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win32.S: Add handling for position-independent code on Darwin

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Newer versions of Darwin generate the necessary stub functions
automatically and just need a call instruction, but accomodating older
versions as well requires adding the stub.
This commit is contained in:
Josh Triplett
2014-03-22 10:00:53 -07:00
parent ef5890ebaf
commit f0f4138f90
1 changed files with 11 additions and 0 deletions
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11
src/x86/win32.S
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@@ -691,6 +691,8 @@ USCORE_SYMBOL(ffi_closure_SYSV):
movl %edx, (%esp) /* &resp */
#if defined(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE) || !defined(__PIC__)
call USCORE_SYMBOL(ffi_closure_SYSV_inner)
#elif defined(X86_DARWIN)
calll L_ffi_closure_SYSV_inner$stub
#else
movl %ebx, 8(%esp)
call 1f
@@ -970,6 +972,8 @@ USCORE_SYMBOL(ffi_closure_STDCALL):
movl %edx, (%esp) /* &resp */
#if defined(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE) || !defined(__PIC__)
call USCORE_SYMBOL(ffi_closure_SYSV_inner)
#elif defined(X86_DARWIN)
calll L_ffi_closure_SYSV_inner$stub
#else
movl %ebx, 8(%esp)
call 1f
@@ -1070,6 +1074,13 @@ USCORE_SYMBOL(ffi_closure_STDCALL):
.ffi_closure_STDCALL_end:
.LFE5:
#if defined(X86_DARWIN)
.section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5
L_ffi_closure_SYSV_inner$stub:
.indirect_symbol _ffi_closure_SYSV_inner
hlt ; hlt ; hlt ; hlt ; hlt
#endif
#if defined(X86_WIN32) && !defined(__OS2__)
.section .eh_frame,"w"
#endif