Prevent LTO from omitting the ISR vector table

rlcamp · rlcamp · commit 88bafcc09e92 · 2022-11-13T10:53:59.000-08:00
diff --git a/cores/arduino/cortex_handlers.c b/cores/arduino/cortex_handlers.c
@@ -196,6 +196,7 @@ extern uint32_t __bss_end__;
 extern uint32_t __StackTop;
 
 /* Exception Table */
+__attribute__ ((used))
 __attribute__ ((section(".isr_vector"))) const DeviceVectors exception_table =
 {
 	/* Configure Initial Stack Pointer, using linker-generated symbols */

Original file line number	Diff line number	Diff line change
`@@ -196,6 +196,7 @@ extern uint32_t __bss_end__;`
`196`	`196`	`extern uint32_t __StackTop;`
`197`	`197`
`198`	`198`	`/* Exception Table */`
	`199`	`+__attribute__ ((used))`
`199`	`200`	`__attribute__ ((section(".isr_vector"))) const DeviceVectors exception_table =`
`200`	`201`	`{`
`201`	`202`	`/* Configure Initial Stack Pointer, using linker-generated symbols */`