Cleanup symbol exports on darwin and add architecture preprocessor checks to assist in building fat binaries (eg: i386+x86_64 on macOS or arm+aarch64 on iOS) (#450)
* x86: Ensure _efi64 suffixed symbols are not exported
* x86: Ensure we do not export ffi_prep_cif_machdep
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* x86: Ensure we don't export ffi_call_win64, ffi_closure_win64, or ffi_go_closure_win64
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* closures: Silence a semantic warning
libffi/src/closures.c:175:23: This function declaration is not a prototype
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* aarch64: Ensure we don't export ffi_prep_cif_machdep
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* arm: Ensure we don't export ffi_prep_cif_machdep
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* aarch64, arm, x86: Add architecture preprocessor checks to support easier fat builds (eg: iOS)
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* x86: Silence some static analysis warnings
libffi/src/x86/ffi64.c:286:21: The left operand of '!=' is a garbage value due to array index out of bounds
libffi/src/x86/ffi64.c:297:22: The left operand of '!=' is a garbage value due to array index out of bounds
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* aarch: Use FFI_HIDDEN rather than .hidden
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* ffi.h: Don't advertise ffi_java_rvalue_to_raw, ffi_prep_java_raw_closure, and ffi_prep_java_raw_closure_loc when FFI_NATIVE_RAW_API is 0
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
diff --git a/include/ffi.h.in b/include/ffi.h.in
index 39cde46..f6b4024 100644
--- a/include/ffi.h.in
+++ b/include/ffi.h.in
@@ -283,11 +283,13 @@
packing, even on 64-bit machines. I.e. on 64-bit machines longs
and doubles are followed by an empty 64-bit word. */
+#if !FFI_NATIVE_RAW_API
FFI_API
void ffi_java_raw_call (ffi_cif *cif,
void (*fn)(void),
void *rvalue,
ffi_java_raw *avalue);
+#endif
FFI_API
void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw);
@@ -414,6 +416,7 @@
void *user_data,
void *codeloc);
+#if !FFI_NATIVE_RAW_API
FFI_API ffi_status
ffi_prep_java_raw_closure (ffi_java_raw_closure*,
ffi_cif *cif,
@@ -426,6 +429,7 @@
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data,
void *codeloc);
+#endif
#endif /* FFI_CLOSURES */
diff --git a/src/arm/ffi.c b/src/arm/ffi.c
index d838271..66a67bd 100644
--- a/src/arm/ffi.c
+++ b/src/arm/ffi.c
@@ -28,6 +28,7 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
+#ifdef __arm__
#include <fficonfig.h>
#include <ffi.h>
#include <ffi_common.h>
@@ -210,7 +211,7 @@
}
/* Perform machine dependent cif processing */
-ffi_status
+ffi_status FFI_HIDDEN
ffi_prep_cif_machdep (ffi_cif *cif)
{
int flags = 0, cabi = cif->abi;
@@ -301,7 +302,7 @@
}
/* Perform machine dependent cif processing for variadic calls */
-ffi_status
+ffi_status FFI_HIDDEN
ffi_prep_cif_machdep_var (ffi_cif * cif,
unsigned int nfixedargs, unsigned int ntotalargs)
{
@@ -817,3 +818,5 @@
break;
}
}
+
+#endif /* __arm__ */
diff --git a/src/arm/sysv.S b/src/arm/sysv.S
index 7bda640..63180a4 100644
--- a/src/arm/sysv.S
+++ b/src/arm/sysv.S
@@ -25,6 +25,7 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
+#ifdef __arm__
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
@@ -377,6 +378,7 @@
ARM_FUNC_END(ffi_arm_trampoline)
#endif /* FFI_EXEC_TRAMPOLINE_TABLE */
+#endif /* __arm__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",%progbits
diff --git a/src/closures.c b/src/closures.c
index e9e058e..4d7f945 100644
--- a/src/closures.c
+++ b/src/closures.c
@@ -172,7 +172,7 @@
struct ffi_trampoline_table_entry
{
- void *(*trampoline) ();
+ void *(*trampoline) (void);
ffi_trampoline_table_entry *next;
};
diff --git a/src/x86/ffi.c b/src/x86/ffi.c
index fc21c4b..c6c7d2b 100644
--- a/src/x86/ffi.c
+++ b/src/x86/ffi.c
@@ -29,7 +29,7 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
-#ifndef __x86_64__
+#ifdef __i386__
#include <ffi.h>
#include <ffi_common.h>
#include <stdint.h>
@@ -756,4 +756,4 @@
ffi_call_i386 (frame, stack);
}
#endif /* !FFI_NO_RAW_API */
-#endif /* !__x86_64__ */
+#endif /* __i386__ */
diff --git a/src/x86/ffi64.c b/src/x86/ffi64.c
index 41d6acd..4d53b53 100644
--- a/src/x86/ffi64.c
+++ b/src/x86/ffi64.c
@@ -282,7 +282,7 @@
/* The X86_64_SSEUP_CLASS should be always preceded by
X86_64_SSE_CLASS or X86_64_SSEUP_CLASS. */
- if (classes[i] == X86_64_SSEUP_CLASS
+ if (i > 1 && classes[i] == X86_64_SSEUP_CLASS
&& classes[i - 1] != X86_64_SSE_CLASS
&& classes[i - 1] != X86_64_SSEUP_CLASS)
{
@@ -293,7 +293,7 @@
/* If X86_64_X87UP_CLASS isn't preceded by X86_64_X87_CLASS,
everything should be passed in memory. */
- if (classes[i] == X86_64_X87UP_CLASS
+ if (i > 1 && classes[i] == X86_64_X87UP_CLASS
&& (classes[i - 1] != X86_64_X87_CLASS))
{
/* The first one should never be X86_64_X87UP_CLASS. */
@@ -394,7 +394,7 @@
ffi_prep_cif_machdep_efi64(ffi_cif *cif);
#endif
-ffi_status
+ffi_status FFI_HIDDEN
ffi_prep_cif_machdep (ffi_cif *cif)
{
int gprcount, ssecount, i, avn, ngpr, nsse;
diff --git a/src/x86/ffiw64.c b/src/x86/ffiw64.c
index f787525..ca4d3ca 100644
--- a/src/x86/ffiw64.c
+++ b/src/x86/ffiw64.c
@@ -25,6 +25,7 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
+#ifdef __x86_64__
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
@@ -33,7 +34,7 @@
#ifdef X86_WIN64
#define EFI64(name) name
#else
-#define EFI64(name) name##_efi64
+#define EFI64(name) FFI_HIDDEN name##_efi64
#endif
struct win64_call_frame
@@ -48,7 +49,7 @@
extern void ffi_call_win64 (void *stack, struct win64_call_frame *,
void *closure) FFI_HIDDEN;
-ffi_status
+ffi_status FFI_HIDDEN
EFI64(ffi_prep_cif_machdep)(ffi_cif *cif)
{
int flags, n;
@@ -306,3 +307,5 @@
fun (cif, rvalue, avalue, user_data);
return flags;
}
+
+#endif /* __x86_64__ */
diff --git a/src/x86/sysv.S b/src/x86/sysv.S
index 3e462c1..7c9598c 100644
--- a/src/x86/sysv.S
+++ b/src/x86/sysv.S
@@ -26,7 +26,7 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
-#ifndef __x86_64__
+#ifdef __i386__
#ifndef _MSC_VER
#define LIBFFI_ASM
@@ -1122,7 +1122,7 @@
#endif /* __APPLE__ */
#endif /* ifndef _MSC_VER */
-#endif /* ifndef __x86_64__ */
+#endif /* ifdef __i386__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
diff --git a/src/x86/win64.S b/src/x86/win64.S
index 10991b4..2c334c8 100644
--- a/src/x86/win64.S
+++ b/src/x86/win64.S
@@ -1,3 +1,4 @@
+#ifdef __x86_64__
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
@@ -42,6 +43,7 @@
.align 8
.globl C(ffi_call_win64)
+ FFI_HIDDEN(C(ffi_call_win64))
SEH(.seh_proc ffi_call_win64)
C(ffi_call_win64):
@@ -169,6 +171,7 @@
.align 8
.globl C(ffi_go_closure_win64)
+ FFI_HIDDEN(C(ffi_go_closure_win64))
SEH(.seh_proc ffi_go_closure_win64)
C(ffi_go_closure_win64):
@@ -188,6 +191,7 @@
.align 8
.globl C(ffi_closure_win64)
+ FFI_HIDDEN(C(ffi_closure_win64))
SEH(.seh_proc ffi_closure_win64)
C(ffi_closure_win64):
@@ -226,6 +230,7 @@
cfi_endproc
SEH(.seh_endproc)
+#endif /* __x86_64__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits