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fix mingw build and crashing bugs for Python Windows ARM64 (#496)

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* fix mingw build and crashing bugs for Python Windows ARM64

* Fix issues found in PR review
This commit is contained in:
Paul Monson
2019-08-07 14:57:45 -04:00
committed by Anthony Green
parent e0b4f84fb7
commit c2a6859012
9 changed files with 53 additions and 15 deletions
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src/aarch64/win64_armasm.S
+10 -8
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@@ -57,12 +57,14 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
x5 closure
*/
NESTED_ENTRY ffi_call_SYSV
/* Use a stack frame allocated by our caller. */
PROLOG_NOP stp x29, x30, [x1, #32]
/* For unwind information, Windows has to store fp and lr */
NESTED_ENTRY ffi_call_SYSV_fake
/* For unwind information, Windows has to store fp and lr */
PROLOG_SAVE_REG_PAIR x29, x30, #-32!
ALTERNATE_ENTRY ffi_call_SYSV
/* Use a stack frame allocated by our caller. */
stp x29, x30, [x1]
mov x29, x1
mov sp, x0
@@ -97,8 +99,8 @@ ffi_call_SYSV_L1
/* Partially deconstruct the stack frame. */
mov sp, x29
ldp x29, x30, [x29, #32]
ldp x29, x30, [x29]
/* Save the return value as directed. */
adr x5, ffi_call_SYSV_return
and w4, w4, #AARCH64_RET_MASK
@@ -177,7 +179,7 @@ ffi_call_SYSV_return
nop
NESTED_END ffi_call_SYSV
NESTED_END ffi_call_SYSV_fake
/* ffi_closure_SYSV