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| author | Russ Cox <rsc@golang.org> | 2012-08-03 15:27:35 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2012-08-03 15:27:35 -0400 |
| commit | 794abc24e0983d3fc7da093aacf8960c5191e9c6 (patch) | |
| tree | 0d500850b82fea6c3899af537d4a06f5ec1f4261 /src/cmd/8l/asm.c | |
| parent | 45999e2dc45fb41860a9b35840c2177bbe912165 (diff) | |
| download | go-794abc24e0983d3fc7da093aacf8960c5191e9c6.tar.gz | |
cmd/ld: add PT_PAX_FLAGS ELF header
PAX systems are Linux systems that are more paranoid about memory permissions.
These flags tell them to relax when running Go binaries.
Fixes issue 47.
R=iant
CC=golang-dev
http://codereview.appspot.com/6326054
Diffstat (limited to 'src/cmd/8l/asm.c')
| -rw-r--r-- | src/cmd/8l/asm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/cmd/8l/asm.c b/src/cmd/8l/asm.c index 6c3a76e4d..99c9b238b 100644 --- a/src/cmd/8l/asm.c +++ b/src/cmd/8l/asm.c @@ -1127,6 +1127,11 @@ asmb(void) ph->flags = PF_W+PF_R; ph->align = 4; + ph = newElfPhdr(); + ph->type = PT_PAX_FLAGS; + ph->flags = 0x2a00; // mprotect, randexec, emutramp disabled + ph->align = 4; + sh = newElfShstrtab(elfstr[ElfStrShstrtab]); sh->type = SHT_STRTAB; sh->addralign = 1; |