remove standalone syscall cruft

this was originally written for an early draft of the library where
non-standard functions would reside in a static library separate from
the shared libc.so, which would implement a pure standard. the idea
was not to depend on an implementation-dependent __syscall_ret
function in the main libc. but it turned out to be better to put
everything in a single library for both static and dynamic linking
uses, and thus the (incomplete) remnants of this feature were just
enlarging the source and binary.

12 files changed, 2 insertions, 32 deletions

diff --git a/arch/i386/syscall.h b/arch/i386/syscall.h
index c87401f3..ee871a9d 100644
--- a/arch/i386/syscall.h
+++ b/arch/i386/syscall.h
@@ -7,17 +7,7 @@
 
 #define SYSCALL_SIGSET_SIZE 8
 
-#if defined(SYSCALL_STANDALONE)
-#include <errno.h>
-static inline long __syscall_ret(unsigned long r)
-{
-	if (r >= (unsigned long)-1 - 4096) {
-		errno = -(long)r;
-		return -1;
-	}
-	return (long)r;
-}
-#elif defined(SYSCALL_NORETURN)
+#if defined(SYSCALL_NORETURN)
 static inline long __syscall_ret(unsigned long r)
 {
 	for(;;);
diff --git a/arch/x86_64/syscall.h b/arch/x86_64/syscall.h
index 0b04b29e..cfaa790f 100644
--- a/arch/x86_64/syscall.h
+++ b/arch/x86_64/syscall.h
@@ -4,17 +4,7 @@
 #define SYSCALL_LL(x) x, 0
 #define SYSCALL_SIGSET_SIZE 8
 
-#if defined(SYSCALL_STANDALONE)
-#include <errno.h>
-static inline long __syscall_ret(unsigned long r)
-{
-	if (r >= (unsigned long)-1 - 4096) {
-		errno = -(long)r;
-		return -1;
-	}
-	return (long)r;
-}
-#elif defined(SYSCALL_NORETURN)
+#if defined(SYSCALL_NORETURN)
 static inline long __syscall_ret(unsigned long r)
 {
 	for(;;);
diff --git a/src/linux/chroot.c b/src/linux/chroot.c
index b5af62dc..81363a6b 100644
--- a/src/linux/chroot.c
+++ b/src/linux/chroot.c
@@ -1,5 +1,4 @@
 #include <unistd.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int chroot(const char *path)
diff --git a/src/linux/klogctl.c b/src/linux/klogctl.c
index 6c288aff..976f29e3 100644
--- a/src/linux/klogctl.c
+++ b/src/linux/klogctl.c
@@ -1,4 +1,3 @@
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int klogctl (int type, char *buf, int len)
diff --git a/src/linux/mount.c b/src/linux/mount.c
index 61299d48..8e3cc122 100644
--- a/src/linux/mount.c
+++ b/src/linux/mount.c
@@ -1,5 +1,4 @@
 #include <sys/mount.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int mount(const char *special, const char *dir, const char *fstype, unsigned long flags, const void *data)
diff --git a/src/linux/sethostname.c b/src/linux/sethostname.c
index f61e0cb4..c94325e6 100644
--- a/src/linux/sethostname.c
+++ b/src/linux/sethostname.c
@@ -1,5 +1,4 @@
 #include <unistd.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int sethostname(const char *name, size_t len)
diff --git a/src/linux/swapoff.c b/src/linux/swapoff.c
index f6fa794e..4f19823f 100644
--- a/src/linux/swapoff.c
+++ b/src/linux/swapoff.c
@@ -1,5 +1,4 @@
 #include <sys/swap.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int swapoff(const char *path)
diff --git a/src/linux/swapon.c b/src/linux/swapon.c
index 13d2876b..5c75247f 100644
--- a/src/linux/swapon.c
+++ b/src/linux/swapon.c
@@ -1,5 +1,4 @@
 #include <sys/swap.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int swapon(const char *path, int flags)
diff --git a/src/linux/sysinfo.c b/src/linux/sysinfo.c
index 98669472..c61b7aa8 100644
--- a/src/linux/sysinfo.c
+++ b/src/linux/sysinfo.c
@@ -1,4 +1,3 @@
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 struct sysinfo;
diff --git a/src/linux/utimes.c b/src/linux/utimes.c
index 99a3b2b8..59ee1a81 100644
--- a/src/linux/utimes.c
+++ b/src/linux/utimes.c
@@ -1,5 +1,4 @@
 #include <sys/time.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 int utimes(const char *path, const struct timeval times[2])
diff --git a/src/linux/wait3.c b/src/linux/wait3.c
index dd63707c..d1d91b05 100644
--- a/src/linux/wait3.c
+++ b/src/linux/wait3.c
@@ -1,6 +1,5 @@
 #include <sys/wait.h>
 #include <sys/resource.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 pid_t wait4(pid_t, int *, int, struct rusage *);
diff --git a/src/linux/wait4.c b/src/linux/wait4.c
index dda942d3..5dd505a9 100644
--- a/src/linux/wait4.c
+++ b/src/linux/wait4.c
@@ -1,7 +1,6 @@
 #include <sys/wait.h>
 #include <sys/resource.h>
 #include <string.h>
-#define SYSCALL_STANDALONE
 #include "syscall.h"
 
 pid_t wait4(pid_t pid, int *status, int options, struct rusage *usage)