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| author | Austin Clements <austin@google.com> | 2014-12-16 14:01:08 -0500 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2015-01-07 20:34:55 +0000 |
| commit | e32fe2049d41cefabe0380212beb2aea86a1789b (patch) | |
| tree | 26a9428fa44b4219345648e776e4157b799f51e7 /src/cmd | |
| parent | ec767c10b30819d907b010a8cfb4831420db7718 (diff) | |
| download | go-e32fe2049d41cefabe0380212beb2aea86a1789b.tar.xz | |
cmd/ld: decode local entry offset from ppc64 symbols
ppc64 function symbols have both a global entry point and a local
entry point, where the difference is stashed in sym.other. We'll need
this information to generate calls to ELF ABI functions.
Change-Id: Ibe343923f56801de7ebec29946c79690a9ffde57
Reviewed-on: https://go-review.googlesource.com/2002
Reviewed-by: Russ Cox <rsc@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
Diffstat (limited to 'src/cmd')
| -rw-r--r-- | src/cmd/ld/ldelf.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cmd/ld/ldelf.c b/src/cmd/ld/ldelf.c index 894b9ee2f4..90da4aeb8f 100644 --- a/src/cmd/ld/ldelf.c +++ b/src/cmd/ld/ldelf.c @@ -327,7 +327,7 @@ ldelf(Biobuf *f, char *pkg, int64 len, char *pn) int32 base; uint64 add, info; char *name; - int i, j, rela, is64, n; + int i, j, rela, is64, n, flag; uchar hdrbuf[64]; uchar *p; ElfHdrBytes *hdr; @@ -616,6 +616,13 @@ ldelf(Biobuf *f, char *pkg, int64 len, char *pn) diag("%s: duplicate definition of %s", pn, s->name); s->external = 1; } + if(obj->machine == ElfMachPower64) { + flag = sym.other >> 5; + if(2 <= flag && flag <= 6) + s->localentry = 1 << (flag - 2); + else if(flag == 7) + diag("%s: invalid sym.other 0x%x for %s", pn, sym.other, s->name); + } } // Sort outer lists by address, adding to textp. |