From 24eddaa8240137328a0522eccf741e7868a2ee58 Mon Sep 17 00:00:00 2001
From: comex
Date: Tue, 24 Feb 2015 20:39:14 -0500
Subject: fix arm64/armv7 ish

---
 lib/darwin/execmem.c        | 4 ++--
 lib/darwin/manual-syscall.h | 9 ++++++++-
 2 files changed, 10 insertions(+), 3 deletions(-)

(limited to 'lib/darwin')

diff --git a/lib/darwin/execmem.c b/lib/darwin/execmem.c
index 0155b1f..b142aff 100644
--- a/lib/darwin/execmem.c
+++ b/lib/darwin/execmem.c
@@ -115,7 +115,7 @@ static bool apply_one_pcp_with_state(native_thread_state *state,
     uintptr_t old = *pcp;
 #ifdef __arm__
     /* thumb */
-    if (state.cpsr & 0x20)
+    if (state->__cpsr & 0x20)
         old |= 1;
 #endif
     uintptr_t new = callback(ctx, *pcp);
@@ -123,7 +123,7 @@ static bool apply_one_pcp_with_state(native_thread_state *state,
     *pcp = new;
 #ifdef __arm__
     *pcp &= ~1;
-    state.cpsr = (state.cpsr & ~0x20) | ((new & 1) * 0x20);
+    state->__cpsr = (state->__cpsr & ~0x20) | ((new & 1) * 0x20);
 #endif
     return changed;
 }
diff --git a/lib/darwin/manual-syscall.h b/lib/darwin/manual-syscall.h
index 88ac179..f16ec54 100644
--- a/lib/darwin/manual-syscall.h
+++ b/lib/darwin/manual-syscall.h
@@ -3,10 +3,12 @@
 #define GEN_SYSCALL(name, num) \
     __asm__(".globl _manual_" #name "\n" \
             ".pushsection __TEXT,__text,regular,pure_instructions\n" \
+            GEN_SYSCALL_PRE(name) \
             "_manual_" #name ":\n" \
             ".set num, " #num "\n" \
             GEN_SYSCALL_INNER() \
             ".popsection\n")
+#define GEN_SYSCALL_PRE(name)
 
 #if defined(__x86_64__)
 /* Look at me, I'm different! */
@@ -30,13 +32,18 @@
     "sysenter\n" \
     "1: ret\n"
 #elif defined(__arm__)
+#ifdef __thumb__
+#undef GEN_SYSCALL_PRE
+#define GEN_SYSCALL_PRE(name) \
+    ".thumb_func _manual_" #name "\n"
+#endif
 #define GEN_SYSCALL_INNER() \
     "mov r12, #num\n" \
     "svc #0x80\n" \
     "bx lr\n"
 #elif defined(__arm64__)
 #define GEN_SYSCALL_INNER() \
-    "mov x12, #num\n" \
+    "mov x16, #num\n" \
     "svc #0x80\n" \
     "ret\n"
 #else
-- 
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