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support for registering functions from modules (not tested yet)

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This commit is contained in:
phcoder 2011-01-02 14:58:57 +01:00
parent daca6c5f45
commit 73911575dd
4 changed files with 54 additions and 13 deletions
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30
grub-core/kern/ia64/dl.c
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@ -154,16 +154,13 @@ grub_arch_dl_get_tramp_size (const void *ehdr, unsigned sec)
return cnt * sizeof (struct ia64_trampoline);
}
/* Relocate symbols. */
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
grub_arch_dl_allocate_gp (grub_dl_t mod, const void *ehdr)
{
Elf_Ehdr *e = ehdr;
Elf_Shdr *s;
Elf_Word entsize;
unsigned i;
grub_uint64_t *gp, *gpptr;
grub_size_t gp_size = 0;
const Elf_Ehdr *e = ehdr;
const Elf_Shdr *s;
unsigned i;
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
@ -199,10 +196,23 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
if (gp_size > MASK19)
return grub_error (GRUB_ERR_OUT_OF_RANGE, "gp too big");
gpptr = gp = grub_malloc (gp_size);
if (!gp)
mod->gp = grub_malloc (gp_size);
if (!mod->gp)
return grub_errno;
mod->gp = (char *) gp;
return GRUB_ERR_NONE;
}
/* Relocate symbols. */
grub_err_t
grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
{
Elf_Ehdr *e = ehdr;
Elf_Shdr *s;
Elf_Word entsize;
unsigned i;
grub_uint64_t *gp, *gpptr;
gp = gpptr = (grub_uint64_t *) mod->gp;
/* Find a symbol table. */
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);