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add some printing

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This commit is contained in:
Kasper
2025-04-14 23:54:39 +03:00
parent 54b9ec7404
commit dcf863bf26
3 changed files with 180 additions and 95 deletions
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85
src/moduler/moduler.c
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@@ -1,8 +1,8 @@
#include "moduler.h"
#include "logger/logger.h"
#include "moduler/elf.h"
#include "memory.h"
#include "moduler/elf.h"
#include "types.h"
HiloadResult moduler_reload(ModuleInfos *modinfos,
@@ -11,36 +11,87 @@ HiloadResult moduler_reload(ModuleInfos *modinfos,
const char *modname = sc_array_at(&modinfos->names, modindex);
MemoryRegionSpan memspan = memory_get_module_span(memregs, modname);
log_debugv("Module: %s - [%p, %p]\n", modname, memspan.region_start,
memspan.region_end);
memspan.region_end);
Elf *elf = elf_memory((void*)memspan.region_start, memspan.region_end - memspan.region_start);
Elf *elf = elf_memory((void *)memspan.region_start,
memspan.region_end - memspan.region_start);
int err = elf_errno();
if (err) {
log_error("%s\n", elf_errmsg(err));
log_error("%s\n", elf_errmsg(err));
}
void *module_address = (void*)sc_array_at(&modinfos->addresses, modindex);
void *module_address = (void *)sc_array_at(&modinfos->addresses, modindex);
size_t phdrnum = 0;
err = elf_getphdrnum(elf, &phdrnum);
Elf64_Phdr *phdr = elf64_getphdr(elf);
for (size_t i = 0; i < phdrnum; ++i) {
Elf64_Phdr *p = phdr + i;
log_debugv("segment type: %s\n", segment_type_to_str(p->p_type));
Elf64_Phdr *p = phdr + i;
log_debugv("segment type: %s\n", segment_type_to_str(p->p_type));
size_t segment_size = p->p_memsz;
void *segment_start = module_address + p->p_vaddr;
void *segment_end = module_address + p->p_vaddr + segment_size;
size_t segment_size = p->p_memsz;
void *segment_start = module_address + p->p_vaddr;
void *segment_end = module_address + p->p_vaddr + segment_size;
if (p->p_type == PT_DYNAMIC) {
Elf64_Dyn *dyn = (Elf64_Dyn*)segment_start;
while ((void*)dyn < segment_end) {
log_debugv(" dyn type: %s\n", dyn_type_to_str(dyn->d_tag));
++dyn;
}
void *strtab = 0;
void *symtab = 0;
size_t strsz = 0;
size_t syment = 0;
void *rela = 0;
size_t relasz = 0;
size_t relaent = 0;
size_t relacount = 0;
void *pltgot = 0;
size_t pltrelsz = 0;
void *pltrel = 0;
if (p->p_type == PT_DYNAMIC) {
Elf64_Dyn *dyn = (Elf64_Dyn *)segment_start;
while ((void *)dyn < segment_end) {
log_debugv(" dyn type: %s\n", dyn_type_to_str(dyn->d_tag));
if (dyn->d_tag == DT_STRTAB) {
strtab = (void *)dyn->d_un.d_ptr;
} else if (dyn->d_tag == DT_SYMTAB) {
symtab = (void *)dyn->d_un.d_ptr;
} else if (dyn->d_tag == DT_STRSZ) {
strsz = dyn->d_un.d_val;
} else if (dyn->d_tag == DT_SYMENT) {
syment = dyn->d_un.d_val;
} else if (dyn->d_tag == DT_RELA) {
rela = (void *)dyn->d_un.d_ptr;
} else if (dyn->d_tag == DT_RELASZ) {
relasz = dyn->d_un.d_val;
} else if (dyn->d_tag == DT_RELAENT) {
relaent = dyn->d_un.d_val;
} else if (dyn->d_tag == DT_RELACOUNT) {
relacount = dyn->d_un.d_val;
} else if (dyn->d_tag == DT_PLTGOT) {
pltgot = (void *)dyn->d_un.d_ptr;
} else if (dyn->d_tag == DT_PLTRELSZ) {
pltrelsz = dyn->d_un.d_val;
} else if (dyn->d_tag == DT_PLTREL) {
pltrel = (void *)dyn->d_un.d_val;
}
++dyn;
}
printf("strtab: %p\n"
"symtab: %p\n"
"strsz: %zu\n"
"syment: %zu\n"
"rela: %p\n"
"relasz: %zu\n"
"relaent: %zu\n"
"relacount: %zu\n"
"pltgot: %p\n"
"pltrelsz: %zu\n"
"pltrel: %p\n",
strtab, symtab, strsz, syment, rela, relasz, relaent, relacount,
pltgot, pltrelsz, pltrel);
}
}
modinfos->state[modindex] = HI_MODULE_STATE_CLEAN;