From 30f981d98019f130c1ef439c9585f80591c20ed2 Mon Sep 17 00:00:00 2001 From: Evan Shaw Date: Tue, 13 Apr 2010 16:13:53 -0700 Subject: [PATCH] 8l: add DOS stub to PE binaries R=rsc CC=golang-dev https://golang.org/cl/915041 --- src/cmd/ld/pe.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/src/cmd/ld/pe.c b/src/cmd/ld/pe.c index 15bd7b70d61..d3439abfb18 100644 --- a/src/cmd/ld/pe.c +++ b/src/cmd/ld/pe.c @@ -11,6 +11,28 @@ #include "../ld/lib.h" #include "../ld/pe.h" +// DOS stub that prints out +// "This program cannot be run in DOS mode." +static char dosstub[] = +{ + 0x4d, 0x5a, 0x90, 0x00, 0x03, 0x00, 0x04, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, + 0x8b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, + 0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd, + 0x21, 0xb8, 0x01, 0x4c, 0xcd, 0x21, 0x54, 0x68, + 0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72, + 0x61, 0x6d, 0x20, 0x63, 0x61, 0x6e, 0x6e, 0x6f, + 0x74, 0x20, 0x62, 0x65, 0x20, 0x72, 0x75, 0x6e, + 0x20, 0x69, 0x6e, 0x20, 0x44, 0x4f, 0x53, 0x20, + 0x6d, 0x6f, 0x64, 0x65, 0x2e, 0x0d, 0x0d, 0x0a, + 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + static int pe64; static int nsect; static int sect_virt_begin; @@ -64,8 +86,7 @@ pewrite(void) { int i, j; - strnput("MZ", 0x3c); - LPUT(0x40); // file offset to PE header + write(cout, dosstub, sizeof dosstub); strnput("PE", 4); for (i=0; i