Enable linux-arm platform.

1 files changed, 52 insertions, 0 deletions

diff --git a/util/system/context_aarch64.S b/util/system/context_aarch64.S
new file mode 100644
index 0000000000..0b2ef4e4a6
--- /dev/null
+++ b/util/system/context_aarch64.S
@@ -0,0 +1,52 @@
+.p2align 2
+#if !(defined __darwin__) && !(defined __arm64__)
+.global __mysetjmp
+.type __mysetjmp,@function
+__mysetjmp:
+#else
+.global ___mysetjmp
+___mysetjmp:
+#endif
+    // IHI0055B_aapcs64.pdf 5.1.1, 5.1.2 callee saved registers
+    stp x19, x20, [x0,#0]
+    stp x21, x22, [x0,#16]
+    stp x23, x24, [x0,#32]
+    stp x25, x26, [x0,#48]
+    stp x27, x28, [x0,#64]
+    stp x29, x30, [x0,#80]
+    mov x2, sp
+    str x2, [x0,#104]
+    stp  d8,  d9, [x0,#112]
+    stp d10, d11, [x0,#128]
+    stp d12, d13, [x0,#144]
+    stp d14, d15, [x0,#160]
+    mov x0, #0
+    ret
+
+.p2align 2
+#if !(defined __darwin__) && !(defined __arm64__)
+.global __mylongjmp
+.type __mylongjump,@function
+__mylongjmp:
+#else
+.global ___mylongjmp
+___mylongjmp:
+#endif
+    // IHI0055B_aapcs64.pdf 5.1.1, 5.1.2 callee saved registers
+    ldp x19, x20, [x0,#0]
+    ldp x21, x22, [x0,#16]
+    ldp x23, x24, [x0,#32]
+    ldp x25, x26, [x0,#48]
+    ldp x27, x28, [x0,#64]
+    ldp x29, x30, [x0,#80]
+    ldr x2, [x0,#104]
+    mov sp, x2
+    ldp d8 , d9, [x0,#112]
+    ldp d10, d11, [x0,#128]
+    ldp d12, d13, [x0,#144]
+    ldp d14, d15, [x0,#160]
+
+    mov x0, x1
+    cbnz x1, 1f
+    mov x0, #1
+1:    br x30