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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
 16:12:38  up   3:18,  2 users,  load average: 0.31, 0.30, 0.31
This commit is contained in:
tracer-ysyx 2024-03-20 16:12:38 +08:00 committed by xinyangli
parent 12b32de52d
commit 8e03d125ce
1 changed files with 6 additions and 6 deletions
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12
nemu/src/utils/elf-parser.c
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@ -16,14 +16,14 @@ 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) { const char *get_func_name(vaddr_t addr) {
int l = 0, r = func_table_len - 1; int l = 0, r = func_table_len - 1;
while(l <= r) { while(l <= r) {
int mid = (l + r) / 2; int mid = (l + r) / 2;
if(func_table[mid].start <= addr) l = mid + 1; if(func_table[mid].start <= addr) l = mid + 1;
else r = mid - 1; else r = mid - 1;
} }
return &func_table[l]; return l == 0 ? "???" : func_table[l - 1].name;
} }
void init_elf(const char *path) { void init_elf(const char *path) {
@ -82,10 +82,10 @@ void init_elf(const char *path) {
func_t *f = &func_table[i]; func_t *f = &func_table[i];
printf("%s: 0x%x - 0x%x\n", f->name, f->start, f->start + f->len); printf("%s: 0x%x - 0x%x\n", f->name, f->start, f->start + f->len);
} }
printf("%s\n", get_func(0x80000010)->name); printf("%s\n", get_func_name(0x80000010));
printf("%s\n", get_func(0x80000012)->name); printf("%s\n", get_func_name(0x80000012));
printf("%s\n", get_func(0x7fffffff)->name); printf("%s\n", get_func_name(0x7fffffff));
printf("%s\n", get_func(0x80000000)->name); printf("%s\n", get_func_name(0x80000000));
success = true; success = true;
failed: failed:
for(int i = 0; i < func_table_len; i++) { for(int i = 0; i < func_table_len; i++) {