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> compile NEMU

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ysyx_22040000 李心杨
Linux calcite 6.6.19 #1-NixOS SMP PREEMPT_DYNAMIC Fri Mar  1 12:35:11 UTC 2024 x86_64 GNU/Linux
 15:45:31  up   2:51,  2 users,  load average: 0.99, 0.57, 0.39
This commit is contained in:
tracer-ysyx 2024-03-20 15:45:31 +08:00 committed by xinyangli
parent d4439a279b
commit db76d96f05
1 changed files with 14 additions and 10 deletions
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24
nemu/src/utils/elf-parser.c
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@ -16,6 +16,16 @@ static int cmp_func_t(const void *a, const void *b) {
return ((func_t *)a)->start > ((func_t *)b)->start; return ((func_t *)a)->start > ((func_t *)b)->start;
} }
func_t *get_func(vaddr_t addr) {
int l = 0, r = func_table_len - 1;
while(l < r) {
int mid = l + (r - l) / 2;
if(func_table[mid].start < addr) l = mid + 1;
else r = mid;
}
return &func_table[l];
}
void init_elf(const char *path) { void init_elf(const char *path) {
bool success = false; bool success = false;
FILE *elf_file = fopen(path, "rb"); FILE *elf_file = fopen(path, "rb");
@ -68,6 +78,10 @@ void init_elf(const char *path) {
} }
} }
qsort(func_table, func_table_len, sizeof(func_t), cmp_func_t); qsort(func_table, func_table_len, sizeof(func_t), cmp_func_t);
for(int i = 0; i < func_table_len; i++) {
func_t *f = &func_table[i];
printf("%s: 0x%x - 0x%x\n", f->name, f->start, f->start + f->len);
}
success = true; success = true;
failed: failed:
for(int i = 0; i < func_table_len; i++) { for(int i = 0; i < func_table_len; i++) {
@ -82,13 +96,3 @@ failed_nosym:
if(success) return; if(success) return;
else Error("Failed reading elf file"); else Error("Failed reading elf file");
} }
func_t *get_func(vaddr_t addr) {
int l = 0, r = func_table_len - 1;
while(l < r) {
int mid = l + (r - l) / 2;
if(func_table[mid].start < addr) l = mid + 1;
else r = mid;
}
return &func_table[l];
}