| 45,6 → 45,7 |
|---|
| #include "elf.h" |
| |
| #define RTLD_BIAS 0x80000 |
| //#define RTLD_BIAS 0 |
| |
| static char *error_codes[] = { |
| "no error", |
| 229,7 → 230,8 |
|---|
| flags |= AS_AREA_CACHEABLE; |
| */ |
| /* FIXME: Kernel won't normally allow this, unless you "patch" it */ |
| flags = AS_AREA_READ | AS_AREA_WRITE | AS_AREA_EXEC | AS_AREA_CACHEABLE; |
| // flags = AS_AREA_READ | AS_AREA_WRITE | AS_AREA_EXEC | AS_AREA_CACHEABLE; |
| flags = AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE; |
| |
| /* |
| * Check if the virtual address starts on page boundary. |
| 251,17 → 253,36 |
|---|
| return EE_MEMORY; |
| } |
| |
| printf("as_area_create() -> 0x%x\n", (unsigned)a); |
| printf("as_area_create(0x%x, 0x%x, %d) -> 0x%x\n", |
| entry->p_vaddr+bias, entry->p_memsz, flags, (unsigned)a); |
| |
| /* |
| * Load segment data |
| */ |
| printf("seek to %d\n", entry->p_offset); |
| rc = lseek(fd, entry->p_offset, SEEK_SET); |
| if (rc < 0) { printf("seek error\n"); return EE_INVALID; } |
| |
| rc = read(fd, (void *)(entry->p_vaddr + bias), entry->p_filesz); |
| if (rc < 0) { printf("read error\n"); return EE_INVALID; } |
| printf("read 0x%x bytes to address 0x%x\n", entry->p_filesz, entry->p_vaddr+bias); |
| /* rc = read(fd, (void *)(entry->p_vaddr + bias), entry->p_filesz); |
| if (rc < 0) { printf("read error\n"); return EE_INVALID; }*/ |
| unsigned left, now; |
| uint8_t *dp; |
| |
| left = entry->p_filesz; |
| dp = (uint8_t *)(entry->p_vaddr + bias); |
| |
| while (left > 0) { |
| now = 4096; |
| if (now > left) now=left; |
| printf("read %d...", now); |
| rc = read(fd, dp, now); |
| if (rc < 0) { printf("read error\n"); return EE_INVALID; } |
| printf("->%d\n", rc); |
| left -= now; |
| dp += now; |
| } |
| |
| return EE_OK; |
| } |
| |