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45516216 | 1 | static inline void __attribute__ ((always_inline)) __lll_mutex_lock(int * futex) { |
2 | if (( { | |
3 | int ret; | |
4 | ret = ( { | |
5 | volatile int lws_errno = 14; | |
6 | volatile int lws_ret = 0xdeadbeef; | |
7 | asm volatile ("0: \n\t" "copy %3, %%r26 \n\t" "copy %4, %%r25 \n\t" "copy %5, %%r24 \n\t" "ble " "0xb0" "(%%sr2, %%r0) \n\t" "ldi " "0" ", %%r20 \n\t" "cmpib,=,n " "11" ",%%r21,0b \n\t" "nop \n\t" "stw %%r28, %0 \n\t" "sub %%r0, %%r21, %%r21 \n\t" "stw %%r21, %1 \n\t" : "=m" (lws_ret), "=m"(lws_errno), "=m"(*futex) : "r"(futex), "r"(0), "r"(1) :"r1", "r26", "r25", "r24", "r23", "r22", "r21", "r20", "r28", "r31", "memory"); | |
8 | lws_ret; | |
9 | } | |
10 | ); | |
11 | } | |
12 | )) __lll_lock_wait(futex); | |
13 | } | |
14 | typedef struct { | |
15 | char *_IO_write_end; | |
16 | int lock; | |
17 | } | |
18 | _IO_FILE; | |
19 | __attribute__ ((__nothrow__)) __attribute__ ((noinline)) static int buffered_vfprintf(register _IO_FILE *s) { | |
20 | char buf[8192]; | |
21 | register _IO_FILE *hp; | |
22 | hp->_IO_write_end = buf; | |
23 | __lll_mutex_lock(&s->lock); | |
24 | } | |
25 | void foo(_IO_FILE *s) { | |
26 | buffered_vfprintf(s); | |
27 | } |