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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.
This commit is contained in:
Marek Roszko 2021-04-12 19:11:44 -04:00
parent e6997d87b3
commit 8219334806
1 changed files with 2 additions and 2 deletions
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4
common/system/libcontext.cpp
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@ -151,7 +151,7 @@ __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"
@ -197,7 +197,7 @@ __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"