Patchwork [v2] uclibc: fix compile error on i586

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Submitter Phil Blundell
Date June 10, 2011, 1:56 p.m.
Message ID <1307714169.25285.6.camel@phil-desktop>
Download mbox | patch
Permalink /patch/5637/
State New, archived
Headers show

Comments

Phil Blundell - June 10, 2011, 1:56 p.m.
Without this you get:

| libc/sysdeps/linux/common/epoll.c: In function '__libc_epoll_pwait':
| libc/sysdeps/linux/common/epoll.c:71:80: error: memory input 7 is not directly addressable
| libc/sysdeps/linux/common/epoll.c:75:86: error: memory input 7 is not directly addressable
| make: *** [libc/sysdeps/linux/common/epoll.o] Error 1

Signed-off-by: Phil Blundell <philb@gnu.org>
---
 .../uclibc/uclibc-git/epoll-asm-fix.patch          |   25 ++++++++++++++++++++
 meta/recipes-core/uclibc/uclibc_git.bb             |    1 +
 create mode 100644 meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch

Patch

diff --git a/meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch b/meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch
new file mode 100644
index 0000000..bcd834d
--- /dev/null
+++ b/meta/recipes-core/uclibc/uclibc-git/epoll-asm-fix.patch
@@ -0,0 +1,25 @@ 
+Fix a compile error due to last argument to syscall() not being memory addressable.
+
+Upstream-Status: Pending
+Signed-off-by: Phil Blundell <philb@gnu.org>
+
+diff --git a/libc/sysdeps/linux/common/epoll.c b/libc/sysdeps/linux/common/epoll.c
+index 85b0cfd..c034b2c 100644
+--- a/libc/sysdeps/linux/common/epoll.c
++++ b/libc/sysdeps/linux/common/epoll.c
+@@ -67,12 +67,13 @@ extern __typeof(epoll_pwait) __libc_epoll_pwait;
+ int __libc_epoll_pwait(int epfd, struct epoll_event *events, int maxevents,
+ 						int timeout, const sigset_t *set)
+ {
++	int nsig = _NSIG / 8;
+ 	if (SINGLE_THREAD_P)
+-		return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, _NSIG / 8);
++		return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig);
+ # ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ 	else {
+ 		int oldtype = LIBC_CANCEL_ASYNC ();
+-		int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, _NSIG / 8);
++		int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig);
+ 		LIBC_CANCEL_RESET (oldtype);
+ 		return result;
+ 	}
diff --git a/meta/recipes-core/uclibc/uclibc.inc b/meta/recipes-core/uclibc/uclibc.inc
index c1bc422..a2c6ee5 100644
diff --git a/meta/recipes-core/uclibc/uclibc_git.bb b/meta/recipes-core/uclibc/uclibc_git.bb
index eded2fb..54babca 100644
--- a/meta/recipes-core/uclibc/uclibc_git.bb
+++ b/meta/recipes-core/uclibc/uclibc_git.bb
@@ -29,5 +29,6 @@  SRC_URI = "git://uclibc.org/uClibc.git;branch=master;protocol=git \
 	file://remove_attribute_optimize_Os.patch \
 	file://append_UCLIBC_EXTRA_CFLAGS.patch \
 	file://compile-arm-fork-with-O2.patch \
+	file://epoll-asm-fix.patch \
 	"
 S = "${WORKDIR}/git"