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PowerPC64 tocsave testcases 

* testsuite/ld-powerpc/powerpc.exp: Run TOCSAVE tests.
	* testsuite/ld-powerpc/tocsave1.s,
	* testsuite/ld-powerpc/tocsave1a.d,
	* testsuite/ld-powerpc/tocsave1s.d,
	* testsuite/ld-powerpc/tocsave2.s,
	* testsuite/ld-powerpc/tocsave2a.d,
	* testsuite/ld-powerpc/tocsave2s.d,
	* testsuite/ld-powerpc/tocsavelib.s: New files.
This commit is contained in:
Alan Modra 2017-06-20 09:30:23 +09:30
parent 6c290d5387
commit 81209eff90
9 changed files with 129 additions and 0 deletions
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11
ld/ChangeLog
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@ -1,3 +1,14 @@
2017-06-21 Alan Modra <amodra@gmail.com>
* testsuite/ld-powerpc/powerpc.exp: Run TOCSAVE tests.
* testsuite/ld-powerpc/tocsave1.s,
* testsuite/ld-powerpc/tocsave1a.d,
* testsuite/ld-powerpc/tocsave1s.d,
* testsuite/ld-powerpc/tocsave2.s,
* testsuite/ld-powerpc/tocsave2a.d,
* testsuite/ld-powerpc/tocsave2s.d,
* testsuite/ld-powerpc/tocsavelib.s: New files.
2017-06-19 H.J. Lu <hongjiu.lu@intel.com>
PR ld/21626

10
ld/testsuite/ld-powerpc/powerpc.exp
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@ -231,6 +231,16 @@ set ppc64elftests {
{{ld tocopt7.out} {objdump -s tocopt7.d}} "tocopt7"}
{"TOC opt8" "-melf64ppc" "" "-a64 -mpower9" {tocopt8.s}
{{objdump -s tocopt8.d}} "tocopt8"}
{"tocsave lib" "-shared -melf64ppc" "" "-a64" {tocsavelib.s}
{} "tocsavelib.so"}
{"tocsave1 shared" "-melf64ppc" "tmpdir/tocsavelib.so" "-a64" {tocsave1.s}
{{objdump -dr tocsave1s.d}} "tocsave1s"}
{"tocsave1 static" "-melf64ppc" "tmpdir/tocsavelib.o" "-a64" {tocsave1.s}
{{objdump -dr tocsave1a.d}} "tocsave1a"}
{"tocsave2 shared" "-melf64ppc" "tmpdir/tocsavelib.so" "-a64" {tocsave2.s}
{{objdump -dr tocsave2s.d}} "tocsave2s"}
{"tocsave2 static" "-melf64ppc" "tmpdir/tocsavelib.o" "-a64" {tocsave2.s}
{{objdump -dr tocsave2a.d}} "tocsave2a"}
{"ambig shared v1" "-shared -melf64ppc" "" "-a64" {funv1.s} {} "funv1.so"}
{"ambig shared v2" "-shared -melf64ppc" "" "-a64" {funv2.s} {} "funv2.so"}
}

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ld/testsuite/ld-powerpc/tocsave1.s Normal file
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.abiversion 1
.global _start
.type _start,@function
.section ".opd","aw",@progbits
.p2align 3
_start:
.quad .L_start, .TOC.@tocbase, 0
.text
.L_start:
nop
.L1:
# tocsave in a function prologue
.reloc .,R_PPC64_TOCSAVE,.L1
nop
nop
# tocsave on a call
bl foo
.reloc .,R_PPC64_TOCSAVE,.L1
nop
blr
.size _start, .-.L_start

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ld/testsuite/ld-powerpc/tocsave1a.d Normal file
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.*: file format .*
Disassembly of section \.text:
.* <\._start>:
.*: (00 00 00 60|60 00 00 00) nop
.*: (00 00 00 60|60 00 00 00) nop
.*: (00 00 00 60|60 00 00 00) nop
.*: (0d 00 00 48|48 00 00 0d) bl .* <foo>
.*: (00 00 00 60|60 00 00 00) nop
.*: (20 00 80 4e|4e 80 00 20) blr
.* <foo>:
.*: (20 00 80 4e|4e 80 00 20) blr

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ld/testsuite/ld-powerpc/tocsave1s.d Normal file
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@ -0,0 +1,9 @@
#...
.* <\._start>:
.*: (00 00 00 60|60 00 00 00) nop
.*: (28 00 41 f8|f8 41 00 28) std r2,40\(r1\)
.*: (00 00 00 60|60 00 00 00) nop
.*: (.. .. .. 4b|4b .. .. ..) bl .* <.*\.plt_call\.foo>
.*: (28 00 41 e8|e8 41 00 28) ld r2,40\(r1\)
.*: (20 00 80 4e|4e 80 00 20) blr
#pass

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ld/testsuite/ld-powerpc/tocsave2.s Normal file
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.abiversion 2
.global _start
.type _start,@function
_start:
nop
.L1:
# Function prologue tocsave.
.reloc .,R_PPC64_TOCSAVE,.L1
nop
nop
# Call with tocsave on nop
bl foo
.reloc .,R_PPC64_TOCSAVE,.L1
nop
nop
# A call without tocsave (maybe in a different function, or after alloca
# dynamic stack allocation loses r2 save in same function).
bl foo
nop
blr
.size _start, .-_start

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ld/testsuite/ld-powerpc/tocsave2a.d Normal file
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.*: file format .*
Disassembly of section \.text:
.* <_start>:
.*: (00 00 00 60|60 00 00 00) nop
.*: (00 00 00 60|60 00 00 00) nop
.*: (00 00 00 60|60 00 00 00) nop
.*: (19 00 00 48|48 00 00 19) bl .* <foo>
.*: (00 00 00 60|60 00 00 00) nop
.*: (00 00 00 60|60 00 00 00) nop
.*: (0d 00 00 48|48 00 00 0d) bl .* <foo>
.*: (00 00 00 60|60 00 00 00) nop
.*: (20 00 80 4e|4e 80 00 20) blr
.* <foo>:
.*: (20 00 80 4e|4e 80 00 20) blr

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ld/testsuite/ld-powerpc/tocsave2s.d Normal file
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#...
.* <_start>:
.*: (00 00 00 60|60 00 00 00) nop
.*: (18 00 41 f8|f8 41 00 18) std r2,24\(r1\)
.*: (00 00 00 60|60 00 00 00) nop
.*: (.. .. .. 4b|4b .. .. ..) bl .* <.*\.plt_call\.foo\+0x4>
.*: (18 00 41 e8|e8 41 00 18) ld r2,24\(r1\)
.*: (00 00 00 60|60 00 00 00) nop
.*: (.. .. .. 4b|4b .. .. ..) bl .* <.*\.plt_call\.foo>
.*: (18 00 41 e8|e8 41 00 18) ld r2,24\(r1\)
.*: (20 00 80 4e|4e 80 00 20) blr
.*: (00 00 00 60|60 00 00 00) nop
#pass

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ld/testsuite/ld-powerpc/tocsavelib.s Normal file
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.global foo
.type foo,@function
foo:
blr
.size foo, .-foo