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4a421c53cf
bfd/ * elf64-ppc.c (ppc64_elf_check_relocs): Set has_gotrel for R_PPC64_GOT_PCREL34. (xlate_pcrel_opt): New function. (ppc64_elf_edit_toc): Handle R_PPC64_GOT_PCREL34. (ppc64_elf_relocate_section): Edit GOT indirect to GOT relative for R_PPC64_GOT_PCREL34. Implement R_PPC64_PCREL_OPT optimisation. ld/ * testsuite/ld-powerpc/pcrelopt.s, * testsuite/ld-powerpc/pcrelopt.d, * testsuite/ld-powerpc/pcrelopt.sec: New test. * testsuite/ld-powerpc/powerpc.exp: Run it.
120 lines
2.3 KiB
ArmAsm
120 lines
2.3 KiB
ArmAsm
.text
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.globl _start
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_start:
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# original PCREL_OPT definition, with second insn immediately after first
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0
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lbz 3,0(9)
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# but we now allow an offset to the second insn
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pld 22,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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nop
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0: lhz 4,0(22)
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# in fact, it can even be before the "first" insn
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0: lha 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0b-(.-8)
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bne 0b
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# and of course, other local labels work
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,.L1-(.-8)
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.L1: lwz 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lwa 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: ld 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lq 14,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lfs 1,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lfd 1,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lxsd 30,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lxssp 31,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lxv 63,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: lxv 0,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stb 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: sth 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stw 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: std 3,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stq 14,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stfd 1,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stfs 2,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stxsd 30,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stxssp 31,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stxv 63,0(9)
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pld 9,sym@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: stxv 0,0(9)
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# This should not optimize
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.extern i
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.type i,@object
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pld 9,i@got@pcrel
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.reloc .-8,R_PPC64_PCREL_OPT,0f-(.-8)
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0: ld 0,0(9)
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# and this should edit from GOT indirect to GOT relative
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# ie. change the pld to paddi, leaving the lbz as is.
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pld 7,sym@got@pcrel
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lbz 6,0(7)
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.data
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sym: .space 32
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