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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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include/ffi.h.in
+4
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@@ -283,11 +283,13 @@ FFI_API size_t ffi_raw_size (ffi_cif *cif);
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 @@ ffi_prep_raw_closure_loc (ffi_raw_closure*,
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 @@ ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
void *user_data,
void *codeloc);
#endif
#endif /* FFI_CLOSURES */