1 files changed, 113 insertions, 0 deletions
diff --git a/lib/darwin/inject-asm-raw.S b/lib/darwin/inject-asm-raw.S
new file mode 100644
index 0000000..a8980c3
--- /dev/null
+++ b/lib/darwin/inject-asm-raw.S
@@ -0,0 +1,113 @@
+.text
+.align 2
+/* sp -> {pthread_create, dlopen, dylib} */
+#if defined(__x86_64__)
+    lea -8(%rsp), %rdi /* thread */
+    xor %rsi, %rsi /* attr */
+	lea thread_func(%rip), %rdx /* start_routine */
+	mov %rsp, %rcx /* arg */
+    mov %rdi, %rsp
+    call *(%rcx)
+/* suicide */
+    mov $361, %rax /* bsdthread_terminate */
+    xor %rdi, %rdi /* stackaddr */
+    xor %rsi, %rsi /* freesize */
+    xor %rdx, %rdx /* port */
+    xor %rcx, %rcx /* sem */
+    syscall
+/* still here? */
+    mov $0xbad, %rax
+    jmp *%rax
+
+thread_func:
+    mov 0x8(%rdi), %rax /* dlopen */
+    mov 0x10(%rdi), %rdi /* dylib */
+    xor %rsi, %rsi
+    jmp *%rax
+
+#elif defined(__i386__)
+
+    mov %esp, %ecx
+    push %ecx /* arg */
+    call 1f
+1:
+    pop %eax
+    add $(thread_func - 1b), %eax
+    push %eax /* start_routine */
+    xor %eax, %eax
+    push %eax /* attr */
+    push %esp /* thread */
+    call *(%ecx)
+/* suicide */
+    mov $361, %eax /* bsdthread_terminate */
+    xor %edx, %edx
+    push %edx /* sem */
+    push %edx /* port */
+    push %edx /* freesize */
+    push %edx /* stackaddr */
+    syscall
+/* still here? */
+    mov $0xbad, %eax
+    jmp *%eax
+
+thread_func:
+    xor %edx, %edx
+    push %edx
+    mov 0x4(%esp), %ecx /* arg */
+    mov 0x8(%ecx), %edx /* dylib */
+    push %edx
+    mov 0x4(%ecx), %edx /* dlopen */
+    push %edx
+    call *%eax
+    add $8, %esp
+    ret
+
+#elif defined(__arm__)
+
+    sub sp, #4
+    mov r0, sp
+    mov r1, #0
+    adr r2, thread_func
+    add r3, sp, #4
+    ldr r9, [r3]
+    blx r9
+/* suicide */
+    mov r0, #0
+    mov r1, #0
+    mov r2, #0
+    mov r3, #0
+    mov r12, #361
+    svc #0x80
+/* still here? */
+    mov r0, #0xbad
+    bx r0
+thread_func:
+    ldr r2, [r0]
+    ldr r0, [r0, #4]
+    mov r1, #0
+    bx r2
+
+#elif defined(__arm64__)
+    sub sp, sp, #8
+    mov x0, sp
+    mov x1, #0
+    adr x2, 1f
+    add x3, sp, #4
+    ldr x9, [x3]
+    blr x9
+/* suicide */
+    mov x0, #0
+    mov x1, #0
+    mov x2, #0
+    mov x3, #0
+    mov x12, #361 /* ??? */
+    svc #0x80
+/* still here? */
+    mov x0, #0xbad
+    br x0
+1:
+    ldr x2, [x0]
+    ldr x0, [x0, #8]
+    mov x1, #0
+    br x2
+#endif