From: Kruti Pendharkar <kp025370@broadcom.com>
Date: Tue, 24 Jun 2025 16:26:22 +0000 (-0700)
Subject: Change to common header files not applicable to open-vm-tools.
X-Git-Tag: stable-13.1.0~160
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7baaae353cc8d7960da3660486c4de237729f430;p=thirdparty%2Fopen-vm-tools.git

Change to common header files not applicable to open-vm-tools.
---

diff --git a/open-vm-tools/lib/include/vm_basic_asm.h b/open-vm-tools/lib/include/vm_basic_asm.h
index 24d7006b2..c45511705 100644
--- a/open-vm-tools/lib/include/vm_basic_asm.h
+++ b/open-vm-tools/lib/include/vm_basic_asm.h
@@ -805,7 +805,7 @@ RDTSC(void)
 #ifdef VM_ARM_32
 #define DEBUGBREAK() __asm__("bkpt")
 #elif defined(VM_ARM_64)
-#define DEBUGBREAK() __asm__("brk #0")
+#define DEBUGBREAK() BRK(0)
 #elif defined(_MSC_VER)
 #define DEBUGBREAK() __debugbreak()
 #else
diff --git a/open-vm-tools/lib/include/vm_basic_asm_arm64.h b/open-vm-tools/lib/include/vm_basic_asm_arm64.h
index e08bfc2cd..1a28d6d89 100644
--- a/open-vm-tools/lib/include/vm_basic_asm_arm64.h
+++ b/open-vm-tools/lib/include/vm_basic_asm_arm64.h
@@ -376,6 +376,38 @@ GET_CURRENT_PC(void)
 #endif // ifdef __GNUC__
 
 
+/*
+ *----------------------------------------------------------------------
+ *
+ * BRK --
+ *
+ *      BRK instruction.
+ *
+ *      Use a compiler memory barrier to prevent the compiler from re-ordering
+ *      memory accesses across the BRK instruction: this is less surprising /
+ *      more convenient when the breakpoint hits and one attaches a debugger to
+ *      inspect and/or modify state.
+ *
+ * Results:
+ *      None.
+ *
+ * Side effects:
+ *      Raises an exception, so side-effects depend on the exception handler.
+ *
+ *----------------------------------------------------------------------
+ */
+
+#if defined _MSC_VER
+#define BRK(imm16) do {                                                       \
+   _ReadWriteBarrier();                                                       \
+   __break(imm16);                                                            \
+   _ReadWriteBarrier();                                                       \
+} while (0)
+#elif defined __GNUC__
+#define BRK(imm16) asm volatile ("brk %0" :: "i" (imm16) : "memory")
+#endif
+
+
 /*
  *----------------------------------------------------------------------
  *