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valgrind: fix aarch64-setjmp.S

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Lucinda May Phipps 2021-08-27 03:03:07 +01:00 committed by GitHub
parent d1eec6a9a1
commit 133eee0e01
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1 changed files with 21 additions and 11 deletions
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32
packages/valgrind/aarch64-setjmp.S
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@ -26,8 +26,26 @@
* SUCH DAMAGE. * SUCH DAMAGE.
*/ */
#include <private/bionic_asm.h> // Copied and simplified macros from bionic_asm.h.
#include <private/bionic_constants.h>
#define ENTRY(f) \
.text; \
.globl f; \
.balign 16; \
.type f, %function; \
f: \
.cfi_startproc;; \
#define END(f) \
.cfi_endproc; \
.size f, .-f; \
// Size of the shadow call stack. This must be a power of 2.
#define SCS_SIZE (8 * 1024)
#define ALIAS_SYMBOL(alias, original) \
.globl alias; \
.equ alias, original; \
// According to AARCH64 PCS document we need to save the following // According to AARCH64 PCS document we need to save the following
// registers: // registers:
@ -35,7 +53,7 @@
// Core x19 - x30, sp (see section 5.1.1) // Core x19 - x30, sp (see section 5.1.1)
// VFP d8 - d15 (see section 5.1.2) // VFP d8 - d15 (see section 5.1.2)
// //
// NOTE: All the registers saved here will have 64 bit vales. // NOTE: All the registers saved here will have 64 bit values.
// AAPCS mandates that the higher part of q registers do not need to // AAPCS mandates that the higher part of q registers do not need to
// be saved by the callee. // be saved by the callee.
// //
@ -100,20 +118,17 @@
.endm .endm
ENTRY(setjmp) ENTRY(setjmp)
__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(setjmp)
mov w1, #1 mov w1, #1
b sigsetjmp b sigsetjmp
END(setjmp) END(setjmp)
ENTRY(_setjmp) ENTRY(_setjmp)
__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(_setjmp)
mov w1, #0 mov w1, #0
b sigsetjmp b sigsetjmp
END(_setjmp) END(_setjmp)
// int sigsetjmp(sigjmp_buf env, int save_signal_mask); // int sigsetjmp(sigjmp_buf env, int save_signal_mask);
ENTRY(sigsetjmp) ENTRY(sigsetjmp)
__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(sigsetjmp)
paciasp paciasp
.cfi_negate_ra_state .cfi_negate_ra_state
stp x0, x30, [sp, #-16]! stp x0, x30, [sp, #-16]!
@ -187,7 +202,6 @@ END(sigsetjmp)
// void siglongjmp(sigjmp_buf env, int value); // void siglongjmp(sigjmp_buf env, int value);
ENTRY(siglongjmp) ENTRY(siglongjmp)
__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(siglongjmp)
// Check the checksum before doing anything. // Check the checksum before doing anything.
m_calculate_checksum x12, x0, x2 m_calculate_checksum x12, x0, x2
ldr x2, [x0, #(_JB_CHECKSUM * 8)] ldr x2, [x0, #(_JB_CHECKSUM * 8)]
@ -293,8 +307,4 @@ __BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(siglongjmp)
END(siglongjmp) END(siglongjmp)
ALIAS_SYMBOL(longjmp, siglongjmp) ALIAS_SYMBOL(longjmp, siglongjmp)
__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(longjmp)
ALIAS_SYMBOL(_longjmp, siglongjmp) ALIAS_SYMBOL(_longjmp, siglongjmp)
__BIONIC_WEAK_ASM_FOR_NATIVE_BRIDGE(_longjmp)
NOTE_GNU_PROPERTY()