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diff --git a/src/x86/sysv_intel.S b/src/x86/sysv_intel.S
index 3cafd71..c47d4dd 100644
--- a/src/x86/sysv_intel.S
+++ b/src/x86/sysv_intel.S
@@ -1,9 +1,9 @@
/* -----------------------------------------------------------------------
- sysv.S - Copyright (c) 2017 Anthony Green
+ sysv.S - Copyright (c) 2017, 2022 Anthony Green
- Copyright (c) 2013 The Written Word, Inc.
- Copyright (c) 1996,1998,2001-2003,2005,2008,2010 Red Hat, Inc.
-
- X86 Foreign Function Interface
+
+ X86 Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@@ -29,11 +29,11 @@
#ifndef __x86_64__
#ifdef _MSC_VER
-#define LIBFFI_ASM
+#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_cfi.h>
-#include "internal.h"
+#include "internal.h"
#define C2(X, Y) X ## Y
#define C1(X, Y) C2(X, Y)
@@ -89,8 +89,8 @@ L(UW0):
perspective of the unwind info, it hasn't moved. */
mov ebp, ecx
L(UW1):
- // cfi_def_cfa(%ebp, 8)
- // cfi_rel_offset(%ebp, 0)
+ /* cfi_def_cfa(%ebp, 8) */
+ /* cfi_rel_offset(%ebp, 0) */
mov esp, edx /* set outgoing argument stack */
mov eax, [20+R_EAX*4+ebp] /* set register arguments */
@@ -102,7 +102,7 @@ L(UW1):
mov ecx, [12+ebp] /* load return type code */
mov [ebp+8], ebx /* preserve %ebx */
L(UW2):
- // cfi_rel_offset(%ebx, 8)
+ /* cfi_rel_offset(%ebx, 8) */
and ecx, X86_RET_TYPE_MASK
lea ebx, [L(store_table) + ecx * 8]
@@ -148,13 +148,13 @@ L(e1):
mov esp, ebp
pop ebp
L(UW3):
- // cfi_remember_state
- // cfi_def_cfa(%esp, 4)
- // cfi_restore(%ebx)
- // cfi_restore(%ebp)
+ /* cfi_remember_state */
+ /* cfi_def_cfa(%esp, 4) */
+ /* cfi_restore(%ebx) */
+ /* cfi_restore(%ebp) */
ret
L(UW4):
- // cfi_restore_state
+ /* cfi_restore_state */
E(L(store_table), X86_RET_STRUCTPOP)
jmp L(e1)
@@ -174,7 +174,7 @@ E(L(store_table), X86_RET_UNUSED15)
int 3
L(UW5):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(@ffi_call_i386@8)
/* The inner helper is declared as
@@ -242,10 +242,10 @@ ALIGN 16
PUBLIC ffi_go_closure_EAX
ffi_go_closure_EAX PROC C
L(UW6):
- // cfi_startproc
+ /* cfi_startproc */
sub esp, closure_FS
L(UW7):
- // cfi_def_cfa_offset(closure_FS + 4)
+ /* cfi_def_cfa_offset(closure_FS + 4) */
FFI_CLOSURE_SAVE_REGS
mov edx, [eax+4] /* copy cif */
mov ecx, [eax +8] /* copy fun */
@@ -254,17 +254,17 @@ L(UW7):
mov [esp+closure_CF+36], eax /* closure is user_data */
jmp L(do_closure_i386)
L(UW8):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_go_closure_EAX)
ALIGN 16
PUBLIC ffi_go_closure_ECX
ffi_go_closure_ECX PROC C
L(UW9):
- // cfi_startproc
+ /* cfi_startproc */
sub esp, closure_FS
L(UW10):
- // cfi_def_cfa_offset(closure_FS + 4)
+ /* cfi_def_cfa_offset(closure_FS + 4) */
FFI_CLOSURE_SAVE_REGS
mov edx, [ecx+4] /* copy cif */
mov eax, [ecx+8] /* copy fun */
@@ -273,7 +273,7 @@ L(UW10):
mov [esp+closure_CF+36], ecx /* closure is user_data */
jmp L(do_closure_i386)
L(UW11):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_go_closure_ECX)
/* The closure entry points are reached from the ffi_closure trampoline.
@@ -283,10 +283,10 @@ ALIGN 16
PUBLIC ffi_closure_i386
ffi_closure_i386 PROC C
L(UW12):
- // cfi_startproc
+ /* cfi_startproc */
sub esp, closure_FS
L(UW13):
- // cfi_def_cfa_offset(closure_FS + 4)
+ /* cfi_def_cfa_offset(closure_FS + 4) */
FFI_CLOSURE_SAVE_REGS
FFI_CLOSURE_COPY_TRAMP_DATA
@@ -331,17 +331,17 @@ E(L(load_table2), X86_RET_VOID)
L(e2):
add esp, closure_FS
L(UW16):
- // cfi_adjust_cfa_offset(-closure_FS)
+ /* cfi_adjust_cfa_offset(-closure_FS) */
ret
L(UW17):
- // cfi_adjust_cfa_offset(closure_FS)
+ /* cfi_adjust_cfa_offset(closure_FS) */
E(L(load_table2), X86_RET_STRUCTPOP)
add esp, closure_FS
L(UW18):
- // cfi_adjust_cfa_offset(-closure_FS)
+ /* cfi_adjust_cfa_offset(-closure_FS) */
ret 4
L(UW19):
- // cfi_adjust_cfa_offset(closure_FS)
+ /* cfi_adjust_cfa_offset(closure_FS) */
E(L(load_table2), X86_RET_STRUCTARG)
jmp L(e2)
E(L(load_table2), X86_RET_STRUCT_1B)
@@ -358,17 +358,17 @@ E(L(load_table2), X86_RET_UNUSED15)
int 3
L(UW20):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_closure_i386)
ALIGN 16
PUBLIC ffi_go_closure_STDCALL
ffi_go_closure_STDCALL PROC C
L(UW21):
- // cfi_startproc
+ /* cfi_startproc */
sub esp, closure_FS
L(UW22):
- // cfi_def_cfa_offset(closure_FS + 4)
+ /* cfi_def_cfa_offset(closure_FS + 4) */
FFI_CLOSURE_SAVE_REGS
mov edx, [ecx+4] /* copy cif */
mov eax, [ecx+8] /* copy fun */
@@ -377,7 +377,7 @@ L(UW22):
mov [esp+closure_CF+36], ecx /* closure is user_data */
jmp L(do_closure_STDCALL)
L(UW23):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_go_closure_STDCALL)
/* For REGISTER, we have no available parameter registers, and so we
@@ -387,19 +387,19 @@ ALIGN 16
PUBLIC ffi_closure_REGISTER
ffi_closure_REGISTER PROC C
L(UW24):
- // cfi_startproc
- // cfi_def_cfa(%esp, 8)
- // cfi_offset(%eip, -8)
+ /* cfi_startproc */
+ /* cfi_def_cfa(%esp, 8) */
+ /* cfi_offset(%eip, -8) */
sub esp, closure_FS-4
L(UW25):
- // cfi_def_cfa_offset(closure_FS + 4)
+ /* cfi_def_cfa_offset(closure_FS + 4) */
FFI_CLOSURE_SAVE_REGS
mov ecx, [esp+closure_FS-4] /* load retaddr */
mov eax, [esp+closure_FS] /* load closure */
mov [esp+closure_FS], ecx /* move retaddr */
jmp L(do_closure_REGISTER)
L(UW26):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_closure_REGISTER)
/* For STDCALL (and others), we need to pop N bytes of arguments off
@@ -410,10 +410,10 @@ ALIGN 16
PUBLIC ffi_closure_STDCALL
ffi_closure_STDCALL PROC C
L(UW27):
- // cfi_startproc
+ /* cfi_startproc */
sub esp, closure_FS
L(UW28):
- // cfi_def_cfa_offset(closure_FS + 4)
+ /* cfi_def_cfa_offset(closure_FS + 4) */
FFI_CLOSURE_SAVE_REGS
@@ -504,7 +504,7 @@ E(L(load_table3), X86_RET_UNUSED15)
int 3
L(UW31):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_closure_STDCALL)
#if !FFI_NO_RAW_API
@@ -515,13 +515,13 @@ ALIGN 16
PUBLIC ffi_closure_raw_SYSV
ffi_closure_raw_SYSV PROC C
L(UW32):
- // cfi_startproc
+ /* cfi_startproc */
sub esp, raw_closure_S_FS
L(UW33):
- // cfi_def_cfa_offset(raw_closure_S_FS + 4)
+ /* cfi_def_cfa_offset(raw_closure_S_FS + 4) */
mov [esp+raw_closure_S_FS-4], ebx
L(UW34):
- // cfi_rel_offset(%ebx, raw_closure_S_FS-4)
+ /* cfi_rel_offset(%ebx, raw_closure_S_FS-4) */
mov edx, [eax+FFI_TRAMPOLINE_SIZE+8] /* load cl->user_data */
mov [esp+12], edx
@@ -535,16 +535,16 @@ L(UW34):
mov eax, [ebx+20] /* load cif->flags */
and eax, X86_RET_TYPE_MASK
-// #ifdef __PIC__
-// call __x86.get_pc_thunk.bx
-// L(pc4):
-// lea ecx, L(load_table4)-L(pc4)(%ebx, %eax, 8), %ecx
-// #else
+/* #ifdef __PIC__ */
+/* call __x86.get_pc_thunk.bx */
+/* L(pc4): */
+/* lea ecx, L(load_table4)-L(pc4)(%ebx, %eax, 8), %ecx */
+/* #else */
lea ecx, [L(load_table4)+eax+8]
-// #endif
+/* #endif */
mov ebx, [esp+raw_closure_S_FS-4]
L(UW35):
- // cfi_restore(%ebx)
+ /* cfi_restore(%ebx) */
mov eax, [esp+16] /* Optimistic load */
jmp dword ptr [ecx]
@@ -581,17 +581,17 @@ E(L(load_table4), X86_RET_VOID)
L(e4):
add esp, raw_closure_S_FS
L(UW36):
- // cfi_adjust_cfa_offset(-raw_closure_S_FS)
+ /* cfi_adjust_cfa_offset(-raw_closure_S_FS) */
ret
L(UW37):
- // cfi_adjust_cfa_offset(raw_closure_S_FS)
+ /* cfi_adjust_cfa_offset(raw_closure_S_FS) */
E(L(load_table4), X86_RET_STRUCTPOP)
add esp, raw_closure_S_FS
L(UW38):
- // cfi_adjust_cfa_offset(-raw_closure_S_FS)
+ /* cfi_adjust_cfa_offset(-raw_closure_S_FS) */
ret 4
L(UW39):
- // cfi_adjust_cfa_offset(raw_closure_S_FS)
+ /* cfi_adjust_cfa_offset(raw_closure_S_FS) */
E(L(load_table4), X86_RET_STRUCTARG)
jmp L(e4)
E(L(load_table4), X86_RET_STRUCT_1B)
@@ -608,7 +608,7 @@ E(L(load_table4), X86_RET_UNUSED15)
int 3
L(UW40):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_closure_raw_SYSV)
#define raw_closure_T_FS (16+16+8)
@@ -617,26 +617,26 @@ ALIGN 16
PUBLIC ffi_closure_raw_THISCALL
ffi_closure_raw_THISCALL PROC C
L(UW41):
- // cfi_startproc
+ /* cfi_startproc */
/* Rearrange the stack such that %ecx is the first argument.
This means moving the return address. */
pop edx
L(UW42):
- // cfi_def_cfa_offset(0)
- // cfi_register(%eip, %edx)
+ /* cfi_def_cfa_offset(0) */
+ /* cfi_register(%eip, %edx) */
push ecx
L(UW43):
- // cfi_adjust_cfa_offset(4)
+ /* cfi_adjust_cfa_offset(4) */
push edx
L(UW44):
- // cfi_adjust_cfa_offset(4)
- // cfi_rel_offset(%eip, 0)
+ /* cfi_adjust_cfa_offset(4) */
+ /* cfi_rel_offset(%eip, 0) */
sub esp, raw_closure_T_FS
L(UW45):
- // cfi_adjust_cfa_offset(raw_closure_T_FS)
+ /* cfi_adjust_cfa_offset(raw_closure_T_FS) */
mov [esp+raw_closure_T_FS-4], ebx
L(UW46):
- // cfi_rel_offset(%ebx, raw_closure_T_FS-4)
+ /* cfi_rel_offset(%ebx, raw_closure_T_FS-4) */
mov edx, [eax+FFI_TRAMPOLINE_SIZE+8] /* load cl->user_data */
mov [esp+12], edx
@@ -650,16 +650,16 @@ L(UW46):
mov eax, [ebx+20] /* load cif->flags */
and eax, X86_RET_TYPE_MASK
-// #ifdef __PIC__
-// call __x86.get_pc_thunk.bx
-// L(pc5):
-// leal L(load_table5)-L(pc5)(%ebx, %eax, 8), %ecx
-// #else
+/* #ifdef __PIC__ */
+/* call __x86.get_pc_thunk.bx */
+/* L(pc5): */
+/* leal L(load_table5)-L(pc5)(%ebx, %eax, 8), %ecx */
+/* #else */
lea ecx, [L(load_table5)+eax*8]
-//#endif
+/*#endif */
mov ebx, [esp+raw_closure_T_FS-4]
L(UW47):
- // cfi_restore(%ebx)
+ /* cfi_restore(%ebx) */
mov eax, [esp+16] /* Optimistic load */
jmp DWORD PTR [ecx]
@@ -696,18 +696,18 @@ E(L(load_table5), X86_RET_VOID)
L(e5):
add esp, raw_closure_T_FS
L(UW48):
- // cfi_adjust_cfa_offset(-raw_closure_T_FS)
+ /* cfi_adjust_cfa_offset(-raw_closure_T_FS) */
/* Remove the extra %ecx argument we pushed. */
ret 4
L(UW49):
- // cfi_adjust_cfa_offset(raw_closure_T_FS)
+ /* cfi_adjust_cfa_offset(raw_closure_T_FS) */
E(L(load_table5), X86_RET_STRUCTPOP)
add esp, raw_closure_T_FS
L(UW50):
- // cfi_adjust_cfa_offset(-raw_closure_T_FS)
+ /* cfi_adjust_cfa_offset(-raw_closure_T_FS) */
ret 8
L(UW51):
- // cfi_adjust_cfa_offset(raw_closure_T_FS)
+ /* cfi_adjust_cfa_offset(raw_closure_T_FS) */
E(L(load_table5), X86_RET_STRUCTARG)
jmp L(e5)
E(L(load_table5), X86_RET_STRUCT_1B)
@@ -724,7 +724,7 @@ E(L(load_table5), X86_RET_UNUSED15)
int 3
L(UW52):
- // cfi_endproc
+ /* cfi_endproc */
ENDF(ffi_closure_raw_THISCALL)
#endif /* !FFI_NO_RAW_API */
@@ -743,20 +743,20 @@ ENDF(ffi_closure_raw_THISCALL)
# define COMDAT(X)
#endif
-// #if defined(__PIC__)
-// COMDAT(C(__x86.get_pc_thunk.bx))
-// C(__x86.get_pc_thunk.bx):
-// movl (%esp), %ebx
-// ret
-// ENDF(C(__x86.get_pc_thunk.bx))
-// # if defined X86_DARWIN || defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
-// COMDAT(C(__x86.get_pc_thunk.dx))
-// C(__x86.get_pc_thunk.dx):
-// movl (%esp), %edx
-// ret
-// ENDF(C(__x86.get_pc_thunk.dx))
-// #endif /* DARWIN || HIDDEN */
-// #endif /* __PIC__ */
+/* #if defined(__PIC__) */
+/* COMDAT(C(__x86.get_pc_thunk.bx)) */
+/* C(__x86.get_pc_thunk.bx): */
+/* movl (%esp), %ebx */
+/* ret */
+/* ENDF(C(__x86.get_pc_thunk.bx)) */
+/* # if defined X86_DARWIN || defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE */
+/* COMDAT(C(__x86.get_pc_thunk.dx)) */
+/* C(__x86.get_pc_thunk.dx): */
+/* movl (%esp), %edx */
+/* ret */
+/* ENDF(C(__x86.get_pc_thunk.dx)) */
+/* #endif /* DARWIN || HIDDEN */ */
+/* #endif /* __PIC__ */ */
#if 0
/* Sadly, OSX cctools-as doesn't understand .cfi directives at all. */
@@ -992,4 +992,4 @@ L(EFDE9):
#endif
#endif
-END
\ No newline at end of file
+END