1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 #include "textflag.h" 6 7 // funcdata for functions with no local variables in frame. 8 // Define two zero-length bitmaps, because the same index is used 9 // for the local variables as for the argument frame, and assembly 10 // frames have two argument bitmaps, one without results and one with results. 11 DATA runtimeno_pointers_stackmap+0x00(SB)/4, $2 12 DATA runtimeno_pointers_stackmap+0x04(SB)/4, $0 13 GLOBL runtimeno_pointers_stackmap(SB),RODATA, $8 14 15 GLOBL runtimemheap_(SB), NOPTR, $0 16 GLOBL runtimememstats(SB), NOPTR, $0 17 18 // NaCl requires that these skips be verifiable machine code. 19 #ifdef GOARCH_amd64 20 #define SKIP4 BYTE $0x90; BYTE $0x90; BYTE $0x90; BYTE $0x90 21 #endif 22 #ifdef GOARCH_386 23 #define SKIP4 BYTE $0x90; BYTE $0x90; BYTE $0x90; BYTE $0x90 24 #endif 25 #ifdef GOARCH_amd64p32 26 #define SKIP4 BYTE $0x90; BYTE $0x90; BYTE $0x90; BYTE $0x90 27 #endif 28 #ifndef SKIP4 29 #define SKIP4 WORD $0 30 #endif 31 32 #define SKIP16 SKIP4; SKIP4; SKIP4; SKIP4 33 #define SKIP64 SKIP16; SKIP16; SKIP16; SKIP16 34 35 // This function must be sizeofSkipFunction bytes. 36 TEXT runtimeskipPleaseUseCallersFrames(SB),NOSPLIT,$0-0 37 SKIP64; SKIP64; SKIP64; SKIP64 38
