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Fix auxiliary stack size not 16-byte aligned issue (#524)

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Wenyong Huang 2021-02-09 20:11:32 -06:00 committed by GitHub
parent 52f422dba0
commit 3849ece496
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2 changed files with 5 additions and 1 deletions
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2
core/config.h
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@ -241,6 +241,8 @@
#else #else
#define DEFAULT_WASM_STACK_SIZE (12 * 1024) #define DEFAULT_WASM_STACK_SIZE (12 * 1024)
#endif #endif
/* Min auxilliary stack size of each wasm thread */
#define WASM_THREAD_AUX_STACK_SIZE_MIN (256)
/* Default/min/max stack size of each app thread */ /* Default/min/max stack size of each app thread */
#if !defined(BH_PLATFORM_ZEPHYR) && !defined(BH_PLATFORM_ALIOS_THINGS) \ #if !defined(BH_PLATFORM_ZEPHYR) && !defined(BH_PLATFORM_ALIOS_THINGS) \

4
core/iwasm/libraries/thread-mgr/thread_manager.c
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@ -151,9 +151,11 @@ wasm_cluster_create(WASMExecEnv *exec_env)
} }
cluster->stack_size = aux_stack_size / (cluster_max_thread_num + 1); cluster->stack_size = aux_stack_size / (cluster_max_thread_num + 1);
if (cluster->stack_size == 0) { if (cluster->stack_size < WASM_THREAD_AUX_STACK_SIZE_MIN) {
goto fail; goto fail;
} }
/* Make stack size 16-byte aligned */
cluster->stack_size = cluster->stack_size & (~15);
/* Set initial aux stack top to the instance and /* Set initial aux stack top to the instance and
aux stack boundary to the main exec_env */ aux stack boundary to the main exec_env */