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Add a testcase for PR ld/18176

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PR ld/18176
	* ld-x86-64/pr18176.d: New file.
	* ld-x86-64/pr18176.s: Likewise.
	* ld-x86-64/pr18176.t: Likewise.
	* ld-x86-64/x86-64.exp: Run pr18176.
This commit is contained in:
H.J. Lu 2015-04-01 04:24:05 -07:00
parent 16c1c9d6a6
commit 875b5b9d14
6 changed files with 110 additions and 0 deletions
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1
ld/ChangeLog
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@ -5,6 +5,7 @@
2015-04-01 Alan Modra <amodra@gmail.com>
PR ld/18176
* ldlang.c (lang_size_sections): When alignment of sections
results in relro base adjustment being too large, don't go lower
than the initial value.

8
ld/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2015-04-01 H.J. Lu <hongjiu.lu@intel.com>
PR ld/18176
* ld-x86-64/pr18176.d: New file.
* ld-x86-64/pr18176.s: Likewise.
* ld-x86-64/pr18176.t: Likewise.
* ld-x86-64/x86-64.exp: Run pr18176.
2015-03-31 H.J. Lu <hongjiu.lu@intel.com>
* ld-bootstrap/bootstrap.exp (extralibs): Add -lz.

9
ld/testsuite/ld-x86-64/pr18176.d Normal file
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@ -0,0 +1,9 @@
#name: PR ld/18176
#as: --64
#ld: -melf_x86_64 -shared -z relro -T pr18176.t -z max-page-size=0x200000 -z common-page-size=0x1000
#readelf: -l --wide
#target: x86_64-*-linux*
#...
GNU_RELRO 0x04bd07 0x000000000024bd07 0x000000000024bd07 0x0022f9 0x0022f9 R 0x1
#pass

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ld/testsuite/ld-x86-64/pr18176.s Normal file
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@ -0,0 +1,52 @@
.section .init,"ax",@progbits
.p2align 2
.space 0x1a
.section .text,"ax",@progbits
.p2align 4
.space 0x3ab96
.section .fini,"ax",@progbits
.p2align 2
.space 0x9
.section .foo_hdr,"a",@progbits
.p2align 2
.space 0xd14
.section .foo,"a",@progbits
.p2align 3
.space 0x4d5c
.section .rodata,"a",@progbits
.p2align 6
.space 0xa54d
.section .xxx,"a",@progbits
.space 0xf43
.section .yyy,"aw",@progbits
.space 0x1
.section .init_array,"aw",@init_array
.p2align 3
.space 0x10
.section .fini_array,"aw",@fini_array
.p2align 3
.space 0x8
.section .tdata,"awT",%progbits
.p2align 3
.space 0x4
.section .tbss,"awT",%nobits
.p2align 3
.space 0x40
.section .data.rel.ro,"aw",%progbits
.p2align 6
.space 0x1b60
.section .jcr,"aw",@progbits
.p2align 3
.space 0x8
.section .bar,"aw",@progbits
.p2align 3
.space 0x640
.section .data,"aw",%progbits
.p2align 5
.space 0x70
.section .bss,"aw",%nobits
.p2align 6
.space 0x8a0
.section BUS_ERROR_MAP,"aw",%progbits
.p2align 3
.space 0x230

39
ld/testsuite/ld-x86-64/pr18176.t Normal file
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@ -0,0 +1,39 @@
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = SEGMENT_START("text-segment", 0) + SIZEOF_HEADERS;
.hash : { *(.hash) }
.gnu.hash : { *(.gnu.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.init : { *(.init) }
.text : { *(.text) }
.fini : { *(.fini) }
.rodata : { *(.rodata) }
.foo_hdr : { *(.foo_hdr) }
.foo : { *(.foo) }
.xxx : { *(.xxx) }
. = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
.yyy : { *(.yyy) }
.tdata : { *(.tdata) }
.tbss : { *(.tbss) }
.init_array : { *(.init_array) }
.fini_array : { *(.fini_array) }
.jcr : { *(.jcr) }
.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
.dynamic : { *(.dynamic) }
.bar : { *(.bar) }
. = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
.got.plt : { *(.got.plt) }
.data : { *(.data) }
__bss_start = .;
.bss :
{
*(.bss)
. = ALIGN(. != 0 ? 64 / 8 : 1);
}
. = ALIGN(64 / 8);
_end = .; PROVIDE (end = .);
. = DATA_SEGMENT_END (.);
/DISCARD/ : { *(.*) }
}

1
ld/testsuite/ld-x86-64/x86-64.exp
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@ -318,6 +318,7 @@ run_dump_test "mov1d"
run_dump_test "pr17935-1"
run_dump_test "pr17935-2"
run_dump_test "pr18160"
run_dump_test "pr18176"
# Must be native with the C compiler
if { [isnative] && [which $CC] != 0 } {