fix different ANON flag between

darwin and linux

SVN=121371

diff --git a/src/runtime/rt0_amd64_linux.s b/src/runtime/rt0_amd64_linux.s
index 446e10982fa78bf512be41c1d34a4ec805bca6c4..12590bd6c5a3d61ae114276fdf9839a9d3074dd9 100644 (file)
--- a/src/runtime/rt0_amd64_linux.s
+++ b/src/runtime/rt0_amd64_linux.s
@@ -60,9 +60,18 @@ TEXT sys_mmap(SB),1,$-8
        MOVQ    8(SP), DI
        MOVL    16(SP), SI
        MOVL    20(SP), DX
-       MOVL    24(SP), R10
+       MOVL    24(SP), CX
        MOVL    28(SP), R8
        MOVL    32(SP), R9
+
+/* flags arg for ANON is 1000 but sb 20 */
+       MOVL    CX, AX
+       ANDL    $~0x1000, CX
+       ANDL    $0x1000, AX
+       SHRL    $7, AX
+       ORL     AX, CX
+
+       MOVL    CX, R10
        MOVL    $9, AX                  // syscall entry
        SYSCALL
        CMPQ    AX, $0xfffffffffffff001