Hi Leif,
Thank you for this patch.
This patch looks good to me.
Just a question, should we also do the same for the AArch32 builds?
In either case,
Reviewed-by: Sami Mujawar <sami.muja...@arm.com>
Regards,
Sami Mujawar
On 26/09/2023 06:15 pm, Leif Lindholm wrote:
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]
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