cmd/ld: set ELF header flags for our Linux/ARM binary

To make it more compliant.
This won't affect the behavior of running on OABI-only kernels.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/6475044

diff --git a/src/cmd/ld/elf.c b/src/cmd/ld/elf.c
index a3359cdd726087d9355da4c7aed95128d9dff3a1..a4829da4e885c4d300ab9970fcbb6f2401a78682 100644 (file)
--- a/src/cmd/ld/elf.c
+++ b/src/cmd/ld/elf.c
@@ -52,6 +52,9 @@ elfinit(void)
                break;
 
        // 32-bit architectures
+       case '5':
+               hdr.flags = 0x5000002; // has entry point, Version5 EABI
+               // fallthrough
        default:
                hdr.phoff = ELF32HDRSIZE;       /* Must be be ELF32HDRSIZE: first PHdr must follow ELF header */
                hdr.shoff = ELF32HDRSIZE;       /* Will move as we add PHeaders */