[a-f0-9]+: b8 58 00 00 00 mov \$0x58,%eax
+[ ]*[a-f0-9]+: b8 1e 00 00 00 mov \$0x1e,%eax
+[ ]*[a-f0-9]+: b8 0e 00 00 00 mov \$0xe,%eax
+[ ]*[a-f0-9]+: b8 2e 00 00 00 mov \$0x2e,%eax
+[ ]*[a-f0-9]+: b8 90 99 99 19 mov \$0x19999990,%eax
+[ ]*[a-f0-9]+: b8 70 99 99 19 mov \$0x19999970,%eax
+[ ]*[a-f0-9]+: b8 b0 99 99 19 mov \$0x199999b0,%eax
+#pass
--- /dev/null
+#name: x86-64 size 3
+#source: size-3.s
+#readelf: -r
+
+
+Relocation section '.rela.text' at offset 0x490 contains 6 entries:
+ Offset Info Type Sym. Value Sym. Name \+ Addend
+0+1 000600000020 R_X86_64_SIZE32 0000000000000000 xxx \+ 0
+0+6 000600000020 R_X86_64_SIZE32 0000000000000000 xxx - 8
+0+b 000600000020 R_X86_64_SIZE32 0000000000000000 xxx \+ 8
+0+10 000700000020 R_X86_64_SIZE32 0000000000000000 yyy \+ 0
+0+15 000700000020 R_X86_64_SIZE32 0000000000000000 yyy - 10
+0+1a 000700000020 R_X86_64_SIZE32 0000000000000000 yyy \+ 10
+
+Relocation section '.rela.tdata' at offset 0x520 contains 2 entries:
+ Offset Info Type Sym. Value Sym. Name \+ Addend
+0+50 000600000020 R_X86_64_SIZE32 0000000000000000 xxx - 1
+0+54 000700000020 R_X86_64_SIZE32 0000000000000000 yyy \+ 2
+#pass
--- /dev/null
+#name: x86-64 size 4
+#source: size-4.s
+#objdump: -dwr
+
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ ]*[a-f0-9]+: b8 50 00 00 00 mov \$0x50,%eax
+[ ]*[a-f0-9]+: b8 48 00 00 00 mov \$0x48,%eax
+[ ]*[a-f0-9]+: b8 58 00 00 00 mov \$0x58,%eax
+[ ]*[a-f0-9]+: b8 1e 00 00 00 mov \$0x1e,%eax
+[ ]*[a-f0-9]+: b8 0e 00 00 00 mov \$0xe,%eax
+[ ]*[a-f0-9]+: b8 2e 00 00 00 mov \$0x2e,%eax
+#pass
--- /dev/null
+#name: x86-64 size 5
+#readelf: -r
+
+
+Relocation section '.rela.text' at offset 0x3f8 contains 3 entries:
+ Offset Info Type Sym. Value Sym. Name \+ Addend
+0+2 000400000021 R_X86_64_SIZE64 0000000000000000 xxx \+ 0
+0+c 000400000021 R_X86_64_SIZE64 0000000000000000 xxx - 8
+0+16 000400000021 R_X86_64_SIZE64 0000000000000000 xxx \+ 8
+
+Relocation section '.rela.data' at offset 0x440 contains 3 entries:
+ Offset Info Type Sym. Value Sym. Name \+ Addend
+0+50 000400000021 R_X86_64_SIZE64 0000000000000000 xxx - 1
+0+58 000600000021 R_X86_64_SIZE64 0000000000000000 yyy \+ c8
+0+60 000500000021 R_X86_64_SIZE64 0000000000000020 zzz \+ 0
+#pass
--- /dev/null
+# Test SIZE64 relocation
+ .text
+ movq $xxx@SIZE, %r15
+ movq $xxx@SIZE - 8, %r15
+ movq $xxx@SIZE + 8, %r15
+ .comm zzz,4294967290,32
+ .bss
+ .global yyy
+ .type yyy,%object
+ .size yyy,30
+yyy:
+ .zero 30
+ .data
+ .global xxx
+ .type xxx,%object
+ .size xxx,80
+xxx:
+ .zero 80
+ .quad xxx@SIZE - 1
+ .quad yyy@SIZE + 200
+ .quad zzz@SIZE
--- /dev/null
+.*: Assembler messages:
+.*:5: Error: .*
+.*:6: Error: .*
+.*:10: Error: .*
+.*:11: Error: .*
+GAS LISTING .*
+
+
+[ ]*1[ ]+\# Test SIZE32 relocation overflow
+[ ]*2[ ]+\.local yyy
+[ ]*3[ ]+\.comm yyy,80,32
+[ ]*4[ ]+\.text
+[ ]*5[ ]+\?\?\?\? B85E0000 movl \$xxx@SIZE \+ 100, %eax
+[ ]*5[ ]+00
+[ ]*6[ ]+\?\?\?\? B8ECFFFF movl \$yyy@SIZE - 100, %eax
+[ ]*6[ ]+FF
+[ ]*7[ ]+\.local xxx
+[ ]*8[ ]+\.comm xxx,4294967290,32
+[ ]*9[ ]+\.data
+[ ]*10[ ]+\?\?\?\? 5E000000 \.long xxx@SIZE \+ 100
+[ ]*11[ ]+\?\?\?\? ECFFFFFF \.long yyy@SIZE - 100
+\*\*\*\* Error:symbol size computation overflow
+\*\*\*\* Error:symbol size computation overflow
+\*\*\*\* Error:symbol size computation overflow
+\*\*\*\* Error:symbol size computation overflow
--- /dev/null
+# Test SIZE32 relocation overflow
+ .local yyy
+ .comm yyy,80,32
+ .text
+ movl $xxx@SIZE + 100, %eax
+ movl $yyy@SIZE - 100, %eax
+ .local xxx
+ .comm xxx,4294967290,32
+ .data
+ .long xxx@SIZE + 100
+ .long yyy@SIZE - 100
+2013-01-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ld-size/size.exp: New file.
+ * ld-size/size32-1-i386.d: Likewise.
+ * ld-size/size32-1-x32.d: Likewise.
+ * ld-size/size32-1-x86-64.d: Likewise.
+ * ld-size/size32-1.s: Likewise.
+ * ld-size/size32-2-i386.d: Likewise.
+ * ld-size/size32-2-x32.d: Likewise.
+ * ld-size/size32-2-x86-64.d: Likewise.
+ * ld-size/size32-2.s: Likewise.
+ * ld-size/size64-1-x32.d: Likewise.
+ * ld-size/size64-1-x86-64.d: Likewise.
+ * ld-size/size64-1.s: Likewise.
+ * ld-size/size64-2-x32.d: Likewise.
+ * ld-size/size64-2-x86-64.d: Likewise.
+ * ld-size/size64-2.s: Likewise.
+ * ld-size/size-3.c: Likewise.
+ * ld-size/size-3.out: Likewise.
+ * ld-size/size-3a.c: Likewise.
+ * ld-size/size-3b.c: Likewise.
+ * ld-size/size-3c.c: Likewise.
+ * ld-size/size-4.out: Likewise.
+ * ld-size/size-4a.c: Likewise.
+ * ld-size/size-4b.c: Likewise.
+ * ld-size/size-5.out: Likewise.
+ * ld-size/size-5a.c: Likewise.
+ * ld-size/size-5b.c: Likewise.
+ * ld-size/size-6.out: Likewise.
+ * ld-size/size-6a.c: Likewise.
+ * ld-size/size-6b.c: Likewise.
+ * ld-size/size-7.rd: Likewise.
+ * ld-size/size-7a.c: Likewise.
+ * ld-size/size-7b.c: Likewise.
+ * ld-size/size-8.rd: Likewise.
+ * ld-size/size-8a.c: Likewise.
+ * ld-size/size-8b.c: Likewise.
+
2013-01-16 Alan Modra <amodra@gmail.com>
* ld-plugin/lto.exp (lto-9.o, pr13229.o): Pass -finline.
--- /dev/null
+#include <stdio.h>
+
+extern int bar_size;
+
+int
+main ()
+{
+ if (bar_size == 10)
+ printf ("OK\n");
+
+ return 0;
+}
--- /dev/null
+char bar[10] __attribute__ ((visibility("hidden")));
+extern char size_of_bar asm ("bar@SIZE");
+char *bar_size = &size_of_bar;
--- /dev/null
+static char bar[10];
+extern char size_of_bar asm ("bar@SIZE");
+char *bar_size = &size_of_bar;
+char *bar_p = bar;
--- /dev/null
+__thread char bar[10] __attribute__ ((visibility("hidden")));
+extern char size_of_bar asm ("bar@SIZE");
+char *bar_size = &size_of_bar;
--- /dev/null
+#include <stdio.h>
+
+char bar[10];
+char foo[20] = { 1 } ;
+extern int bar_size1 (void);
+extern int bar_size2 (void);
+extern int foo_size1 (void);
+extern int foo_size2 (void);
+
+int
+main ()
+{
+ int size;
+
+ size = bar_size1 ();
+ if (size == sizeof (bar) && bar_size2 () == size)
+ printf ("OK\n");
+
+ size = foo_size1 ();
+ if (size == sizeof (foo) && foo_size2 () == size)
+ printf ("OK\n");
+
+ return 0;
+}
--- /dev/null
+extern char bar[];
+extern char size_of_bar asm ("bar@SIZE");
+
+char *bar_size_1 = &size_of_bar;
+static char *bar_size_2 = &size_of_bar;
+
+char *
+bar_size1 (void)
+{
+ return bar_size_1;
+}
+
+char *
+bar_size2 (void)
+{
+ return bar_size_2;
+}
+
+extern char foo[];
+extern char size_of_foo asm ("foo@SIZE");
+
+char *foo_size_1 = &size_of_foo;
+static char *foo_size_2 = &size_of_foo;
+
+char *
+foo_size1 (void)
+{
+ return foo_size_1;
+}
+
+char *
+foo_size2 (void)
+{
+ return foo_size_2;
+}
--- /dev/null
+#include <stdio.h>
+
+__thread char bar[10];
+__thread char foo[20] = { 1 } ;
+extern int bar_size1 (void);
+extern int bar_size2 (void);
+extern int foo_size1 (void);
+extern int foo_size2 (void);
+
+int
+main ()
+{
+ int size;
+
+ size = bar_size1 ();
+ if (bar[2] == 3 && size == sizeof (bar) && bar_size2 () == size)
+ printf ("OK\n");
+
+ size = foo_size1 ();
+ if (foo[3] == 4 && size == sizeof (foo) && foo_size2 () == size)
+ printf ("OK\n");
+
+ return 0;
+}
--- /dev/null
+extern __thread char bar[];
+extern char size_of_bar asm ("bar@SIZE");
+
+char *bar_size_1 = &size_of_bar;
+static char *bar_size_2 = &size_of_bar;
+
+char *
+bar_size1 (void)
+{
+ bar[2] = 3;
+ return bar_size_1;
+}
+
+char *
+bar_size2 (void)
+{
+ return bar_size_2;
+}
+
+extern __thread char foo[];
+extern char size_of_foo asm ("foo@SIZE");
+
+char *foo_size_1 = &size_of_foo;
+static char *foo_size_2 = &size_of_foo;
+
+char *
+foo_size1 (void)
+{
+ foo[3] = 4;
+ return foo_size_1;
+}
+
+char *
+foo_size2 (void)
+{
+ return foo_size_2;
+}
--- /dev/null
+#include <stdio.h>
+
+extern char bar[];
+extern char size_of_bar asm ("bar@SIZE");
+extern void set_bar (int, int);
+
+int
+main ()
+{
+ set_bar (1, 20);
+ if (10 == (long) &size_of_bar && bar[1] == 20)
+ printf ("OK\n");
+
+ return 0;
+}
--- /dev/null
+char bar[10];
+
+void
+set_bar (int i, int v)
+{
+ bar[i] = v;
+}
--- /dev/null
+#...
+[0-9a-f]+ +[0-9a-f]+ +R_.*_SIZE(32|64) +.*
+#pass
--- /dev/null
+#include <stdio.h>
+
+extern char size_of_bar asm ("bar@SIZE");
+
+int
+main ()
+{
+ if (10 == (long) &size_of_bar)
+ printf ("OK\n");
+
+ return 0;
+}
--- /dev/null
+char bar[10];
--- /dev/null
+#...
+[0-9a-f]+ +[0-9a-f]+ +R_.*_SIZE(32|64) +.*
+#pass
--- /dev/null
+#include <stdio.h>
+
+extern __thread char bar[];
+extern char size_of_bar asm ("bar@SIZE");
+extern void set_bar (int, int);
+
+int
+main ()
+{
+ set_bar (1, 20);
+ if (10 == (long) &size_of_bar && bar[1] == 20)
+ printf ("OK\n");
+
+ return 0;
+}
--- /dev/null
+__thread char bar[10];
+
+void
+set_bar (int i, int v)
+{
+ bar[i] = v;
+}
--- /dev/null
+# Expect script for linker support of size relocations.
+#
+# Copyright 2013 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+
+# Size relications have only been implemented for the ix86 and x86_64,
+# so far.
+if {!(([istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"])
+ && ([istarget "*-*-elf*"]
+ || [istarget "*-*-nacl*"]
+ || (([istarget "*-*-linux*"]
+ || [istarget "*-*-gnu*"])
+ && ![istarget "*-*-*aout*"]
+ && ![istarget "*-*-*oldld*"]))) } {
+ verbose "Size relocations tests not run - no target support"
+ return
+}
+
+set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
+foreach t $test_list {
+ # We need to strip the ".d", but can leave the dirname.
+ verbose [file rootname $t]
+ run_dump_test [file rootname $t]
+}
+
+# We need a native system.
+if ![isnative] {
+ verbose "Natibe size relocation tests not run - not a native toolchain"
+ return
+}
+
+# We need a working compiler.
+if { [which $CC] == 0 } {
+ verbose "Native size relocation tests not run - no compiler available"
+ return
+}
+
+set build_tests {
+ {"Build libsize-3a.so"
+ "-shared" "-fPIC"
+ {size-3a.c} {} "libsize-3a.so"}
+ {"Build libsize-3b.so"
+ "-shared" "-fPIC"
+ {size-3b.c} {} "libsize-3b.so"}
+ {"Build libsize-3c.so"
+ "-shared" "-fPIC"
+ {size-3c.c} {} "libsize-3c.so"}
+ {"Build libsize-6b.so"
+ "-shared" "-fPIC"
+ {size-6b.c} {} "libsize-6b.so"}
+ {"Build libsize-7.so"
+ "-shared" "-fPIC"
+ {size-7b.c} {} "libsize-7.so"}
+ {"Build size-7"
+ "tmpdir/libsize-7.so" ""
+ {size-7a.c} {{readelf -rW size-7.rd}} "size-7.exe"}
+ {"Build libsize-8.so"
+ "-shared" "-fPIC"
+ {size-8b.c} {} "libsize-8.so"}
+ {"Build size-8"
+ "tmpdir/libsize-8.so" ""
+ {size-8a.c} {{readelf -rW size-8.rd}} "size-8.exe"}
+}
+
+run_cc_link_tests $build_tests
+
+set run_tests {
+ {"Run size-3a"
+ "" ""
+ {size-3.c size-3a.c} "size-3a" "size-3.out"}
+ {"Run size-3b"
+ "tmpdir/libsize-3a.so" ""
+ {size-3.c} "size-3b" "size-3.out"}
+ {"Run size-3c"
+ "" ""
+ {size-3.c size-3b.c} "size-3c" "size-3.out"}
+ {"Run size-3d"
+ "tmpdir/libsize-3b.so" ""
+ {size-3.c} "size-3d" "size-3.out"}
+ {"Run size-3d"
+ "" ""
+ {size-3.c size-3c.c} "size-3d" "size-3.out"}
+ {"Run size-3e"
+ "tmpdir/libsize-3c.so" ""
+ {size-3.c} "size-3e" "size-3.out"}
+ {"Run size-4a"
+ "" ""
+ {size-4a.c size-4b.c} "size-4a" "size-4.out"}
+ {"Run size-4b"
+ "" ""
+ {size-4b.c size-4a.c} "size-4b" "size-4.out"}
+ {"Run size-5a"
+ "" ""
+ {size-5a.c size-5b.c} "size-5a" "size-5.out"}
+ {"Run size-5b"
+ "" ""
+ {size-5b.c size-5a.c} "size-5b" "size-5.out"}
+ {"Run size-6"
+ "tmpdir/libsize-6b.so" ""
+ {size-6a.c} "size-6" "size-6.out"}
+}
+
+run_ld_link_exec_tests [] $run_tests
--- /dev/null
+#source: size32-1.s
+#as: --32
+#ld: -shared -melf_i386
+#objdump: -R -s -j .data
+#target: x86_64-*-* i?86-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+11f4 R_386_SIZE32 xxx
+0+11f8 R_386_SIZE32 xxx
+0+11fc R_386_SIZE32 xxx
+0+1200 R_386_SIZE32 yyy
+0+1204 R_386_SIZE32 zzz
+
+
+Contents of section .data:
+ 11f4 00000000 e2ffffff 1e000000 00000000 ................
+ 1204 00000000 00000000 00000000 00000000 ................
+ 1214 00000000 00000000 00000000 00000000 ................
+ 1224 00000000 00000000 00000000 ............
--- /dev/null
+#source: size32-1.s
+#as: --x32
+#ld: -shared -melf32_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+200220 R_X86_64_SIZE32 xxx
+0+200224 R_X86_64_SIZE32 xxx-0x0000001e
+0+200228 R_X86_64_SIZE32 xxx\+0x0000001e
+0+20022c R_X86_64_SIZE32 yyy
+0+200230 R_X86_64_SIZE32 zzz
+
+
+Contents of section .data:
+ 200220 00000000 00000000 00000000 00000000 ................
+ 200230 00000000 00000000 00000000 00000000 ................
+ 200240 00000000 00000000 00000000 00000000 ................
+ 200250 00000000 00000000 00000000 ............
--- /dev/null
+#source: size32-1.s
+#as: --64
+#ld: -shared -melf_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+200360 R_X86_64_SIZE32 xxx
+0+200364 R_X86_64_SIZE32 xxx-0x000000000000001e
+0+200368 R_X86_64_SIZE32 xxx\+0x000000000000001e
+0+20036c R_X86_64_SIZE32 yyy
+0+200370 R_X86_64_SIZE32 zzz
+
+
+Contents of section .data:
+ 200360 00000000 00000000 00000000 00000000 ................
+ 200370 00000000 00000000 00000000 00000000 ................
+ 200380 00000000 00000000 00000000 00000000 ................
+ 200390 00000000 00000000 00000000 ............
--- /dev/null
+# 32-bit size relocation in shared object
+ .comm xxx,40,32
+ .data
+ .p2align 2
+ .long xxx@SIZE
+ .long xxx@SIZE-30
+ .long xxx@SIZE+30
+ .long yyy@SIZE
+ .long zzz@SIZE
+ .globl yyy
+ .type yyy, %object
+ .size yyy, 40
+yyy:
+ .zero 40
--- /dev/null
+#source: size32-2.s
+#as: --32
+#ld: -shared -melf_i386
+#objdump: -R -s -j .data
+#target: x86_64-*-* i?86-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+123c R_386_SIZE32 xxx
+0+1240 R_386_SIZE32 yyy
+0+1244 R_386_SIZE32 zzz
+0+1248 R_386_SIZE32 zzz
+0+124c R_386_SIZE32 zzz
+
+
+Contents of section .data:
+ 123c 00000000 00000000 00000000 e2ffffff ................
+ 124c 1e000000 ....
--- /dev/null
+#source: size32-2.s
+#as: --x32
+#ld: -shared -melf32_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+200278 R_X86_64_SIZE32 xxx
+0+20027c R_X86_64_SIZE32 yyy
+0+200280 R_X86_64_SIZE32 zzz
+0+200284 R_X86_64_SIZE32 zzz-0x0000001e
+0+200288 R_X86_64_SIZE32 zzz\+0x0000001e
+
+
+Contents of section .data:
+ 200278 00000000 00000000 00000000 00000000 ................
+ 200288 00000000 ....
--- /dev/null
+#source: size32-2.s
+#as: --64
+#ld: -shared -melf_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+2003d8 R_X86_64_SIZE32 xxx
+0+2003dc R_X86_64_SIZE32 yyy
+0+2003e0 R_X86_64_SIZE32 zzz
+0+2003e4 R_X86_64_SIZE32 zzz-0x000000000000001e
+0+2003e8 R_X86_64_SIZE32 zzz\+0x000000000000001e
+
+
+Contents of section .data:
+ 2003d8 00000000 00000000 00000000 00000000 ................
+ 2003e8 00000000 ....
--- /dev/null
+# 32-bit size relocation against TLS symbol in shared object
+ .globl xxx
+ .section .tbss,"awT",%nobits
+ .p2align 2
+ .type xxx, %object
+ .size xxx, 40
+xxx:
+ .zero 40
+ .globl yyy
+ .section .tdata,"awT",%progbits
+ .p2align 2
+ .type yyy, %object
+ .size yyy, 40
+yyy:
+ .zero 40
+ .data
+ .p2align 2
+ .long xxx@SIZE
+ .long yyy@SIZE
+ .long zzz@SIZE
+ .long zzz@SIZE-30
+ .long zzz@SIZE+30
--- /dev/null
+#source: size64-1.s
+#as: --x32
+#ld: -shared -melf32_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+200220 R_X86_64_SIZE32 xxx
+0+200228 R_X86_64_SIZE64 xxx-0x0000001e
+0+200230 R_X86_64_SIZE64 xxx\+0x0000001e
+0+200238 R_X86_64_SIZE32 yyy
+0+200240 R_X86_64_SIZE32 zzz
+
+
+Contents of section .data:
+ 200220 00000000 00000000 00000000 00000000 ................
+ 200230 00000000 00000000 00000000 00000000 ................
+ 200240 00000000 00000000 00000000 00000000 ................
+ 200250 00000000 00000000 00000000 00000000 ................
+ 200260 00000000 00000000 00000000 00000000 ................
--- /dev/null
+#source: size64-1.s
+#as: --64
+#ld: -shared -melf_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+200360 R_X86_64_SIZE64 xxx
+0+200368 R_X86_64_SIZE64 xxx-0x000000000000001e
+0+200370 R_X86_64_SIZE64 xxx\+0x000000000000001e
+0+200378 R_X86_64_SIZE64 yyy
+0+200380 R_X86_64_SIZE64 zzz
+
+
+Contents of section .data:
+ 200360 00000000 00000000 00000000 00000000 ................
+ 200370 00000000 00000000 00000000 00000000 ................
+ 200380 00000000 00000000 00000000 00000000 ................
+ 200390 00000000 00000000 00000000 00000000 ................
+ 2003a0 00000000 00000000 00000000 00000000 ................
--- /dev/null
+# 64-bit size relocation in shared object
+ .comm xxx,40,32
+ .data
+ .p2align 2
+ .quad xxx@SIZE
+ .quad xxx@SIZE-30
+ .quad xxx@SIZE+30
+ .quad yyy@SIZE
+ .quad zzz@SIZE
+ .globl yyy
+ .type yyy, %object
+ .size yyy, 40
+yyy:
+ .zero 40
--- /dev/null
+#source: size64-2.s
+#as: --x32
+#ld: -shared -melf32_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+200278 R_X86_64_SIZE32 xxx
+0+200280 R_X86_64_SIZE32 yyy
+0+200288 R_X86_64_SIZE32 zzz
+0+200290 R_X86_64_SIZE64 zzz-0x0000001e
+0+200298 R_X86_64_SIZE64 zzz\+0x0000001e
+
+
+Contents of section .data:
+ 200278 00000000 00000000 00000000 00000000 ................
+ 200288 00000000 00000000 00000000 00000000 ................
+ 200298 00000000 00000000 ........
--- /dev/null
+#source: size64-2.s
+#as: --64
+#ld: -shared -melf_x86_64
+#objdump: -R -s -j .data
+#target: x86_64-*-*
+
+.*: +file format .*
+
+DYNAMIC RELOCATION RECORDS
+OFFSET TYPE VALUE
+0+2003d8 R_X86_64_SIZE64 xxx
+0+2003e0 R_X86_64_SIZE64 yyy
+0+2003e8 R_X86_64_SIZE64 zzz
+0+2003f0 R_X86_64_SIZE64 zzz-0x000000000000001e
+0+2003f8 R_X86_64_SIZE64 zzz\+0x000000000000001e
+
+
+Contents of section .data:
+ 2003d8 00000000 00000000 00000000 00000000 ................
+ 2003e8 00000000 00000000 00000000 00000000 ................
+ 2003f8 00000000 00000000 ........
--- /dev/null
+# 64-bit size relocation against TLS symbol in shared object
+ .globl xxx
+ .section .tbss,"awT",%nobits
+ .p2align 2
+ .type xxx, %object
+ .size xxx, 40
+xxx:
+ .zero 40
+ .globl yyy
+ .section .tdata,"awT",%progbits
+ .p2align 2
+ .type yyy, %object
+ .size yyy, 40
+yyy:
+ .zero 40
+ .data
+ .p2align 2
+ .quad xxx@SIZE
+ .quad yyy@SIZE
+ .quad zzz@SIZE
+ .quad zzz@SIZE-30
+ .quad zzz@SIZE+30