void * memcpy(void * dst, const void * src, size_t n) {
if (model && !inside_model) {
- //model_print("memcpy intercepted\n");
+ //model_print("memcpy size: %d\n", n);
thread_id_t tid = thread_current_id();
- if (((uintptr_t)src&7) == 0 && ((uintptr_t)dst&7) == 0 && (n&7) == 0) {
- for (uint i = 0; i < (n>>3); i++) {
- raceCheckRead64(tid, (void *)(((uint64_t *)src) + i));
- ((volatile uint64_t *)dst)[i] = ((uint64_t *)src)[i];
- raceCheckWrite64(tid, (void *)(((uint64_t *)dst) + i));
- }
- } else if (((uintptr_t)src&3) == 0 && ((uintptr_t)dst&3) == 0 && (n&3) == 0) {
- for (uint i = 0; i < (n>>2); i++) {
- raceCheckRead32(tid, (void *)(((uint32_t *)src) + i));
- ((volatile uint32_t *)dst)[i] = ((uint32_t *)src)[i];
- raceCheckWrite32(tid, (void *)(((uint32_t *)dst) + i));
- }
- } else if (((uintptr_t)src&1) == 0 && ((uintptr_t)dst&1) == 0 && (n&1) == 0) {
- for (uint i = 0; i < (n>>1); i++) {
- raceCheckRead16(tid, (void *)(((uint16_t *)src) + i));
- ((volatile uint16_t *)dst)[i] = ((uint16_t *)src)[i];
- raceCheckWrite16(tid, (void *)(((uint16_t *)dst) + i));
- }
- } else {
- for(uint i=0;i<n;i++) {
- raceCheckRead8(tid, (void *)(((char *)src) + i));
- ((volatile char *)dst)[i] = ((char *)src)[i];
- raceCheckWrite8(tid, (void *)(((char *)dst) + i));
- }
+ raceCheckReadMemop(tid, (void *)src, n);
+ raceCheckWriteMemop(tid, (void *)dst, n);
+ } else if (((uintptr_t)real_memcpy) < 2) {
+ for(uint i=0;i<n;i++) {
+ ((volatile char *)dst)[i] = ((char *)src)[i];
}
- } else {
- if (((uintptr_t)real_memcpy) < 2) {
- for(uint i=0;i<n;i++) {
- ((volatile char *)dst)[i] = ((char *)src)[i];
- }
- return dst;
- }
-
- return real_memcpy(dst, src, n);
+ return dst;
}
- return dst;
+ return real_memcpy(dst, src, n);
}
void * memmove(void * dst, const void * src, size_t n) {
if (model && !inside_model) {
thread_id_t tid = thread_current_id();
- if (((uintptr_t)src&7) == 0 && ((uintptr_t)dst&7) == 0 && (n&7) == 0) {
- if (((uintptr_t)dst) < ((uintptr_t)src))
- for (uint i = 0; i < (n>>3); i++) {
- raceCheckRead64(tid, (void *)(((uint64_t *)src) + i));
- ((volatile uint64_t *)dst)[i] = ((uint64_t *)src)[i];
- raceCheckWrite64(tid, (void *)(((uint64_t *)dst) + i));
- }
- else
- for (uint i = (n>>3); i != 0;) {
- i--;
- raceCheckRead64(tid, (void *)(((uint64_t *)src) + i));
- ((volatile uint64_t *)dst)[i] = ((uint64_t *)src)[i];
- raceCheckWrite64(tid, (void *)(((uint64_t *)dst) + i));
- }
- } else if (((uintptr_t)src&3) == 0 && ((uintptr_t)dst&3) == 0 && (n&3) == 0) {
- if (((uintptr_t)dst) < ((uintptr_t)src))
- for (uint i = 0; i < (n>>2); i++) {
- raceCheckRead32(tid, (void *)(((uint32_t *)src) + i));
- ((volatile uint32_t *)dst)[i] = ((uint32_t *)src)[i];
- raceCheckWrite32(tid, (void *)(((uint32_t *)dst) + i));
- }
- else
- for (uint i = (n>>2); i != 0;) {
- i--;
- raceCheckRead32(tid, (void *)(((uint32_t *)src) + i));
- ((volatile uint32_t *)dst)[i] = ((uint32_t *)src)[i];
- raceCheckWrite32(tid, (void *)(((uint32_t *)dst) + i));
- }
- } else if (((uintptr_t)src&1) == 0 && ((uintptr_t)dst&1) == 0 && (n&1) == 0) {
- if (((uintptr_t)dst) < ((uintptr_t)src))
- for (uint i = 0; i < (n>>1); i++) {
- raceCheckRead16(tid, (void *)(((uint16_t *)src) + i));
- ((volatile uint16_t *)dst)[i] = ((uint16_t *)src)[i];
- raceCheckWrite16(tid, (void *)(((uint16_t *)dst) + i));
- }
- else
- for (uint i = (n>>1); i != 0;) {
- i--;
- raceCheckRead16(tid, (void *)(((uint16_t *)src) + i));
- ((volatile uint16_t *)dst)[i] = ((uint16_t *)src)[i];
- raceCheckWrite16(tid, (void *)(((uint16_t *)dst) + i));
- }
- } else {
- if (((uintptr_t)dst) < ((uintptr_t)src))
- for(uint i = 0; i < n; i++) {
- raceCheckRead8(tid, (void *)(((char *)src) + i));
- ((volatile char *)dst)[i] = ((char *)src)[i];
- raceCheckWrite8(tid, (void *)(((char *)dst) + i));
- }
- else
- for(uint i = n; i != 0;) {
- i--;
- raceCheckRead8(tid, (void *)(((char *)src) + i));
- ((volatile char *)dst)[i] = ((char *)src)[i];
- raceCheckWrite8(tid, (void *)(((char *)dst) + i));
- }
- }
- } else {
- if (((uintptr_t)real_memmove) < 2) {
- if (((uintptr_t)dst) < ((uintptr_t)src))
- for(uint i=0;i<n;i++) {
- ((volatile char *)dst)[i] = ((char *)src)[i];
- }
- else
- for(uint i=n;i!=0; ) {
- i--;
- ((volatile char *)dst)[i] = ((char *)src)[i];
- }
- return dst;
- }
- return real_memmove(dst, src, n);
+ raceCheckReadMemop(tid, (void *)src, n);
+ raceCheckWriteMemop(tid, (void *)dst, n);
+ } else if (((uintptr_t)real_memmove) < 2) {
+ if (((uintptr_t)dst) < ((uintptr_t)src))
+ for(uint i=0;i<n;i++) {
+ ((volatile char *)dst)[i] = ((char *)src)[i];
+ }
+ else
+ for(uint i=n;i!=0; ) {
+ i--;
+ ((volatile char *)dst)[i] = ((char *)src)[i];
+ }
+ return dst;
}
- return dst;
+ return real_memmove(dst, src, n);
}
void * memset(void *dst, int c, size_t n) {
if (model && !inside_model) {
+ //model_print("memset size: %d\n", n);
thread_id_t tid = thread_current_id();
- uint8_t cs = c&0xff;
- if (((uintptr_t)dst&7) == 0 && (n&7) == 0) {
- for (uint i = 0; i < (n>>3); i++) {
- uint16_t cs2 = cs << 8 | cs;
- uint64_t cs3 = cs2 << 16 | cs2;
- uint64_t cs4 = cs3 << 32 | cs3;
- ((volatile uint64_t *)dst)[i] = cs4;
- raceCheckWrite64(tid, (void *)(((uint64_t *)dst) + i));
- }
- } else if (((uintptr_t)dst&3) == 0 && (n&3) == 0) {
- for (uint i = 0; i < (n>>2); i++) {
- uint16_t cs2 = cs << 8 | cs;
- uint32_t cs3 = cs2 << 16 | cs2;
- ((volatile uint32_t *)dst)[i] = cs3;
- raceCheckWrite32(tid, (void *)(((uint32_t *)dst) + i));
- }
- } else if (((uintptr_t)dst&1) == 0 && (n&1) == 0) {
- for (uint i = 0; i < (n>>1); i++) {
- uint16_t cs2 = cs << 8 | cs;
- ((volatile uint16_t *)dst)[i] = cs2;
- raceCheckWrite16(tid, (void *)(((uint16_t *)dst) + i));
- }
- } else {
- for (uint i=0;i<n;i++) {
- ((volatile char *)dst)[i] = cs;
- raceCheckWrite8(tid, (void *)(((char *)dst) + i));
- }
+ raceCheckWriteMemop(tid, (void *)dst, n);
+ } else if (((uintptr_t)real_memset) < 2) {
+ //stuck in dynamic linker alloc cycle...
+ for(size_t s=0;s<n;s++) {
+ ((volatile char *)dst)[s] = (char) c;
}
- } else {
- if (((uintptr_t)real_memset) < 2) {
- //stuck in dynamic linker alloc cycle...
- for(size_t s=0;s<n;s++) {
- ((volatile char *)dst)[s] = (char) c;
- }
- return dst;
- }
- return real_memset(dst, c, n);
+ return dst;
}
- return dst;
+ return real_memset(dst, c, n);
}
void bzero(void *dst, size_t n) {
if (model && !inside_model) {
thread_id_t tid = thread_current_id();
- if (((uintptr_t)dst&7) == 0 && (n&7) == 0) {
- for (uint i = 0; i < (n>>3); i++) {
- ((volatile uint64_t *)dst)[i] = 0;
- raceCheckWrite64(tid, (void *)(((uint64_t *)dst) + i));
- }
- } else if (((uintptr_t)dst&3) == 0 && (n&3) == 0) {
- for (uint i = 0; i < (n>>2); i++) {
- ((volatile uint32_t *)dst)[i] = 0;
- raceCheckWrite32(tid, (void *)(((uint32_t *)dst) + i));
- }
- } else if (((uintptr_t)dst&1) == 0 && (n&1) == 0) {
- for (uint i = 0; i < (n>>1); i++) {
- ((volatile uint16_t *)dst)[i] = 0;
- raceCheckWrite16(tid, (void *)(((uint16_t *)dst) + i));
- }
- } else {
- for (uint i=0;i<n;i++) {
- ((volatile char *)dst)[i] = 0;
- raceCheckWrite8(tid, (void *)(((char *)dst) + i));
- }
- }
- } else {
- if (((uintptr_t)real_bzero) < 2) {
- for(size_t s=0;s<n;s++) {
- ((volatile char *)dst)[s] = 0;
- }
- return;
+ raceCheckWriteMemop(tid, (void *)dst, n);
+ } else if (((uintptr_t)real_bzero) < 2) {
+ for(size_t s=0;s<n;s++) {
+ ((volatile char *)dst)[s] = 0;
}
- real_bzero(dst, n);
+ return;
}
+ real_bzero(dst, n);
}
projects / c11tester.git / blobdiff