Fix wrong offset in msys2 x64 libcontext implementation not saving fiber data pointer

This should have/may have been causing random crashes on calls into win32 api. fiber data is located at offset 0x20 of the stack not 0x18.
5 years ago · 204e615b49
1 changed files with 2 additions and 2 deletions
--- a/thirdparty/libcontext/libcontext.cpp
+++ b/thirdparty/libcontext/libcontext.cpp
@ -153,7 +153,7 @@ __asm (
 "	push   %rax\n"
 "	mov    0x1478(%r10),%rax\n"
 "	push   %rax\n"
-"	mov    0x18(%r10),%rax\n"
+"	mov    0x20(%r10),%rax\n"
 "	push   %rax\n"
 "	lea    -0xa8(%rsp),%rsp\n"
 "	test   %r9,%r9\n"
@ -199,7 +199,7 @@ __asm (
 "	lea    (%rsp,%rcx,1),%rsp\n"
 "	mov    %gs:0x30,%r10\n"
 "	pop    %rax\n"
-"	mov    %rax,0x18(%r10)\n"
+"	mov    %rax,0x20(%r10)\n"
 "	pop    %rax\n"
 "	mov    %rax,0x1478(%r10)\n"
 "	pop    %rax\n"