The SetJump comment header states that:
  If JumpBuffer is NULL, then ASSERT().

However, this was not currently done.
Add a call to InternalAssertJumpBuffer.

Signed-off-by: Leif Lindholm <quic_llind...@quicinc.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Sami Mujawar <sami.muja...@arm.com>
---
 MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S   | 8 ++++++++
 MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S 
b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
index 78db9b3d1e78..de79ad3a0a3e 100644
--- a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
+++ b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
@@ -46,6 +46,14 @@ GCC_ASM_EXPORT(InternalLongJump)
 #
 ASM_PFX(SetJump):
         AARCH64_BTI(c)
+#ifndef MDEPKG_NDEBUG
+        stp     x29, x30, [sp, #-32]!
+        mov     x29, sp
+        str     x0, [sp, #16]
+        bl      InternalAssertJumpBuffer
+        ldr     x0, [sp, #16]
+        ldp     x29, x30, [sp], #32
+#endif
         mov     x16, sp // use IP0 so save SP
 #define REG_PAIR(REG1, REG2, OFFS)      stp REG1, REG2, [x0, OFFS]
 #define REG_ONE(REG1, OFFS)             str REG1, [x0, OFFS]
diff --git a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm 
b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
index d8b267addc1a..c2774eece311 100644
--- a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
+++ b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
@@ -44,6 +44,14 @@
 ;  );
 ;
 SetJump
+#ifndef MDEPKG_NDEBUG
+        stp     x29, x30, [sp, #-32]!
+        mov     x29, sp
+        str     x0, [sp, #16]
+        bl      InternalAssertJumpBuffer
+        ldr     x0, [sp, #16]
+        ldp     x29, x30, [sp], #32
+#endif
         mov     x16, sp // use IP0 so save SP
 #define REG_PAIR(REG1, REG2, OFFS)      stp REG1, REG2, [x0, OFFS]
 #define REG_ONE(REG1, OFFS)             str REG1, [x0, OFFS]
-- 
2.30.2



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