arch: arm64: create ARM64_EXCEPTION_STACK_TRACE
Currently, the stack trace in ARM64 implementation depends on frame pointer Kconfigs combo to be enabled. Create a dedicated Kconfig for that instead, so that it is consistent with x86 and riscv, and update the source accordingly. Signed-off-by: Yong Cong Sin <ycsin@meta.com>
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2 changed files with 10 additions and 3 deletions
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@ -154,6 +154,13 @@ config ARM64_ENABLE_FRAME_POINTER
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and OMIT_FRAME_POINTER. It is automatically enabled when the frame
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pointer unwinding is enabled.
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config ARM64_EXCEPTION_STACK_TRACE
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bool
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default y
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depends on FRAME_POINTER
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help
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Internal config to enable runtime stack traces on fatal exceptions.
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config ARM64_SAFE_EXCEPTION_STACK_SIZE
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int "The stack size of the safe exception stack"
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default 4096
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@ -195,7 +195,7 @@ static void esf_dump(const z_arch_esf_t *esf)
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LOG_ERR("x18: 0x%016llx lr: 0x%016llx", esf->x18, esf->lr);
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}
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#ifdef CONFIG_FRAME_POINTER
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#ifdef CONFIG_ARM64_EXCEPTION_STACK_TRACE
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static void esf_unwind(const z_arch_esf_t *esf)
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{
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/*
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@ -363,9 +363,9 @@ void z_arm64_fatal_error(unsigned int reason, z_arch_esf_t *esf)
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esf_dump(esf);
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}
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#ifdef CONFIG_FRAME_POINTER
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#ifdef CONFIG_ARM64_EXCEPTION_STACK_TRACE
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esf_unwind(esf);
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#endif /* CONFIG_FRAME_POINTER */
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#endif /* CONFIG_ARM64_EXCEPTION_STACK_TRACE */
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#endif /* CONFIG_EXCEPTION_DEBUG */
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z_fatal_error(reason, esf);
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