[LTP] [PATCH v6 1/3] Refactor regen.sh script to generate syscalls

[Cyril Hrubis]

Hi!
> I was comparing the old include/lapi/syscalls.h (21579 lines) and the new one
> (20054). Having new file shorter is a bit surprising to me. I haven't found what
> is missing, probably I'm missing something myself :).

That is strange, I got exactly same content minus some whitespaces and
slightly different macros that check for arch support:

--- syscalls.h.old      2024-10-31 11:17:04.840217056 +0100
+++ syscalls.h  2024-10-31 11:23:38.326891830 +0100
@@ -1,3 +1,5 @@
+
+// SPDX-License-Identifier: GPL-2.0-or-later
 /************************************************
  * GENERATED FILE: DO NOT EDIT/PATCH THIS FILE  *
  *  change your arch specific .in file instead  *
@@ -6,8 +8,6 @@
 /*
  * Here we stick all the ugly *fallback* logic for linux
  * system call numbers (those __NR_ thingies).
- *
- * Licensed under the GPLv2 or later, see the COPYING file.
  */

 #ifndef LAPI_SYSCALLS_H__
@@ -19,30 +19,30 @@

 #ifdef TST_TEST_H__
 #define TST_SYSCALL_BRK__(NR, SNR) ({ \
-       tst_brk(TCONF, \
-               "syscall(%d) " SNR " not supported on your arch", NR); \
+tst_brk(TCONF, \
+       "syscall(%d) " SNR " not supported on your arch", NR); \
 })
 #else
 inline static void dummy_cleanup(void) {}

 #define TST_SYSCALL_BRK__(NR, SNR) ({ \
-       tst_brkm(TCONF, dummy_cleanup, \
-               "syscall(%d) " SNR " not supported on your arch", NR); \
+tst_brkm(TCONF, dummy_cleanup, \
+       "syscall(%d) " SNR " not supported on your arch", NR); \
 })
 #endif

 #define tst_syscall(NR, ...) ({ \
-       intptr_t tst_ret; \
-       if (NR == __LTP__NR_INVALID_SYSCALL) { \
-               errno = ENOSYS; \
-               tst_ret = -1; \
-       } else { \
-               tst_ret = syscall(NR, ##__VA_ARGS__); \
-       } \
-       if (tst_ret == -1 && errno == ENOSYS) { \
-               TST_SYSCALL_BRK__(NR, #NR); \
-       } \
-       tst_ret; \
+intptr_t tst_ret; \
+if (NR == __LTP__NR_INVALID_SYSCALL) { \
+       errno = ENOSYS; \
+       tst_ret = -1; \
+} else { \
+       tst_ret = syscall(NR, ##__VA_ARGS__); \
+} \
+if (tst_ret == -1 && errno == ENOSYS) { \
+       TST_SYSCALL_BRK__(NR, #NR); \
+} \
+tst_ret; \
 })

 #define __LTP__NR_INVALID_SYSCALL -1
@@ -6681,7 +6681,7 @@
 #endif


-#if defined(__mips__) && defined(_ABIN32)
+#ifdef __mips_n32__
 # ifndef __NR_read
 #  define __NR_read 6000
 # endif
@@ -7828,7 +7828,7 @@
 #endif


-#if defined(__mips__) && defined(_ABI64)
+#ifdef __mips_n64__
 # ifndef __NR_read
 #  define __NR_read 5000
 # endif
@@ -8903,7 +8903,7 @@
 #endif


-#if defined(__mips__) && defined(_ABIO32) && _MIPS_SZLONG == 32
+#ifdef __mips_o32__
 # ifndef __NR_syscall
 #  define __NR_syscall 4000
 # endif

-- 
Cyril Hrubis
chrubis@suse.cz