vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Make elfload not use hooks. Opt for flags and iterators instead.

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-03-02 16:45:57 +01:00
parent 7f8c105f61
commit 73bf57e2c8
9 changed files with 298 additions and 629 deletions
Download patch file Download diff file Expand all files Collapse all files

34
grub-core/loader/powerpc/ieee1275/linux.c
View file

@ -179,7 +179,7 @@ grub_linux_load32 (grub_elf_t elf, const char *filename)
grub_uint32_t offset;
Elf32_Addr entry;
linux_size = grub_elf32_size (elf, filename, &base_addr, &align);
linux_size = grub_elf32_size (elf, &base_addr, &align);
if (linux_size == 0)
return grub_errno;
/* Pad it; the kernel scribbles over memory beyond its load address. */
@ -203,20 +203,7 @@ grub_linux_load32 (grub_elf_t elf, const char *filename)
linux_addr = seg_addr;
/* Now load the segments into the area we claimed. */
auto grub_err_t offset_phdr (Elf32_Phdr *phdr, grub_addr_t *addr, int *do_load);
grub_err_t offset_phdr (Elf32_Phdr *phdr, grub_addr_t *addr, int *do_load)
{
if (phdr->p_type != PT_LOAD)
{
*do_load = 0;
return 0;
}
*do_load = 1;
*addr = (phdr->p_paddr - base_addr) + seg_addr;
return 0;
}
return grub_elf32_load (elf, filename, offset_phdr, 0, 0);
return grub_elf32_load (elf, filename, (void *) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_NONE, 0, 0);
}
static grub_err_t
@ -228,7 +215,7 @@ grub_linux_load64 (grub_elf_t elf, const char *filename)
grub_uint64_t offset;
Elf64_Addr entry;
linux_size = grub_elf64_size (elf, filename, &base_addr, &align);
linux_size = grub_elf64_size (elf, &base_addr, &align);
if (linux_size == 0)
return grub_errno;
/* Pad it; the kernel scribbles over memory beyond its load address. */
@ -250,20 +237,7 @@ grub_linux_load64 (grub_elf_t elf, const char *filename)
linux_addr = seg_addr;
/* Now load the segments into the area we claimed. */
auto grub_err_t offset_phdr (Elf64_Phdr *phdr, grub_addr_t *addr, int *do_load);
grub_err_t offset_phdr (Elf64_Phdr *phdr, grub_addr_t *addr, int *do_load)
{
if (phdr->p_type != PT_LOAD)
{
*do_load = 0;
return 0;
}
*do_load = 1;
*addr = (phdr->p_paddr - base_addr) + seg_addr;
return 0;
}
return grub_elf64_load (elf, filename, offset_phdr, 0, 0);
return grub_elf64_load (elf, filename, (void *) (grub_addr_t) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_NONE, 0, 0);
}
static grub_err_t