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toolchain: fix the C++ exception workaround for new toolchains that don't have such hook

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This commit is contained in:
Anton Maklakov 2020-09-02 20:42:47 +07:00
parent 40f3cc4a34
commit f63bbc169e
1 changed files with 6 additions and 1 deletions
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7
components/esp_system/startup.c
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@ -108,9 +108,14 @@ sys_startup_fn_t g_startup_fn[1] = { start_cpu0 };
#ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
// workaround for C++ exception crashes
void _Unwind_SetNoFunctionContextInstall(unsigned char enable);
void _Unwind_SetNoFunctionContextInstall(unsigned char enable) __attribute__((weak, alias("_Unwind_SetNoFunctionContextInstall_Default")));
// workaround for C++ exception large memory allocation
void _Unwind_SetEnableExceptionFdeSorting(unsigned char enable);
static IRAM_ATTR void _Unwind_SetNoFunctionContextInstall_Default(unsigned char enable __attribute__((unused)))
{
(void)0;
}
#endif // CONFIG_COMPILER_CXX_EXCEPTIONS
static const char* TAG = "cpu_start";