static_build: fix bss initialization

facchinm · soburi · commit 168bb07684d3 · 2026-02-05T21:36:55.000+09:00
Co-authored-by: Martino Facchin &lt;m.facchin@arduino.cc&gt;
Signed-off-by: TOKITA Hiroshi &lt;tokita.hiroshi@gmail.com&gt;
diff --git a/cores/arduino/main.cpp b/cores/arduino/main.cpp
@@ -93,7 +93,7 @@ extern "C" __attribute__((section(".entry_point"), used)) void entry_point(struc
 	printk("Sketch Heap start: %p, size %p\n", &kheap_llext_heap, &kheap_llext_heap_size);
 
 	memcpy(&_sdata, &_sidata, (&_edata - &_sdata) * sizeof(uint32_t));
-	memset(&_sbss, 0, &_ebss - &_sbss);
+	memset(&_sbss, 0, (&_ebss - &_sbss) * sizeof(uint32_t));
 	__libc_init_array();
 	main();
 }

Original file line number	Diff line number	Diff line change
`@@ -93,7 +93,7 @@ extern "C" __attribute__((section(".entry_point"), used)) void entry_point(struc`
`93`	`93`	`printk("Sketch Heap start: %p, size %p\n", &kheap_llext_heap, &kheap_llext_heap_size);`
`94`	`94`
`95`	`95`	`memcpy(&_sdata, &_sidata, (&_edata - &_sdata) * sizeof(uint32_t));`
`96`		`- memset(&_sbss, 0, &_ebss - &_sbss);`
	`96`	`+ memset(&_sbss, 0, (&_ebss - &_sbss) * sizeof(uint32_t));`
`97`	`97`	`__libc_init_array();`
`98`	`98`	`main();`
`99`	`99`	`}`