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Document .weak usage.

Karol Harasim 4 years ago
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9275ca97b5
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3047813439
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riscv-rt/asm.S
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@@ -125,6 +125,7 @@ _abs_start:
 
 */
 
 .section .trap, "ax"
 
 .global _start_trap
 
+/* Make it .weak so PAC/HAL can provide their own if needed. */
 
 .weak _start_trap
 
 
 _start_trap: