fridtjof/qemu-cr16
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

- some fixes for setrlimit() and write()

Browse source 
- fixes ELF loader when host page size is greater than target page size
 - add SO_LINGER to getsockopt()/setsockopt()
 - move TargetFdTrans from syscall.c
   v2: add "#include <linux/netlink.h>" in linux-user/fd-trans.c
 -----BEGIN PGP SIGNATURE-----
 
 iQIcBAABAgAGBQJbqp/BAAoJEPMMOL0/L748HUsP/R4XQMUEQqwvpnFDZwO2fSXQ
 0ndJrvhRtYhhA16e707eZLJ3GsAc4RgrgrcuN1Zou85Pj9MqJxv5Y9beJTNYpdmc
 ZGGcrmj/bMdxVjCSdH36NFaZH05UDKtgwLyqngI3lJ9Fe74QGJpA8MkySp/WLJnO
 12juWcoDZCzpGfxjPGtN5EXamN30zuoJKuhJB+I1d6KX7weSjVjFB1W4ABJOo2Ex
 jJMBpp1COXz3lYwu4qUqG/bbqToGCNQUnDIM6IPZdlj9TWb/1TFzmd16+EY/0lVz
 WZMXHQ4obWnCwvPOoAUyhgyoHwF2e7M9KmKMQe47RLnVY2G79GsP7NMuwVotJlZM
 CKd5EWEHCTMA7RBpDWt/DfYfuBhUZadfDoKxUYiMVieOQOl7S5tmVoOeWCTAjU7K
 OY5eD29ILZsN8/iIfvJHtIV5FzUzDjBxr9ia27AxGbfWf+4+F3WYvPHv6YFtfOe5
 qZ6w01hz6qay1j/t0cwdoEbUWfe9K6z8pRn1zgODS4PYE2d9x+IcnE23QHz4e3Y+
 B8jZK+02JAx1erq6eDTgLuQmHOeLKsEJeXJvMejpx85CFOZY9MidJ4kolrZj5aI2
 HnCZL3mRezpspbvkS0qvvMh/pCUNqLNSDHZMu71z7viX1MURYrlQJLb4vOUydlgv
 rtItfamBNO2wgPjkAAKq
 =ru6z
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-3.1-pull-request' into staging

- some fixes for setrlimit() and write()
- fixes ELF loader when host page size is greater than target page size
- add SO_LINGER to getsockopt()/setsockopt()
- move TargetFdTrans from syscall.c
  v2: add "#include <linux/netlink.h>" in linux-user/fd-trans.c

# gpg: Signature made Tue 25 Sep 2018 21:51:13 BST
# gpg:                using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>"
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>"
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>"
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-3.1-pull-request:
  linux-user: do setrlimit selectively
  linux-user: write(fd, NULL, 0) parity with linux's treatment of same
  linux-user: elf: mmap all the target-pages of hostpage for data segment
  linux-user: add SO_LINGER to {g,s}etsockopt
  linux-user: move TargetFdTrans functions to their own file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-09-28 11:22:36 +01:00
commit aa8e26de96
6 changed files with 1589 additions and 1453 deletions
Download patch file Download diff file Expand all files Collapse all files

10
linux-user/elfload.c
View file

@ -1439,7 +1439,10 @@ 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))
@ -2281,7 +2284,7 @@ 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;
@ -2291,8 +2294,9 @@ 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) {