diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index e44bdb17b8..88fccfe261 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -124,10 +124,14 @@ static void usage(int exitcode); static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; const char *qemu_uname_release; +#if !defined(TARGET_DEFAULT_STACK_SIZE) /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so we allocate a bigger stack. Need a better solution, for example by remapping the process stack directly at the right place */ -unsigned long guest_stack_size = 8 * 1024 * 1024UL; +#define TARGET_DEFAULT_STACK_SIZE 8 * 1024 * 1024UL +#endif + +unsigned long guest_stack_size = TARGET_DEFAULT_STACK_SIZE; /***********************************************************/ /* Helper routines for implementing atomic operations. */ @@ -668,7 +672,8 @@ int main(int argc, char **argv, char **envp) struct rlimit lim; if (getrlimit(RLIMIT_STACK, &lim) == 0 && lim.rlim_cur != RLIM_INFINITY - && lim.rlim_cur == (target_long)lim.rlim_cur) { + && lim.rlim_cur == (target_long)lim.rlim_cur + && lim.rlim_cur > guest_stack_size) { guest_stack_size = lim.rlim_cur; } } |