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Add support for static dl_iterate_phdr #6

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Add support for static dl_iterate_phdr #6

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35 changes: 34 additions & 1 deletion link.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,11 +35,44 @@
#include <uk/essentials.h>
#include <stddef.h>
#include <link.h>
#include <elf.h>

#include <stdlib.h>

#ifdef DRUNTIME
struct DG {
void * addr;
struct dl_phdr_info* result;
};

extern char __bss_start[];
extern char _end[];
#endif

int dl_iterate_phdr(
int (*callback)(struct dl_phdr_info *info,
size_t size, void *data),
void *data)
{
return 0;
#ifdef DRUNTIME
struct DG* temp = (struct DG *)data;

temp->result->dlpi_addr = (ElfW(Addr))__bss_start;
temp->result->dlpi_phnum = 1;
temp->result->dlpi_adds = 0;
temp->result->dlpi_subs = 0;
temp->result->dlpi_name = "";

ElfW(Phdr) *segment_data = (ElfW(Phdr) *)malloc(sizeof(ElfW(Phdr)));
segment_data->p_type = PT_LOAD;
segment_data->p_flags = PF_W;
segment_data->p_vaddr = 0;
segment_data->p_memsz = _end - __bss_start;

temp->result->dlpi_phdr = segment_data;

return 1;
#else
return 0;
#endif
}