From 6adb7308669b8f8927093ec4145ed47e9a832bb0 Mon Sep 17 00:00:00 2001
From: Anthony Green <green@gcc.gnu.org>
Date: Thu, 29 Mar 2012 12:41:52 +0000
Subject: [PATCH] Restore trampled commits
From-SVN: r185955
---
libffi/ChangeLog | 28 ++++++++++++++++++++++++++++
libffi/src/sparc/v9.S | 2 +-
libffi/src/x86/ffi.c | 25 ++++++++++++++++++++-----
libffi/src/x86/win32.S | 30 +++++++++++++++++++++++++++++-
4 files changed, 78 insertions(+), 7 deletions(-)
diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 216a142d0c4f..6df2662df800 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -32,11 +32,28 @@
windows-like hosts.
* configure: Rebuilt.
+2012-02-27 Mikael Pettersson <mikpe@it.uu.se>
+
+ PR libffi/52223
+ * Makefile.am (FLAGS_TO_PASS): Define.
+ * Makefile.in: Regenerate.
+
2012-02-23 Anthony Green <green@moxielogic.com>
* src/*/ffitarget.h: Ensure that users never include ffitarget.h
directly.
+2012-02-23 Kai Tietz <ktietz@redhat.com>
+
+ PR libffi/52221
+ * src/x86/ffi.c (ffi_closure_raw_THISCALL): New
+ prototype.
+ (ffi_prep_raw_closure_loc): Use ffi_closure_raw_THISCALL for
+ thiscall-convention.
+ (ffi_raw_call): Use ffi_prep_args_raw.
+ * src/x86/win32.S (ffi_closure_raw_THISCALL): Add
+ implementation for stub.
+
2012-02-10 Kai Tietz <ktietz@redhat.com>
* configure.ac (AM_LTLDFLAGS): Add -no-undefine for x64
@@ -262,6 +279,10 @@
* src/sparc/ffi.c (ffi_prep_closure_loc): Don't ASSERT ABI test,
just return FFI_BAD_ABI when things are wrong.
+2012-02-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ * src/sparc/v9.S (STACKFRAME): Bump to 176.
+
2011-02-09 Stuart Shelton <srcshelton@gmail.com>
http://bugs.gentoo.org/show_bug.cgi?id=286911
@@ -790,6 +811,13 @@
* src/pa/ffi.c (ffi_closure_inner_pa32): Handle FFI_TYPE_LONGDOUBLE
type on HP-UX.
+2012-02-13 Kai Tietz <ktietz@redhat.com>
+
+ PR libffi/52221
+ * src/x86/ffi.c (ffi_prep_raw_closure_loc): Add thiscall
+ support for X86_WIN32.
+ (FFI_INIT_TRAMPOLINE_THISCALL): Fix displacement.
+
2009-12-11 Eric Botcazou <ebotcazou@adacore.com>
* src/sparc/ffi.c (ffi_closure_sparc_inner_v9): Properly align 'long
diff --git a/libffi/src/sparc/v9.S b/libffi/src/sparc/v9.S
index 489ff0293f2f..bf31a2b5110c 100644
--- a/libffi/src/sparc/v9.S
+++ b/libffi/src/sparc/v9.S
@@ -32,7 +32,7 @@
/* Only compile this in for 64bit builds, because otherwise the object file
will have inproper architecture due to used instructions. */
-#define STACKFRAME 128 /* Minimum stack framesize for SPARC */
+#define STACKFRAME 176 /* Minimum stack framesize for SPARC 64-bit */
#define STACK_BIAS 2047
#define ARGS (128) /* Offset of register area in frame */
diff --git a/libffi/src/x86/ffi.c b/libffi/src/x86/ffi.c
index 9343c2607289..f643b345cba8 100644
--- a/libffi/src/x86/ffi.c
+++ b/libffi/src/x86/ffi.c
@@ -426,6 +426,8 @@ unsigned int FFI_HIDDEN ffi_closure_SYSV_inner (ffi_closure *, void **, void *)
void FFI_HIDDEN ffi_closure_raw_SYSV (ffi_raw_closure *)
__attribute__ ((regparm(1)));
#ifdef X86_WIN32
+void FFI_HIDDEN ffi_closure_raw_THISCALL (ffi_raw_closure *)
+ __attribute__ ((regparm(1)));
void FFI_HIDDEN ffi_closure_STDCALL (ffi_closure *)
__attribute__ ((regparm(1)));
void FFI_HIDDEN ffi_closure_THISCALL (ffi_closure *)
@@ -593,7 +595,7 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
unsigned int __fun = (unsigned int)(FUN); \
unsigned int __ctx = (unsigned int)(CTX); \
- unsigned int __dis = __fun - (__ctx + 22); \
+ unsigned int __dis = __fun - (__ctx + 49); \
unsigned short __size = (unsigned short)(SIZE); \
*(unsigned int *) &__tramp[0] = 0x8324048b; /* mov (%esp), %eax */ \
*(unsigned int *) &__tramp[4] = 0x4c890cec; /* sub $12, %esp */ \
@@ -699,6 +701,9 @@ ffi_prep_raw_closure_loc (ffi_raw_closure* closure,
int i;
if (cif->abi != FFI_SYSV) {
+#ifdef X86_WIN32
+ if (cif->abi != FFI_THISCALL)
+#endif
return FFI_BAD_ABI;
}
@@ -713,10 +718,20 @@ ffi_prep_raw_closure_loc (ffi_raw_closure* closure,
FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
}
-
+#ifdef X86_WIN32
+ if (cif->abi == FFI_SYSV)
+ {
+#endif
FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
codeloc);
-
+#ifdef X86_WIN32
+ }
+ else if (cif->abi == FFI_THISCALL)
+ {
+ FFI_INIT_TRAMPOLINE_THISCALL (&closure->tramp[0], &ffi_closure_raw_THISCALL,
+ codeloc, cif->bytes);
+ }
+#endif
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
@@ -761,7 +776,7 @@ ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
#ifdef X86_WIN32
case FFI_SYSV:
case FFI_STDCALL:
- ffi_call_win32(ffi_prep_args, &ecif, cif->abi, cif->bytes, cif->flags,
+ ffi_call_win32(ffi_prep_args_raw, &ecif, cif->abi, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
case FFI_THISCALL:
@@ -789,7 +804,7 @@ ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
cif->abi = abi = FFI_THISCALL;
if (passed_regs < 1 && abi == FFI_THISCALL)
cif->abi = abi = FFI_STDCALL;
- ffi_call_win32(ffi_prep_args, &ecif, abi, cif->bytes, cif->flags,
+ ffi_call_win32(ffi_prep_args_raw, &ecif, abi, cif->bytes, cif->flags,
ecif.rvalue, fn);
}
break;
diff --git a/libffi/src/x86/win32.S b/libffi/src/x86/win32.S
index e5c93ecf7b95..deb4a0394d86 100644
--- a/libffi/src/x86/win32.S
+++ b/libffi/src/x86/win32.S
@@ -264,6 +264,18 @@ ffi_closure_SYSV ENDP
#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
#define CIF_FLAGS_OFFSET 20
+ffi_closure_raw_THISCALL PROC NEAR
+ push ebp
+ mov ebp, esp
+ push esi
+ sub esp, 36
+ mov esi, [eax + RAW_CLOSURE_CIF_OFFSET] ;; closure->cif
+ mov edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET] ;; closure->user_data
+ mov [esp + 12], edx
+ lea edx, [ebp + 12], edx
+ jmp stubraw
+ffi_closure_raw_SYSV ENDP
+
ffi_closure_raw_SYSV PROC NEAR USES esi
;; the ffi_closure ctx is passed in eax by the trampoline.
@@ -272,6 +284,7 @@ ffi_closure_raw_SYSV PROC NEAR USES esi
mov edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET] ;; closure->user_data
mov [esp + 12], edx ;; user_data
lea edx, [ebp + 8]
+stubraw:
mov [esp + 8], edx ;; raw_args
lea edx, [ebp - 24]
mov [esp + 4], edx ;; &res
@@ -722,7 +735,21 @@ _ffi_closure_SYSV:
#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
#define CIF_FLAGS_OFFSET 20
-
+ .balign 16
+ .globl _ffi_closure_raw_THISCALL
+#ifndef __OS2__
+ .def _ffi_closure_raw_THISCALL; .scl 2; .type 32; .endef
+#endif
+_ffi_closure_raw_THISCALL:
+ pushl %ebp
+ movl %esp, %ebp
+ pushl %esi
+ subl $36, %esp
+ movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
+ movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
+ movl %edx, 12(%esp) /* user_data */
+ leal 12(%ebp), %edx /* __builtin_dwarf_cfa () */
+ jmp .stubraw
# This assumes we are using gas.
.balign 16
.globl _ffi_closure_raw_SYSV
@@ -742,6 +769,7 @@ _ffi_closure_raw_SYSV:
movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
movl %edx, 12(%esp) /* user_data */
leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */
+.stubraw:
movl %edx, 8(%esp) /* raw_args */
leal -24(%ebp), %edx
movl %edx, 4(%esp) /* &res */
--
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