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a27e685fa0
This change, with prerequisite 0e5fabeb, provides a toc base aligned
to 256 bytes rather than 8 bytes. This is necessary for a minor gcc
optimisation, allowing use of d-form instructions to correctly access
toc-relative items larger than 8 bytes.
bfd/
* elf64-ppc.c (TOC_BASE_ALIGN): Define.
(ppc64_elf_next_toc_section): Align multi-got toc base.
(ppc64_elf_set_toc): Likewise initial toc base and .TOC. symbol.
ld/
* emulparams/elf64ppc.sh (GOT): Align.
ld/testsuite/
* ld-powerpc/ambiguousv1b.d: Update for aligned .got.
* ld-powerpc/defsym.d: Likewise.
* ld-powerpc/elfv2-2exe.d: Likewise.
* ld-powerpc/elfv2exe.d: Likewise.
* ld-powerpc/elfv2so.d: Likewise.
* ld-powerpc/relbrlt.d: Likewise.
* ld-powerpc/tls.g: Likewise.
* ld-powerpc/tlsexe.d: Likewise.
* ld-powerpc/tlsexe.g: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsexetoc.d: Likewise.
* ld-powerpc/tlsexetoc.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlsso.d: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlstoc.g: Likewise.
* ld-powerpc/tlstocso.d: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-powerpc/tocopt.d: Likewise.
* ld-powerpc/tocopt2.d: Likewise.
* ld-powerpc/tocopt3.d: Likewise.
* ld-powerpc/tocopt4.d: Likewise.
* ld-powerpc/tocopt5.d: Likewise.
27 lines
774 B
Makefile
27 lines
774 B
Makefile
#source: defsym.s
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#as: -a64
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#ld: -melf64ppc --defsym bar=foo
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#objdump: -Dr
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.*: file format elf64-powerpc.*
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Disassembly of section \.text:
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0+100000b0 <_start>:
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100000b0: (48 00 00 15|15 00 00 48) bl 100000c4 <(foo|bar)\+0x8>
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100000b4: (48 00 00 11|11 00 00 48) bl 100000c4 <(foo|bar)\+0x8>
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100000b8: (60 00 00 00|00 00 00 60) nop
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0+100000bc <(foo|bar)>:
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100000bc: (3c 40 10 02|02 10 40 3c) lis r2,4098
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100000c0: (38 42 80 00|00 80 42 38) addi r2,r2,-32768
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100000c4: (4e 80 00 20|20 00 80 4e) blr
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Disassembly of section \.data:
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0+100100c8 .*:
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100100c8: (00 00 00 00|bc 00 00 10) .*
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100100cc: (10 00 00 bc|00 00 00 00) .*
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100100d0: (00 00 00 00|bc 00 00 10) .*
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100100d4: (10 00 00 bc|00 00 00 00) .*
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