From 45965137bee4946dca3cd99285f2a7afe6b99aeb Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Wed, 5 Mar 2014 19:57:39 +1030 Subject: Support R_PPC64_ADDR64_LOCAL This adds support for "func@localentry", an expression that returns the ELFv2 local entry point address of function "func". I've excluded dynamic relocation support because that obviously would require glibc changes. include/elf/ * ppc64.h (R_PPC64_REL24_NOTOC, R_PPC64_ADDR64_LOCAL): Define. bfd/ * elf64-ppc.c (ppc64_elf_howto_raw): Add R_PPC64_ADDR64_LOCAL entry. (ppc64_elf_reloc_type_lookup): Support R_PPC64_ADDR64_LOCAL. (ppc64_elf_check_relocs): Likewise. (ppc64_elf_relocate_section): Likewise. * Add BFD_RELOC_PPC64_ADDR64_LOCAL. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. gas/ * config/tc-ppc.c (ppc_elf_suffix): Support @localentry. (md_apply_fix): Support R_PPC64_ADDR64_LOCAL. ld/testsuite/ * ld-powerpc/elfv2-2a.s, ld-powerpc/elfv2-2b.s: New files. * ld-powerpc/elfv2-2exe.d, ld-powerpc/elfv2-2so.d: New files. * ld-powerpc/powerpc.exp: Run new test. elfcpp/ * powerpc.h (R_PPC64_REL24_NOTOC, R_PPC64_ADDR64_LOCAL): Define. gold/ * powerpc.cc (Target_powerpc::Scan::local, global): Support R_PPC64_ADDR64_LOCAL. (Target_powerpc::Relocate::relocate): Likewise. --- ld/testsuite/ChangeLog | 6 ++++++ ld/testsuite/ld-powerpc/elfv2-2a.s | 27 ++++++++++++++++++++++++ ld/testsuite/ld-powerpc/elfv2-2b.s | 17 +++++++++++++++ ld/testsuite/ld-powerpc/elfv2-2exe.d | 41 ++++++++++++++++++++++++++++++++++++ ld/testsuite/ld-powerpc/elfv2-2so.d | 5 +++++ ld/testsuite/ld-powerpc/powerpc.exp | 2 ++ 6 files changed, 98 insertions(+) create mode 100644 ld/testsuite/ld-powerpc/elfv2-2a.s create mode 100644 ld/testsuite/ld-powerpc/elfv2-2b.s create mode 100644 ld/testsuite/ld-powerpc/elfv2-2exe.d create mode 100644 ld/testsuite/ld-powerpc/elfv2-2so.d (limited to 'ld') diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 701b088..b083aec 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2014-03-05 Alan Modra + + * ld-powerpc/elfv2-2a.s, ld-powerpc/elfv2-2b.s: New files. + * ld-powerpc/elfv2-2exe.d, ld-powerpc/elfv2-2so.d: New files. + * ld-powerpc/powerpc.exp: Run new test. + 2014-03-03 Alan Modra * ld-scripts/phdrs2.exp: Correct copyright punctuation. diff --git a/ld/testsuite/ld-powerpc/elfv2-2a.s b/ld/testsuite/ld-powerpc/elfv2-2a.s new file mode 100644 index 0000000..303087a --- /dev/null +++ b/ld/testsuite/ld-powerpc/elfv2-2a.s @@ -0,0 +1,27 @@ + .globl f1 + .type f1,@function + .text +f1: + addis 2,12,.TOC.-f1@ha + addi 2,2,.TOC.-f1@l + .localentry f1,.-f1 + blr + .size f1,.-f1 + + .globl f2 + .type f2,@function + .text +f2: + addi 2,12,.TOC.-f2 + .localentry f2,.-f2 + blr + .size f2,.-f2 + + .quad f1 + .quad f1@localentry + .quad f2 + .quad f2@localentry + .quad f3 + .quad f3@localentry + .quad f4 + .quad f4@localentry diff --git a/ld/testsuite/ld-powerpc/elfv2-2b.s b/ld/testsuite/ld-powerpc/elfv2-2b.s new file mode 100644 index 0000000..9c9d75e --- /dev/null +++ b/ld/testsuite/ld-powerpc/elfv2-2b.s @@ -0,0 +1,17 @@ + .globl f3 + .type f3,@function + .text +f3: + addis 2,12,.TOC.-f3@ha + addi 2,2,.TOC.-f3@l + .localentry f3,.-f3 + blr + .size f3,.-f3 + + .globl f4 + .type f4,@function + .text +f4: + .localentry f4,0 + blr + .size f4,.-f4 diff --git a/ld/testsuite/ld-powerpc/elfv2-2exe.d b/ld/testsuite/ld-powerpc/elfv2-2exe.d new file mode 100644 index 0000000..c8deda1 --- /dev/null +++ b/ld/testsuite/ld-powerpc/elfv2-2exe.d @@ -0,0 +1,41 @@ +#source: elfv2-2a.s +#source: elfv2-2b.s +#as: -a64 +#ld: -melf64ppc -e f1 +#objdump: -dr + +.* + +Disassembly of section \.text: + +0+10000078 : +.*: (3c 40 10 01|01 10 40 3c) lis r2,4097 +.*: (38 42 80 78|78 80 42 38) addi r2,r2,-32648 +.*: (4e 80 00 20|20 00 80 4e) blr +0+10000084 : +.*: (38 4c 7f f4|f4 7f 4c 38) addi r2,r12,32756 +.*: (4e 80 00 20|20 00 80 4e) blr +.*: (00 00 00 00|78 00 00 10) .* +.*: (10 00 00 78|00 00 00 00) .* +.*: (00 00 00 00|80 00 00 10) .* +.*: (10 00 00 80|00 00 00 00) .* +.*: (00 00 00 00|84 00 00 10) .* +.*: (10 00 00 84|00 00 00 00) .* +.*: (00 00 00 00|88 00 00 10) .* +.*: (10 00 00 88|00 00 00 00) .* +.*: (00 00 00 00|cc 00 00 10) .* +.*: (10 00 00 cc|00 00 00 00) .* +.*: (00 00 00 00|d4 00 00 10) .* +.*: (10 00 00 d4|00 00 00 00) .* +.*: (00 00 00 00|d8 00 00 10) .* +.*: (10 00 00 d8|00 00 00 00) .* +.*: (00 00 00 00|d8 00 00 10) .* +.*: (10 00 00 d8|00 00 00 00) .* + +0+100000cc : +.*: (3c 40 10 01|01 10 40 3c) lis r2,4097 +.*: (38 42 80 78|78 80 42 38) addi r2,r2,-32648 +.*: (4e 80 00 20|20 00 80 4e) blr + +0+100000d8 : +.*: (4e 80 00 20|20 00 80 4e) blr diff --git a/ld/testsuite/ld-powerpc/elfv2-2so.d b/ld/testsuite/ld-powerpc/elfv2-2so.d new file mode 100644 index 0000000..56b1434 --- /dev/null +++ b/ld/testsuite/ld-powerpc/elfv2-2so.d @@ -0,0 +1,5 @@ +#source: elfv2-2a.s +#source: elfv2-2b.s +#as: -a64 +#ld: -melf64ppc -shared -e f1 +#error: .* R_PPC64_ADDR64_LOCAL reloc unsupported in shared libraries and PIEs.* diff --git a/ld/testsuite/ld-powerpc/powerpc.exp b/ld/testsuite/ld-powerpc/powerpc.exp index 87e4ea8..2e8c126 100644 --- a/ld/testsuite/ld-powerpc/powerpc.exp +++ b/ld/testsuite/ld-powerpc/powerpc.exp @@ -271,6 +271,8 @@ if [ supports_ppc64 ] then { run_dump_test "relbrlt" run_dump_test "elfv2so" run_dump_test "elfv2exe" + run_dump_test "elfv2-2so" + run_dump_test "elfv2-2exe" } if { [istarget "powerpc*-eabi*"] } { -- cgit v1.1