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NUMAKER_M252KG: keep __vector_handlers symbol in LTO builds 

Add a "used" attribute to __vector_handlers to fix ARMC6 build with
the "-flto" flag.
(Error: L6236E: No section matches selector - no section to be FIRST/LAST. )

This attribute, attached to a function/variable, means that code must be emitted
for the function even if it appears that the function is not referenced.
pull/11874/head
Maciej Bocianski 2019-12-04 09:58:40 +01:00
parent 9aade4a816
commit f0dc4abb3f
1 changed files with 1 additions and 1 deletions
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targets/TARGET_NUVOTON/TARGET_M251/device/startup_M251.c
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@ -155,7 +155,7 @@ WEAK_ALIAS_FUNC(OPA_IRQHandler, Default_Handler) // 62: OPA Interrupt
/* Vector table */ /* Vector table */
#if defined(__ARMCC_VERSION) #if defined(__ARMCC_VERSION)
__attribute__ ((section("RESET"))) __attribute__ ((section("RESET"), used))
const uint32_t __vector_handlers[] = { const uint32_t __vector_handlers[] = {
#elif defined(__ICCARM__) #elif defined(__ICCARM__)
extern uint32_t CSTACK$$Limit; extern uint32_t CSTACK$$Limit;