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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-03 20:13:03 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-08-08 13:27:17 -0700 |
| commit | e3d97d5c5d4b357ff8e2e891c557e6cef752145a (patch) | |
| tree | 1d4775dc634632c7cab2213332d3a81e42a28351 /linux-user | |
| parent | 1f356e8c013f254b6471985bc929c8db1d08c44c (diff) | |
| download | qemu-e3d97d5c5d4b357ff8e2e891c557e6cef752145a.zip qemu-e3d97d5c5d4b357ff8e2e891c557e6cef752145a.tar.gz qemu-e3d97d5c5d4b357ff8e2e891c557e6cef752145a.tar.bz2 | |
linux-user: Do not adjust image mapping for host page size
Remove TARGET_ELF_EXEC_PAGESIZE, and 3 other TARGET_ELF_PAGE* macros
based off of that. Rely on target_mmap to handle guest vs host page
size mismatch.
Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 3553a3e..964b21f 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -1960,15 +1960,6 @@ struct exec #define ZMAGIC 0413 #define QMAGIC 0314 -/* Necessary parameters */ -#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)) - #define DLINFO_ITEMS 16 static inline void memcpy_fromfs(void * to, const void * from, unsigned long n) @@ -3241,8 +3232,8 @@ 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_po = vaddr & ~TARGET_PAGE_MASK; + vaddr_ps = vaddr & TARGET_PAGE_MASK; vaddr_ef = vaddr + eppnt->p_filesz; vaddr_em = vaddr + eppnt->p_memsz; @@ -3252,7 +3243,7 @@ static void load_elf_image(const char *image_name, int image_fd, * but no backing file segment. */ if (eppnt->p_filesz != 0) { - vaddr_len = TARGET_ELF_PAGELENGTH(eppnt->p_filesz + vaddr_po); + vaddr_len = 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); @@ -3268,7 +3259,7 @@ static void load_elf_image(const char *image_name, int image_fd, zero_bss(vaddr_ef, vaddr_em, elf_prot); } } else if (eppnt->p_memsz != 0) { - vaddr_len = TARGET_ELF_PAGELENGTH(eppnt->p_memsz + vaddr_po); + vaddr_len = eppnt->p_memsz + vaddr_po; error = target_mmap(vaddr_ps, vaddr_len, elf_prot, MAP_PRIVATE | MAP_FIXED | MAP_ANONYMOUS, -1, 0); |