Add CONFIG_STACK_SIZE_MAX for overridding default limit (bellard#11)

bsekisser · Jan 18, 2024 · c87d3ca · c87d3ca
1 parent 9e53e9d
commit c87d3ca
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Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/Makefile b/Makefile
@@ -39,6 +39,9 @@ CONFIG_LTO=y
 # installation directory
 PREFIX?=/usr/local
 
+# avoid stack overflow on recursive calls
+# CONFIG_STACK_CHECK=y
+# CONFIG_STACK_SIZE_MAX=0xffff
 # use the gprof profiler
 #CONFIG_PROFILE=y
 # use address sanitizer
@@ -112,6 +115,12 @@ ifdef CONFIG_WERROR
 CFLAGS+=-Werror
 endif
 DEFINES:=-D_GNU_SOURCE -DCONFIG_VERSION=\"$(shell cat VERSION.txt)\"
+ifdef CONFIG_STACK_CHECK
+DEFINES+=-DCONFIG_STACK_CHECK=1
+ifdef CONFIG_STACK_SIZE_MAX
+DEFINES+=-DCONFIG_STACK_SIZE_MAX=$(CONFIG_STACK_SIZE_MAX)
+endif
+endif
 ifdef CONFIG_BIGNUM
 DEFINES+=-DCONFIG_BIGNUM
 endif

diff --git a/quickjs.c b/quickjs.c
@@ -216,7 +216,11 @@ typedef enum JSErrorEnum {
 } JSErrorEnum;
 
 #define JS_MAX_LOCAL_VARS 65535
+#ifdef CONFIG_STACK_SIZE_MAX
+#define JS_STACK_SIZE_MAX CONFIG_STACK_SIZE_MAX
+#else
 #define JS_STACK_SIZE_MAX 65534
+#endif
 #define JS_STRING_LEN_MAX ((1 << 30) - 1)
 
 #define __exception __attribute__((warn_unused_result))