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NUMAKER_PFM_NUC472: 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 10:17:05 +01:00
parent ad7f27bf77
commit 50c3b100a8
1 changed files with 1 additions and 1 deletions
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2
targets/TARGET_NUVOTON/TARGET_NUC472/device/startup_NUC472_442.c
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@ -232,7 +232,7 @@ WEAK_ALIAS_FUNC(CRC_IRQHandler, Default_Handler) // 141: CRC
/* Vector table */ /* Vector table */
#if defined(__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)) #if defined(__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
__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;