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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)

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* 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>
This commit is contained in:
Jeremy Huddleston Sequoia
2019-02-19 07:11:28 -05:00
committed by Anthony Green
parent 3ec522bc1c
commit 05a1796419
11 changed files with 44 additions and 22 deletions
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src/x86/win64.S
+5
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@@ -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 @@ E(0b, FFI_TYPE_SMALL_STRUCT_4B)
.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 @@ C(ffi_go_closure_win64):
.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 @@ C(ffi_closure_win64):
cfi_endproc
SEH(.seh_endproc)
#endif /* __x86_64__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits