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Pad only text sections at end by default

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gas/
	* write.c (SUB_SEGMENT_ALIGN): Don't pad non-code sections at
	end to their alignment.
gas/testsuite/
	* gas/sparc/pcrel.d: Update for changed padding in data sections.
	* gas/sparc/pcrel64.d: Likewise.
ld/testsuite/
	* ld-sparc/gotop32.rd: Update for changed padding in data sections.
	* ld-sparc/gotop32.td: Likewise.
	* ld-sparc/gotop64.rd: Likewise.
	* ld-sparc/gotop64.td: Likewise.
	* ld-tilegx/external.s: Align .data.
	* ld-tilepro/external.s: Likewise.
This commit is contained in:
Alan Modra 2015-02-25 09:36:36 +10:30
parent f01f1741df
commit 9028d9432c
12 changed files with 56 additions and 39 deletions
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5
gas/ChangeLog
View file

@ -1,3 +1,8 @@
2015-02-28 Alan Modra <amodra@gmail.com>
* write.c (SUB_SEGMENT_ALIGN): Don't pad non-code sections at
end to their alignment.
2015-02-19 Marcus Shawcroft <marcus.shawcroft@arm.com>
* config/tc-aarch64.c (reloc_table_entry): Generate

5
gas/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2015-02-28 Alan Modra <amodra@gmail.com>
* gas/sparc/pcrel.d: Update for changed padding in data sections.
* gas/sparc/pcrel64.d: Likewise.
2015-02-26 Marcus Shawcroft <marcus.shawcroft@arm.com>
* gas/aarch64/diagnostic.s: Add LDR test.

25
gas/testsuite/gas/sparc/pcrel.d
View file

@ -4,7 +4,7 @@
.*: +file format .*sparc.*
Disassembly of section .text:
Disassembly of section \.text:
0+ <foo-0x8>:
0: 01 00 00 00 nop
@ -12,23 +12,22 @@ Disassembly of section .text:
0+8 <foo>:
8: 01 00 00 00 nop
Disassembly of section .data:
Disassembly of section \.data:
0+ <.data>:
0+ <\.data>:
0: 00 00 00 00 (unimp|illtrap) 0
4: 00 00 00 01 (unimp|illtrap) 0x1
...
8: R_SPARC_32 .text\+0x10
c: R_SPARC_DISP32 .text\+0x10
10: R_SPARC_32 .text\+0x14
14: R_SPARC_DISP32 .text\+0x14
\.\.\.
8: R_SPARC_32 \.text\+0x10
c: R_SPARC_DISP32 \.text\+0x10
10: R_SPARC_32 \.text\+0x14
14: R_SPARC_DISP32 \.text\+0x14
18: R_SPARC_32 foo
1c: R_SPARC_DISP32 foo
20: R_SPARC_32 foo\+0x10
24: R_SPARC_DISP32 foo\+0x10
28: R_SPARC_DISP8 .data\+0x18
29: R_SPARC_DISP8 .data\+0x34
2a: R_SPARC_DISP16 .data\+0x18
2c: R_SPARC_DISP16 .data\+0x34
28: R_SPARC_DISP8 \.data\+0x18
29: R_SPARC_DISP8 \.data\+0x34
2a: R_SPARC_DISP16 \.data\+0x18
2c: R_SPARC_DISP16 \.data\+0x34
30: 00 02 00 00 (unimp|illtrap) 0x20000
...

29
gas/testsuite/gas/sparc/pcrel64.d
View file

@ -4,7 +4,7 @@
.*: +file format .*sparc.*
Disassembly of section .text:
Disassembly of section \.text:
0+ <foo-0x8>:
0: 01 00 00 00 nop
@ -12,29 +12,28 @@ Disassembly of section .text:
0+8 <foo>:
8: 01 00 00 00 nop
Disassembly of section .data:
Disassembly of section \.data:
0+ <.data>:
0+ <\.data>:
0: 00 00 00 00 illtrap 0
4: 00 00 00 01 illtrap 0x1
...
8: R_SPARC_32 .text\+0x10
c: R_SPARC_DISP32 .text\+0x10
10: R_SPARC_32 .text\+0x14
14: R_SPARC_DISP32 .text\+0x14
\.\.\.
8: R_SPARC_32 \.text\+0x10
c: R_SPARC_DISP32 \.text\+0x10
10: R_SPARC_32 \.text\+0x14
14: R_SPARC_DISP32 \.text\+0x14
18: R_SPARC_32 foo
1c: R_SPARC_DISP32 foo
20: R_SPARC_32 foo\+0x10
24: R_SPARC_DISP32 foo\+0x10
28: R_SPARC_64 .text\+0x8
30: R_SPARC_DISP64 .text\+0x8
28: R_SPARC_64 \.text\+0x8
30: R_SPARC_DISP64 \.text\+0x8
38: R_SPARC_64 foo
40: R_SPARC_DISP64 foo
48: R_SPARC_64 foo\+0x10
50: R_SPARC_DISP64 foo\+0x10
58: R_SPARC_DISP8 .data\+0x18
59: R_SPARC_DISP8 .data\+0x64
5a: R_SPARC_DISP16 .data\+0x18
5c: R_SPARC_DISP16 .data\+0x64
58: R_SPARC_DISP8 \.data\+0x18
59: R_SPARC_DISP8 \.data\+0x64
5a: R_SPARC_DISP16 \.data\+0x18
5c: R_SPARC_DISP16 \.data\+0x64
60: 00 02 00 00 illtrap 0x20000
...

4
gas/write.c
View file

@ -1692,7 +1692,9 @@ set_symtab (void)
of the section. This allows proper nop-filling at the end of
code-bearing sections. */
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \
(!(FRCHAIN)->frch_next ? get_recorded_alignment (SEG) : 0)
(!(FRCHAIN)->frch_next && subseg_text_p (SEG) \
? get_recorded_alignment (SEG) \
: 0)
#else
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
#endif

9
ld/testsuite/ChangeLog
View file

@ -1,3 +1,12 @@
2015-02-28 Alan Modra <amodra@gmail.com>
* ld-sparc/gotop32.rd: Update for changed padding in data sections.
* ld-sparc/gotop32.td: Likewise.
* ld-sparc/gotop64.rd: Likewise.
* ld-sparc/gotop64.td: Likewise.
* ld-tilegx/external.s: Align .data.
* ld-tilepro/external.s: Likewise.
2015-02-26 Marcus Shawcroft <marcus.shawcroft@arm.com>
* ld-aarch64/aarch64-elf.exp (tls-tiny-desc, tls-tiny-desc-ie)

4
ld/testsuite/ld-sparc/gotop32.rd
View file

@ -16,7 +16,7 @@ Section Headers:
+\[[ 0-9]+\] .text +PROGBITS +0+1000 0+1000 0+1000 0+ +AX +0 +0 4096
+\[[ 0-9]+\] .dynamic +DYNAMIC +0+12000 0+2000 0+70 08 +WA +3 +0 +4
+\[[ 0-9]+\] .got +PROGBITS +0+12070 0+2070 0+8 04 +WA +0 +0 +4
+\[[ 0-9]+\] .data +PROGBITS +0+13000 0+3000 0+1000 00 +WA +0 +0 4096
+\[[ 0-9]+\] .data +PROGBITS +0+13000 0+3000 0+8 00 +WA +0 +0 4096
+\[[ 0-9]+\] .shstrtab +.*
+\[[ 0-9]+\] .symtab +.*
+\[[ 0-9]+\] .strtab +.*
@ -29,7 +29,7 @@ There are [0-9]+ program headers, starting at offset [0-9]+
Program Headers:
+Type +Offset +VirtAddr +PhysAddr +FileSiz MemSiz +Flg Align
+LOAD +0x0+ 0x0+ 0x0+ 0x0+2000 0x0+2000 R E 0x10000
+LOAD +0x0+2000 0x0+12000 0x0+12000 0x0+2000 0x0+2000 RW +0x10000
+LOAD +0x0+2000 0x0+12000 0x0+12000 0x0+1008 0x0+1008 RW +0x10000
+DYNAMIC +0x0+2000 0x0+12000 0x0+12000 0x0+70 0x0+70 RW +0x4
#...

3
ld/testsuite/ld-sparc/gotop32.td
View file

@ -7,6 +7,5 @@
.*: +file format elf32-sparc
Contents of section .data:
13000 12345678 deadbeef 00000000 00000000 .*
13010 00000000 00000000 00000000 00000000 .*
13000 12345678 deadbeef .*
#pass

4
ld/testsuite/ld-sparc/gotop64.rd
View file

@ -16,7 +16,7 @@ Section Headers:
+\[[ 0-9]+\] .text +PROGBITS +0+1000 0+1000 0+1000 0+ +AX +0 +0 4096
+\[[ 0-9]+\] .dynamic +DYNAMIC +0+102000 0+2000 0+e0 10 +WA +3 +0 +8
+\[[ 0-9]+\] .got +PROGBITS +0+1020e0 0+20e0 0+10 08 +WA +0 +0 +8
+\[[ 0-9]+\] .data +PROGBITS +0+103000 0+3000 0+1000 00 +WA +0 +0 4096
+\[[ 0-9]+\] .data +PROGBITS +0+103000 0+3000 0+8 00 +WA +0 +0 4096
+\[[ 0-9]+\] .shstrtab +.*
+\[[ 0-9]+\] .symtab +.*
+\[[ 0-9]+\] .strtab +.*
@ -29,7 +29,7 @@ There are [0-9]+ program headers, starting at offset [0-9]+
Program Headers:
+Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
+LOAD +0x0+ 0x0+ 0x0+ 0x0+2000 0x0+2000 R E 0x100000
+LOAD +0x0+2000 0x0+102000 0x0+102000 0x0+2000 0x0+2000 RW +0x100000
+LOAD +0x0+2000 0x0+102000 0x0+102000 0x0+1008 0x0+1008 RW +0x100000
+DYNAMIC +0x0+2000 0x0+102000 0x0+102000 0x0+e0 0x0+e0 RW +0x8
#...

3
ld/testsuite/ld-sparc/gotop64.td
View file

@ -7,6 +7,5 @@
.*: +file format elf64-sparc
Contents of section .data:
103000 12345678 deadbeef 00000000 00000000 .*
103010 00000000 00000000 00000000 00000000 .*
103000 12345678 deadbeef .*
#pass

2
ld/testsuite/ld-tilegx/external.s
View file

@ -38,6 +38,6 @@ external_64a = 0x123456789abcdef0
external_64b = 0xfedcba9876543210
.data
.align 0x20
.global external_data1
external_data1:

2
ld/testsuite/ld-tilepro/external.s
View file

@ -28,6 +28,6 @@ external_32a = 0x87654321
external_32b = 0xfedcba98
.data
.align 0x20
.global external_data1
external_data1: