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libcontext: Call exit instead of random memory address on MSW x86_64 

The original call would jump to a meaningless low address on error,
but the upstream Boost context and 32bit version of this function
call exit to properly terminate the code when this error occurs.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/6820
This commit is contained in:
Ian McInerney 2020-12-23 23:40:56 +00:00
parent 6b420b191a
commit 580293c7fa
1 changed files with 1 additions and 1 deletions
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2
thirdparty/libcontext/libcontext.cpp vendored
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@ -251,7 +251,7 @@ __asm (
"retq\n" "retq\n"
"finish:\n" "finish:\n"
"xor %rcx,%rcx\n" "xor %rcx,%rcx\n"
"callq 0x63\n" "call _exit\n"
"hlt\n" "hlt\n"
" .seh_endproc\n" " .seh_endproc\n"
".def _exit; .scl 2; .type 32; .endef \n" ".def _exit; .scl 2; .type 32; .endef \n"