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-rw-r--r--linux-user/elfload.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 8638612aec..6ead0d11c6 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1437,7 +1437,10 @@ struct exec
#define QMAGIC 0314
/* Necessary parameters */
-#define TARGET_ELF_EXEC_PAGESIZE TARGET_PAGE_SIZE
+#define TARGET_ELF_EXEC_PAGESIZE \
+ (((eppnt->p_align & ~qemu_host_page_mask) != 0) ? \
+ TARGET_PAGE_SIZE : MAX(qemu_host_page_size, TARGET_PAGE_SIZE))
+#define TARGET_ELF_PAGELENGTH(_v) ROUND_UP((_v), TARGET_ELF_EXEC_PAGESIZE)
#define TARGET_ELF_PAGESTART(_v) ((_v) & \
~(abi_ulong)(TARGET_ELF_EXEC_PAGESIZE-1))
#define TARGET_ELF_PAGEOFFSET(_v) ((_v) & (TARGET_ELF_EXEC_PAGESIZE-1))
@@ -2279,7 +2282,7 @@ static void load_elf_image(const char *image_name, int image_fd,
for (i = 0; i < ehdr->e_phnum; i++) {
struct elf_phdr *eppnt = phdr + i;
if (eppnt->p_type == PT_LOAD) {
- abi_ulong vaddr, vaddr_po, vaddr_ps, vaddr_ef, vaddr_em;
+ abi_ulong vaddr, vaddr_po, vaddr_ps, vaddr_ef, vaddr_em, vaddr_len;
int elf_prot = 0;
if (eppnt->p_flags & PF_R) elf_prot = PROT_READ;
@@ -2289,8 +2292,9 @@ static void load_elf_image(const char *image_name, int image_fd,
vaddr = load_bias + eppnt->p_vaddr;
vaddr_po = TARGET_ELF_PAGEOFFSET(vaddr);
vaddr_ps = TARGET_ELF_PAGESTART(vaddr);
+ vaddr_len = TARGET_ELF_PAGELENGTH(eppnt->p_filesz + vaddr_po);
- error = target_mmap(vaddr_ps, eppnt->p_filesz + vaddr_po,
+ error = target_mmap(vaddr_ps, vaddr_len,
elf_prot, MAP_PRIVATE | MAP_FIXED,
image_fd, eppnt->p_offset - vaddr_po);
if (error == -1) {