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-rw-r--r--tools/libxc/xc_dom_elfloader.c30
-rw-r--r--tools/xcutils/readnotes.c26
2 files changed, 28 insertions, 28 deletions
diff --git a/tools/libxc/xc_dom_elfloader.c b/tools/libxc/xc_dom_elfloader.c
index 0fc35e3448..0fd8c42326 100644
--- a/tools/libxc/xc_dom_elfloader.c
+++ b/tools/libxc/xc_dom_elfloader.c
@@ -115,9 +115,9 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
struct elf_binary *elf, int load)
{
struct elf_binary syms;
- const elf_shdr *shdr, *shdr2;
+ ELF_HANDLE_DECL_NONCONST(elf_shdr) shdr; ELF_HANDLE_DECL(elf_shdr) shdr2;
xen_vaddr_t symtab, maxaddr;
- char *hdr;
+ ELF_PTRVAL_CHAR hdr;
size_t size;
int h, count, type, i, tables = 0;
@@ -147,11 +147,11 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
dom->bsd_symtab_start = elf_round_up(elf, dom->kernel_seg.vend);
}
- memcpy(hdr + sizeof(int),
- elf->image,
+ elf_memcpy_safe(elf, hdr + sizeof(int),
+ ELF_IMAGE_BASE(elf),
elf_size(elf, elf->ehdr));
- memcpy(hdr + sizeof(int) + elf_size(elf, elf->ehdr),
- elf->image + elf_uval(elf, elf->ehdr, e_shoff),
+ elf_memcpy_safe(elf, hdr + sizeof(int) + elf_size(elf, elf->ehdr),
+ ELF_IMAGE_BASE(elf) + elf_uval(elf, elf->ehdr, e_shoff),
elf_shdr_count(elf) * elf_size(elf, shdr));
if ( elf_64bit(elf) )
{
@@ -189,7 +189,7 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
count = elf_shdr_count(&syms);
for ( h = 0; h < count; h++ )
{
- shdr = elf_shdr_by_index(&syms, h);
+ shdr = ELF_OBSOLETE_VOIDP_CAST elf_shdr_by_index(&syms, h);
type = elf_uval(&syms, shdr, sh_type);
if ( type == SHT_STRTAB )
{
@@ -205,9 +205,9 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
if ( i == count )
{
if ( elf_64bit(&syms) )
- *(Elf64_Off*)(&shdr->e64.sh_offset) = 0;
+ elf_store_field(elf, shdr, e64.sh_offset, 0);
else
- *(Elf32_Off*)(&shdr->e32.sh_offset) = 0;
+ elf_store_field(elf, shdr, e32.sh_offset, 0);
continue;
}
}
@@ -216,9 +216,9 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
{
/* Mangled to be based on ELF header location. */
if ( elf_64bit(&syms) )
- *(Elf64_Off*)(&shdr->e64.sh_offset) = maxaddr - symtab;
+ elf_store_field(elf, shdr, e64.sh_offset, maxaddr - symtab);
else
- *(Elf32_Off*)(&shdr->e32.sh_offset) = maxaddr - symtab;
+ elf_store_field(elf, shdr, e32.sh_offset, maxaddr - symtab);
size = elf_uval(&syms, shdr, sh_size);
maxaddr = elf_round_up(&syms, maxaddr + size);
tables++;
@@ -230,7 +230,7 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
if ( load )
{
shdr2 = elf_shdr_by_index(elf, h);
- memcpy((void*)elf_section_start(&syms, shdr),
+ elf_memcpy_safe(elf, ELF_OBSOLETE_VOIDP_CAST elf_section_start(&syms, shdr),
elf_section_start(elf, shdr2),
size);
}
@@ -238,9 +238,9 @@ static int xc_dom_load_elf_symtab(struct xc_dom_image *dom,
/* Name is NULL. */
if ( elf_64bit(&syms) )
- *(Elf64_Half*)(&shdr->e64.sh_name) = 0;
+ elf_store_field(elf, shdr, e64.sh_name, 0);
else
- *(Elf32_Word*)(&shdr->e32.sh_name) = 0;
+ elf_store_field(elf, shdr, e32.sh_name, 0);
}
if ( tables == 0 )
@@ -275,7 +275,7 @@ static int xc_dom_parse_elf_kernel(struct xc_dom_image *dom)
}
/* Find the section-header strings table. */
- if ( elf->sec_strtab == NULL )
+ if ( ELF_PTRVAL_INVALID(elf->sec_strtab) )
{
xc_dom_panic(dom->xch, XC_INVALID_KERNEL, "%s: ELF image"
" has no shstrtab", __FUNCTION__);
diff --git a/tools/xcutils/readnotes.c b/tools/xcutils/readnotes.c
index 26376854b2..15e5514a12 100644
--- a/tools/xcutils/readnotes.c
+++ b/tools/xcutils/readnotes.c
@@ -19,13 +19,13 @@
static xc_interface *xch;
static void print_string_note(const char *prefix, struct elf_binary *elf,
- const elf_note *note)
+ ELF_HANDLE_DECL(elf_note) note)
{
printf("%s: %s\n", prefix, (char*)elf_note_desc(elf, note));
}
static void print_numeric_note(const char *prefix, struct elf_binary *elf,
- const elf_note *note)
+ ELF_HANDLE_DECL(elf_note) note)
{
uint64_t value = elf_note_numeric(elf, note);
int descsz = elf_uval(elf, note, descsz);
@@ -56,12 +56,12 @@ static void print_l1_mfn_valid_note(const char *prefix, struct elf_binary *elf,
}
-static int print_notes(struct elf_binary *elf, const elf_note *start, const elf_note *end)
+static int print_notes(struct elf_binary *elf, ELF_HANDLE_DECL(elf_note) start, ELF_HANDLE_DECL(elf_note) end)
{
- const elf_note *note;
+ ELF_HANDLE_DECL(elf_note) note;
int notes_found = 0;
- for ( note = start; note < end; note = elf_note_next(elf, note) )
+ for ( note = start; ELF_HANDLE_PTRVAL(note) < ELF_HANDLE_PTRVAL(end); note = elf_note_next(elf, note) )
{
if (0 != strcmp(elf_note_name(elf, note), "Xen"))
continue;
@@ -128,7 +128,7 @@ int main(int argc, char **argv)
void *image,*tmp;
struct stat st;
struct elf_binary elf;
- const elf_shdr *shdr;
+ ELF_HANDLE_DECL(elf_shdr) shdr;
int notes_found = 0;
if (argc != 2)
@@ -180,7 +180,7 @@ int main(int argc, char **argv)
count = elf_phdr_count(&elf);
for ( h=0; h < count; h++)
{
- const elf_phdr *phdr;
+ ELF_HANDLE_DECL(elf_phdr) phdr;
phdr = elf_phdr_by_index(&elf, h);
if (elf_uval(&elf, phdr, p_type) != PT_NOTE)
continue;
@@ -192,8 +192,8 @@ int main(int argc, char **argv)
continue;
notes_found = print_notes(&elf,
- elf_segment_start(&elf, phdr),
- elf_segment_end(&elf, phdr));
+ ELF_MAKE_HANDLE(elf_note, elf_segment_start(&elf, phdr)),
+ ELF_MAKE_HANDLE(elf_note, elf_segment_end(&elf, phdr)));
}
if ( notes_found == 0 )
@@ -201,13 +201,13 @@ int main(int argc, char **argv)
count = elf_shdr_count(&elf);
for ( h=0; h < count; h++)
{
- const elf_shdr *shdr;
+ ELF_HANDLE_DECL(elf_shdr) shdr;
shdr = elf_shdr_by_index(&elf, h);
if (elf_uval(&elf, shdr, sh_type) != SHT_NOTE)
continue;
notes_found = print_notes(&elf,
- elf_section_start(&elf, shdr),
- elf_section_end(&elf, shdr));
+ ELF_MAKE_HANDLE(elf_note, elf_section_start(&elf, shdr)),
+ ELF_MAKE_HANDLE(elf_note, elf_section_end(&elf, shdr)));
if ( notes_found )
fprintf(stderr, "using notes from SHT_NOTE section\n");
@@ -215,7 +215,7 @@ int main(int argc, char **argv)
}
shdr = elf_shdr_by_name(&elf, "__xen_guest");
- if (shdr)
+ if (ELF_HANDLE_VALID(shdr))
printf("__xen_guest: %s\n", (char*)elf_section_start(&elf, shdr));
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 17:46:15 +0000