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author | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:38:53 -0500 |
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committer | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:39:34 -0500 |
commit | f95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch) | |
tree | 75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/sys/sparc64/template_r.S | |
parent | f60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff) |
Import newlib and create makefile
Diffstat (limited to 'newlib/libc/sys/sparc64/template_r.S')
-rw-r--r-- | newlib/libc/sys/sparc64/template_r.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/newlib/libc/sys/sparc64/template_r.S b/newlib/libc/sys/sparc64/template_r.S new file mode 100644 index 0000000..8eaa4fc --- /dev/null +++ b/newlib/libc/sys/sparc64/template_r.S @@ -0,0 +1,26 @@ +/* reentrant system call template */ + +/* Lots of system calls are trivial functions, so we build their source files + from a template. New syscalls can be added simply by editing the + Makefile! + + The system calls aren't necessarily reentrant. If we were being used in + an embedded system they could be. Reentrant syscalls are also used, + however, to provide ANSI C namespace clean access to the host o/s. + + Usage: Compile this file with "func" set to the name of the syscall. */ + +#include "sys/syscallasm.h" + +#define concat(a,b) a##b +#define concat3(a,b,c) a##b##c +#define makesys(a) concat (SYS_, a) +#define make_r_fn(a) concat3 (_, a, _r) + +/* The leading _'s get turned into #'s by the Makefile. */ + +_ifdef REENT + defsyscall_r (make_r_fn (func), makesys (func)) +_else + defsyscall (func, makesys (func)) +_endif |