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30942cebe8
Build fails for qemuarm with musl with following error:
mozglue/misc/StackWalk.o: in function `unwind_callback(_Unwind_Context*, void*)':
| /usr/src/debug/mozjs-128/128.5.2/mozglue/misc/StackWalk.cpp:810:(.text._ZL15unwind_callbackP15_Unwind_ContextPv+0x4): undefined reference to `_Unwind_GetIP'
Referenced commit[1] for the fix, also refreshed patches.
[1] bb86629123
Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
29 lines
1.0 KiB
Diff
29 lines
1.0 KiB
Diff
From e94edc3eba7ea158806283d92ecd71ab87351838 Mon Sep 17 00:00:00 2001
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From: Ross Burton <ross.burton@arm.com>
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Date: Mon, 16 Dec 2024 05:49:57 +0000
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Subject: [PATCH] The ISB instruction isn't available in ARMv5 or v6, so guard
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it's use to fix the build on qemuarmv5.
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Upstream-Status: Pending
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Signed-off-by: Ross Burton <ross.burton@arm.com>
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---
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js/src/jit/arm/Architecture-arm.cpp | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/js/src/jit/arm/Architecture-arm.cpp b/js/src/jit/arm/Architecture-arm.cpp
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index d4c5026705..fc0455eaff 100644
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--- a/js/src/jit/arm/Architecture-arm.cpp
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+++ b/js/src/jit/arm/Architecture-arm.cpp
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@@ -528,9 +528,11 @@ void FlushICache(void* code, size_t size) {
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void FlushExecutionContext() {
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#ifndef JS_SIMULATOR_ARM
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+#if __ARM_ARCH >= 7
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// Ensure that any instructions already in the pipeline are discarded and
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// reloaded from the icache.
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asm volatile("isb\n" : : : "memory");
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+#endif
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#else
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// We assume the icache flushing routines on other platforms take care of this
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#endif
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