From d3f1e7e9ff9aae3f770b0bcb9aa3c2f787f76a1b Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Fri, 5 May 2017 09:07:15 +0200 Subject: [PATCH] user-exec: fix usage of mcontext structure on ARM/uClibc user-exec.c has some conditional code to decide how to use the mcontext structure. Unfortunately, since uClibc defines __GLIBC__, but with old versions of __GLIBC__ and __GLIBC_MINOR__, an old code path gets used, which doesn't apply to uClibc. Fix this by excluding __UCLIBC__, which ensures we fall back to the general case of using uc_mcontext.arm_pc, which works fine with uClibc. Signed-off-by: Thomas Petazzoni --- user-exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/user-exec.c b/user-exec.c index 6db0758..2b3d116 100644 --- a/user-exec.c +++ b/user-exec.c @@ -409,7 +409,7 @@ int cpu_signal_handler(int host_signum, void *pinfo, #if defined(__NetBSD__) pc = uc->uc_mcontext.__gregs[_REG_R15]; -#elif defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3)) +#elif defined(__GLIBC__) && !defined(__UCLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3)) pc = uc->uc_mcontext.gregs[R15]; #else pc = uc->uc_mcontext.arm_pc; -- 2.7.4