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* [glibc/azanella/syscall-refactor] m68k: Add internal_syscall
@ 2020-06-29 21:46 Adhemerval Zanella
  0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2020-06-29 21:46 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=49a0944126ce26923bad35dd5a70b8ff78018c1a

commit 49a0944126ce26923bad35dd5a70b8ff78018c1a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Sat May 23 16:47:49 2020 -0300

    m68k: Add internal_syscall

Diff:
---
 sysdeps/m68k/nptl/tls.h                            |   4 +-
 sysdeps/unix/sysv/linux/m68k/____longjmp_chk.c     |   4 +-
 sysdeps/unix/sysv/linux/m68k/brk.c                 |   2 +-
 .../unix/sysv/linux/m68k/coldfire/atomic-machine.h |   2 +-
 sysdeps/unix/sysv/linux/m68k/getpagesize.c         |   4 +-
 sysdeps/unix/sysv/linux/m68k/m68k-helpers.c        |   2 +-
 sysdeps/unix/sysv/linux/m68k/sysdep.h              | 108 +++++++++++++++++++++
 7 files changed, 117 insertions(+), 9 deletions(-)

diff --git a/sysdeps/m68k/nptl/tls.h b/sysdeps/m68k/nptl/tls.h
index 68ea952e79..593150ebe1 100644
--- a/sysdeps/m68k/nptl/tls.h
+++ b/sysdeps/m68k/nptl/tls.h
@@ -97,9 +97,9 @@ typedef struct
   ({									\
     int _sys_result;							\
 									\
-    _sys_result = INTERNAL_SYSCALL_CALL (set_thread_area, 		\
+    _sys_result = internal_syscall (__NR_set_thread_area, 		\
 				    ((void *) (tcbp)) + TLS_TCB_OFFSET); \
-    INTERNAL_SYSCALL_ERROR_P (_sys_result) ? "unknown error" : NULL; })
+    _sys_result != 0 ? "unknown error" : NULL; })
 
 # define TLS_DEFINE_INIT_TP(tp, pd) \
   void *tp = (void *) (pd) + TLS_TCB_OFFSET + TLS_PRE_TCB_SIZE
diff --git a/sysdeps/unix/sysv/linux/m68k/____longjmp_chk.c b/sysdeps/unix/sysv/linux/m68k/____longjmp_chk.c
index 1e9c5259ab..98f5d68e86 100644
--- a/sysdeps/unix/sysv/linux/m68k/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/m68k/____longjmp_chk.c
@@ -25,8 +25,8 @@
     if ((unsigned long) (sp) < this_sp)					      \
       {									      \
 	stack_t oss;							      \
-	int result = INTERNAL_SYSCALL_CALL (sigaltstack, NULL, &oss);         \
-	if (!INTERNAL_SYSCALL_ERROR_P (result)				      \
+	int result = internal_syscall (__NR_sigaltstack, NULL, &oss);	      \
+	if (result == 0							      \
 	    && ((oss.ss_flags & SS_ONSTACK) == 0			      \
 		|| ((unsigned long) oss.ss_sp + oss.ss_size		      \
 		    - (unsigned long) (sp)) < oss.ss_size))		      \
diff --git a/sysdeps/unix/sysv/linux/m68k/brk.c b/sysdeps/unix/sysv/linux/m68k/brk.c
index ee88acbdc4..1f4408ea11 100644
--- a/sysdeps/unix/sysv/linux/m68k/brk.c
+++ b/sysdeps/unix/sysv/linux/m68k/brk.c
@@ -32,7 +32,7 @@ __brk (void *addr)
 {
   void *newbrk;
 
-  newbrk = (void *) INTERNAL_SYSCALL_CALL (brk, addr);
+  newbrk = (void *) internal_syscall (__NR_brk, addr);
   __curbrk = newbrk;
 
   if (newbrk < addr)
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
index ea05b00357..045a284db4 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
@@ -61,6 +61,6 @@ typedef uintmax_t uatomic_max_t;
   })
 
 # define atomic_full_barrier()				\
-  (INTERNAL_SYSCALL_CALL (atomic_barrier), (void) 0)
+  (internal_syscall (__NR_atomic_barrier), (void) 0)
 
 #endif
diff --git a/sysdeps/unix/sysv/linux/m68k/getpagesize.c b/sysdeps/unix/sysv/linux/m68k/getpagesize.c
index 99c83313d2..2e4a8075df 100644
--- a/sysdeps/unix/sysv/linux/m68k/getpagesize.c
+++ b/sysdeps/unix/sysv/linux/m68k/getpagesize.c
@@ -33,9 +33,9 @@ __getpagesize (void)
   if (GLRO(dl_pagesize) != 0)
     return GLRO(dl_pagesize);
 
-  result = INTERNAL_SYSCALL_CALL (getpagesize);
   /* The only possible error is ENOSYS.  */
-  if (!INTERNAL_SYSCALL_ERROR_P (result))
+  result = internal_syscall (__NR_getpagesize);
+  if (!__syscall_err (result))
     return result;
 
   return 4096;
diff --git a/sysdeps/unix/sysv/linux/m68k/m68k-helpers.c b/sysdeps/unix/sysv/linux/m68k/m68k-helpers.c
index 62809e3f5a..0287997454 100644
--- a/sysdeps/unix/sysv/linux/m68k/m68k-helpers.c
+++ b/sysdeps/unix/sysv/linux/m68k/m68k-helpers.c
@@ -21,5 +21,5 @@
 void *
 __m68k_read_tp (void)
 {
-  return (void*) INTERNAL_SYSCALL_CALL (get_thread_area);
+  return (void*) internal_syscall (__NR_get_thread_area);
 }
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.h b/sysdeps/unix/sysv/linux/m68k/sysdep.h
index 36e13569f1..9f4868eba6 100644
--- a/sysdeps/unix/sysv/linux/m68k/sysdep.h
+++ b/sysdeps/unix/sysv/linux/m68k/sysdep.h
@@ -291,6 +291,114 @@ SYSCALL_ERROR_LABEL:							      \
   LOAD_REGS_5
 #define ASM_ARGS_6	ASM_ARGS_5, "a" (_a0)
 
+static inline long int
+__internal_syscall0 (long int name)
+{
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0)
+		: "memory");
+  return d0;
+}
+
+static inline long int
+__internal_syscall1 (long int name, __syscall_arg_t arg1)
+{
+  register int d1 asm ("d1") = arg1;
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0), "d" (d1)
+		: "memory");
+  return d0;
+}
+
+static inline long int
+__internal_syscall2 (long int name, __syscall_arg_t arg1,
+		     __syscall_arg_t arg2)
+{
+  register int d1 asm ("d1") = arg1;
+  register int d2 asm ("d2") = arg2;
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0), "d" (d1), "d" (d2)
+		: "memory");
+  return d0;
+}
+
+static inline long int
+__internal_syscall3 (long int name, __syscall_arg_t arg1,
+		     __syscall_arg_t arg2, __syscall_arg_t arg3)
+{
+  register int d1 asm ("d1") = arg1;
+  register int d2 asm ("d2") = arg2;
+  register int d3 asm ("d3") = arg3;
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0), "d" (d1), "d" (d2), "d" (d3)
+		: "memory");
+  return d0;
+}
+
+static inline long int
+__internal_syscall4 (long int name, __syscall_arg_t arg1,
+		     __syscall_arg_t arg2, __syscall_arg_t arg3,
+		     __syscall_arg_t arg4)
+{
+  register int d1 asm ("d1") = arg1;
+  register int d2 asm ("d2") = arg2;
+  register int d3 asm ("d3") = arg3;
+  register int d4 asm ("d4") = arg4;
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0), "d" (d1), "d" (d2), "d" (d3), "d" (d4)
+		: "memory");
+  return d0;
+}
+
+static inline long int
+__internal_syscall5 (long int name, __syscall_arg_t arg1,
+		     __syscall_arg_t arg2, __syscall_arg_t arg3,
+		     __syscall_arg_t arg4, __syscall_arg_t arg5)
+{
+  register int d1 asm ("d1") = arg1;
+  register int d2 asm ("d2") = arg2;
+  register int d3 asm ("d3") = arg3;
+  register int d4 asm ("d4") = arg4;
+  register int d5 asm ("d5") = arg5;
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0), "d" (d1), "d" (d2), "d" (d3), "d" (d4), "d" (d5)
+		: "memory");
+  return d0;
+}
+
+static inline long int
+__internal_syscall6 (long int name, __syscall_arg_t arg1,
+		     __syscall_arg_t arg2, __syscall_arg_t arg3,
+		     __syscall_arg_t arg4, __syscall_arg_t arg5,
+		     __syscall_arg_t arg6)
+{
+  register int d1 asm ("d1") = arg1;
+  register int d2 asm ("d2") = arg2;
+  register int d3 asm ("d3") = arg3;
+  register int d4 asm ("d4") = arg4;
+  register int d5 asm ("d5") = arg5;
+  register int a0 asm ("a0") = arg6;
+  register int d0 asm ("d0") = name;
+  asm volatile ("trap #0"
+		: "=d" (d0)
+		: "0" (d0), "d" (d1), "d" (d2), "d" (d3), "d" (d4), "d" (d5),
+		  "a" (a0)
+		: "memory");
+  return d0;
+}
+
 #endif /* not __ASSEMBLER__ */
 
 /* Pointer mangling is not yet supported for M68K.  */


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