From 5e96c73d5dfbdea8d0be82b7f3fc8d6735e5dfa7 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sun, 17 Jan 2010 17:07:48 -0500 Subject: [PATCH] add a generic syscall() fallback Signed-off-by: Mike Frysinger --- src/syscall-generic.h | 29 +++++++++++++++++++++++++++++ src/syscall.h | 3 ++- 2 files changed, 31 insertions(+), 1 deletions(-) create mode 100644 src/syscall-generic.h diff --git a/src/syscall-generic.h b/src/syscall-generic.h new file mode 100644 index 0000000..24d7c7c --- /dev/null +++ b/src/syscall-generic.h @@ -0,0 +1,29 @@ +#include +#include +#include + +#define _body_io_syscall(sname, args...) \ +{ \ + int ret = syscall(__NR_##sname, ## args); \ + return ret < 0 ? -errno : ret; \ +} + +#define io_syscall1(type,fname,sname,type1,arg1) \ +type fname(type1 arg1) \ +_body_io_syscall(sname, (long)arg1) + +#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \ +type fname(type1 arg1,type2 arg2) \ +_body_io_syscall(sname, (long)arg1, (long)arg2) + +#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \ +type fname(type1 arg1,type2 arg2,type3 arg3) \ +_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3) + +#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4) + +#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, type5,arg5) \ +type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ +_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4, (long)arg5) diff --git a/src/syscall.h b/src/syscall.h index 78becfe..d954af0 100644 --- a/src/syscall.h +++ b/src/syscall.h @@ -25,5 +25,6 @@ #elif defined(__arm__) #include "syscall-arm.h" #else -#error "add syscall-arch.h" +#warning "using generic syscall method" +#include "syscall-generic.h" #endif -- 1.7.3.1