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linux-user: Add /proc/self/exe open forwarding 

QEMU already supports /proc/self/{maps,stat,auxv} so addition of
/proc/self/exe is rather trivial.

Fixes https://bugs.launchpad.net/qemu/+bug/1299190

Signed-off-by: Maxim Ostapenko <m.ostapenko@partner.samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Maxim Ostapenko 2014-05-02 11:17:07 +03:00 committed by Riku Voipio
parent fdaad4715a
commit aa07f5ecf9
1 changed files with 5 additions and 0 deletions
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5
linux-user/syscall.c
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@ -5225,6 +5225,11 @@ static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
{ NULL, NULL, NULL }
};
if (is_proc_myself(pathname, "exe")) {
int execfd = qemu_getauxval(AT_EXECFD);
return execfd ? execfd : get_errno(open(exec_path, flags, mode));
}
for (fake_open = fakes; fake_open->filename; fake_open++) {
if (fake_open->cmp(pathname, fake_open->filename)) {
break;