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NUMAKER_IOT_M487: keep __vector_handlers symbols 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 09:55:40 +01:00
parent 6d896f032f
commit e3b8514a91
1 changed files with 1 additions and 1 deletions
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2
targets/TARGET_NUVOTON/TARGET_M480/device/startup_M480.c
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@ -193,7 +193,7 @@ WEAK_ALIAS_FUNC(ETMC_IRQHandler, Default_Handler) // 95:
/* Vector table */
#if defined(__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
__attribute__ ((section("RESET")))
__attribute__ ((section("RESET"), used))
const uint32_t __vector_handlers[] = {
#elif defined(__ICCARM__)
extern uint32_t CSTACK$$Limit;