diff options
Diffstat (limited to 'sys-apps/systemd/files/238-sparc-raw-clone.patch')
| -rw-r--r-- | sys-apps/systemd/files/238-sparc-raw-clone.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sys-apps/systemd/files/238-sparc-raw-clone.patch b/sys-apps/systemd/files/238-sparc-raw-clone.patch new file mode 100644 index 000000000000..736a498e918c --- /dev/null +++ b/sys-apps/systemd/files/238-sparc-raw-clone.patch @@ -0,0 +1,42 @@ +From e4aa2c34d526c108dd8fa37448b19bdb38de52c9 Mon Sep 17 00:00:00 2001 +From: Mike Gilbert <floppym@gentoo.org> +Date: Thu, 24 May 2018 10:48:55 -0400 +Subject: [PATCH] basic: fix raw_clone() on 32-bit sparc + +The clone syscall uses the same semantics as on 64-bit. The trap number +for syscall entry is different. + +Bug: https://bugs.gentoo.org/656368 +--- + src/basic/raw-clone.h | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/src/basic/raw-clone.h b/src/basic/raw-clone.h +index d8a68663180..d35540903ab 100644 +--- a/src/basic/raw-clone.h ++++ b/src/basic/raw-clone.h +@@ -39,10 +39,10 @@ static inline pid_t raw_clone(unsigned long flags) { + /* On s390/s390x and cris the order of the first and second arguments + * of the raw clone() system call is reversed. */ + ret = (pid_t) syscall(__NR_clone, NULL, flags); +-#elif defined(__sparc__) && defined(__arch64__) ++#elif defined(__sparc__) + { + /** +- * sparc64 always returns the other process id in %o0, and ++ * sparc always returns the other process id in %o0, and + * a boolean flag whether this is the child or the parent in + * %o1. Inline assembly is needed to get the flag returned + * in %o1. +@@ -52,7 +52,11 @@ static inline pid_t raw_clone(unsigned long flags) { + asm volatile("mov %2, %%g1\n\t" + "mov %3, %%o0\n\t" + "mov 0 , %%o1\n\t" ++#if defined(__arch64__) + "t 0x6d\n\t" ++#else ++ "t 0x10\n\t" ++#endif + "mov %%o1, %0\n\t" + "mov %%o0, %1" : + "=r"(in_child), "=r"(child_pid) : |