diff options
| author | David Lamparter <equinox@diac24.net> | 2013-03-10 04:43:22 +0100 |
|---|---|---|
| committer | David Lamparter <equinox@diac24.net> | 2013-03-10 04:43:22 +0100 |
| commit | 2e6b83de5ee42b708e2bb4de81bca0e9bcc5f91e (patch) | |
| tree | a1cbd961e671215d2ac25e0d1c35ef2b5aa80ed1 /lightctrl.c | |
| parent | cadc17b6922526f0c97d1fa0fa32639f240639cb (diff) | |
debug: trace current instruction pointer
Diffstat (limited to 'lightctrl.c')
| -rw-r--r-- | lightctrl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lightctrl.c b/lightctrl.c index bc5e67e..66f726a 100644 --- a/lightctrl.c +++ b/lightctrl.c @@ -1,3 +1,8 @@ +#define _dbg_dump_ret() +#define dbg_dump_ret() do { \ + union { uint16_t u; void *p; } ret = { .p = __builtin_return_address(0) }; \ + _uart_putch('#'); uart_puthex16((ret.u & 0xfff) << 1); _uart_putch('\n'); } while (0) + #define F_CPU 8000000 #include <stdint.h> #include <stdbool.h> |