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NU_PFM_M2351_NPSA: 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 10:19:23 +01:00
parent 50c3b100a8
commit 6d896f032f
1 changed files with 1 additions and 1 deletions
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2
targets/TARGET_NUVOTON/TARGET_M2351/device/startup_M2351.c
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@ -192,7 +192,7 @@ WEAK_ALIAS_FUNC(TRNG_IRQHandler, Default_Handler) // 101:
/* Vector table */
#if defined(__ARMCC_VERSION)
__attribute__ ((section("RESET")))
__attribute__ ((section("RESET"), used))
const uint32_t __vector_handlers[] = {
#elif defined(__ICCARM__)
#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) && (TFM_LVL > 0)