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author | Richard Henderson <rth@twiddle.net> | 2013-10-15 15:00:36 -0700 |
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committer | Richard Henderson <rth@twiddle.net> | 2013-11-30 07:48:46 +1300 |
commit | 0b959cf5e4cce08ed96bd7832447e1543cd3622f (patch) | |
tree | 19f68d431357bd4325cb7c3414ac775ee38cca98 /linux-user | |
parent | 664d2c4458a268eb176a223c397453a72ed167f4 (diff) | |
download | qemu-0b959cf5e4cce08ed96bd7832447e1543cd3622f.zip qemu-0b959cf5e4cce08ed96bd7832447e1543cd3622f.tar.gz qemu-0b959cf5e4cce08ed96bd7832447e1543cd3622f.tar.bz2 |
linux-user: Use qemu_getauxval for AT_EXECFD
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'linux-user')
-rw-r--r-- | linux-user/main.c | 32 |
1 files changed, 6 insertions, 26 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 50db755..54f71fe 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -3663,26 +3663,6 @@ static int parse_args(int argc, char **argv) return optind; } -static int get_execfd(char **envp) -{ - typedef struct { - long a_type; - long a_val; - } auxv_t; - auxv_t *auxv; - - while (*envp++ != NULL) { - ; - } - - for (auxv = (auxv_t *)envp; auxv->a_type != AT_NULL; auxv++) { - if (auxv->a_type == AT_EXECFD) { - return auxv->a_val; - } - } - return -1; -} - int main(int argc, char **argv, char **envp) { struct target_pt_regs regs1, *regs = ®s1; @@ -3876,13 +3856,13 @@ int main(int argc, char **argv, char **envp) env->opaque = ts; task_settid(ts); - execfd = get_execfd(envp); - if (execfd < 0) { + execfd = qemu_getauxval(AT_EXECFD); + if (execfd == 0) { execfd = open(filename, O_RDONLY); - } - if (execfd < 0) { - printf("Error while loading %s: %s\n", filename, strerror(-execfd)); - _exit(1); + if (execfd < 0) { + printf("Error while loading %s: %s\n", filename, strerror(errno)); + _exit(1); + } } ret = loader_exec(execfd, filename, target_argv, target_environ, regs, |