diff options
| -rw-r--r-- | arch/powerpc/oprofile/cell/vma_map.c | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/arch/powerpc/oprofile/cell/vma_map.c b/arch/powerpc/oprofile/cell/vma_map.c index 76ec1d16aef..9a932177e70 100644 --- a/arch/powerpc/oprofile/cell/vma_map.c +++ b/arch/powerpc/oprofile/cell/vma_map.c @@ -92,7 +92,7 @@ vma_map_add(struct vma_to_fileoffset_map *map, unsigned int vma, * A pointer to the first vma_map in the generated list * of vma_maps is returned. */ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, - unsigned long spu_elf_start) + unsigned long __spu_elf_start) { static const unsigned char expected[EI_PAD] = { [EI_MAG0] = ELFMAG0, @@ -107,9 +107,11 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, int grd_val; struct vma_to_fileoffset_map *map = NULL; + void __user *spu_elf_start = (void __user *)__spu_elf_start; struct spu_overlay_info ovly; unsigned int overlay_tbl_offset = -1; - unsigned long phdr_start, shdr_start; + Elf32_Phdr __user *phdr_start; + Elf32_Shdr __user *shdr_start; Elf32_Ehdr ehdr; Elf32_Phdr phdr; Elf32_Shdr shdr, shdr_str; @@ -121,12 +123,12 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, unsigned int ovly_buf_table_sym = 0; unsigned int ovly_table_end_sym = 0; unsigned int ovly_buf_table_end_sym = 0; - unsigned long ovly_table; + struct spu_overlay_info __user *ovly_table; unsigned int n_ovlys; /* Get and validate ELF header. */ - if (copy_from_user(&ehdr, (void *) spu_elf_start, sizeof (ehdr))) + if (copy_from_user(&ehdr, spu_elf_start, sizeof (ehdr))) goto fail; if (memcmp(ehdr.e_ident, expected, EI_PAD) != 0) { @@ -152,9 +154,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, /* Traverse program headers. */ for (i = 0; i < ehdr.e_phnum; i++) { - if (copy_from_user(&phdr, - (void *) (phdr_start + i * sizeof(phdr)), - sizeof(phdr))) + if (copy_from_user(&phdr, phdr_start + i, sizeof(phdr))) goto fail; if (phdr.p_type != PT_LOAD) @@ -171,9 +171,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, pr_debug("SPU_PROF: Created non-overlay maps\n"); /* Traverse section table and search for overlay-related symbols. */ for (i = 0; i < ehdr.e_shnum; i++) { - if (copy_from_user(&shdr, - (void *) (shdr_start + i * sizeof(shdr)), - sizeof(shdr))) + if (copy_from_user(&shdr, shdr_start + i, sizeof(shdr))) goto fail; if (shdr.sh_type != SHT_SYMTAB) @@ -182,8 +180,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, continue; if (copy_from_user(&shdr_str, - (void *) (shdr_start + shdr.sh_link * - sizeof(shdr)), + shdr_start + shdr.sh_link, sizeof(shdr))) goto fail; @@ -191,15 +188,15 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, goto fail;; for (j = 0; j < shdr.sh_size / sizeof (sym); j++) { - if (copy_from_user(&sym, (void *) (spu_elf_start + - shdr.sh_offset + j * - sizeof (sym)), + if (copy_from_user(&sym, spu_elf_start + + shdr.sh_offset + + j * sizeof (sym), sizeof (sym))) goto fail; - if (copy_from_user(name, (void *) - (spu_elf_start + shdr_str.sh_offset + - sym.st_name), + if (copy_from_user(name, + spu_elf_start + shdr_str.sh_offset + + sym.st_name, 20)) goto fail; @@ -245,9 +242,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, /* Traverse overlay table. */ for (i = 0; i < n_ovlys; i++) { - if (copy_from_user(&ovly, (void *) - (ovly_table + i * sizeof (ovly)), - sizeof (ovly))) + if (copy_from_user(&ovly, ovly_table + i, sizeof (ovly))) goto fail; /* The ovly.vma/size/offset arguments are analogous to the same |