tinystdio: added fgetpos and fsetpos files

.github/do-linux

@@ -7,6 +7,7 @@ HERE=`dirname "$0"`
 "$HERE"/do-test clang-thumbv7e+dp "$@"
 "$HERE"/do-test clang-thumbv7m "$@"
 "$HERE"/do-test clang-thumbv6m "$@"
+"$HERE"/do-test clang-aarch64 "$@"
 "$HERE"/do-build mips "$@"
 "$HERE"/do-build mips64 "$@"
 "$HERE"/do-build mipsel "$@"

.github/linux-files.txt

@@ -4,3 +4,4 @@ https://maps.altusmetrum.org/m68k-unknown-elf.tar.xz
 https://maps.altusmetrum.org/msp430-unknown-elf.tar.xz
 https://maps.altusmetrum.org/sh-unknown-elf-1.tar.xz
 https://maps.altusmetrum.org/qemu-arm.tar.xz
+https://maps.altusmetrum.org/aarch64-none-elf-llvm.tar.xz

CMakeLists.txt

@@ -513,7 +513,6 @@ set(PREFIX "${PROJECT_BINARY_DIR}")
 configure_file(picolibc.specs.in "${PROJECT_BINARY_DIR}/picolibc.specs" @ONLY)
 
 set(PICOLIBC_COMPILE_OPTIONS
-  "-include" "${PICOLIBC_INCLUDE}/picolibc.h"
   "-nostdlib"
   "-D_LIBC"
   ${TLSMODEL}

COPYING.picolibc

@@ -2755,7 +2755,6 @@ Files: .clang-format
  newlib/libm/ld/files
  newlib/libm/libm.in.xml
  newlib/man.xsl
- newlib/newlib.hin
  newlib/refcontainers.xslt
  newlib/testsuite/newlib.time/tzset.c
  picolibc.h.in

dummyhost/exit.c

@@ -33,7 +33,7 @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <stdio.h>
+#include <unistd.h>
 
 void  _ATTRIBUTE((__noreturn__))
 _exit(int code)

meson.build

@@ -184,7 +184,7 @@ newlib_nano_malloc = get_option('newlib-nano-malloc')
 lite_exit = get_option('lite-exit')
 
 newlib_elix_level = get_option('newlib-elix-level')
-c_args = ['-include', '@0@/@1@'.format(meson.current_build_dir(), 'picolibc.h')] + core_c_args
+c_args = core_c_args
 native_common_args = ['-DNO_NEWLIB']
 
 if get_option('profile')
@@ -198,7 +198,7 @@ endif
 if have_cplusplus
   cpp_args = c_args
   cpp_flags = cpp.get_supported_arguments(['-fno-common', '-frounding-math', '-fsignaling-nans',
-				           '-Wno-unsupported-floating-point-opt', '-fno-stack-protector',
+				           '-Wno-unsupported-floating-point-opt',
 				           '-fno-builtin-copysignl'])
   cpp_args += cpp_flags
   native_cpp_args = native_common_args + cpp_flags
@@ -207,7 +207,7 @@ endif
 # Disable ssp and fortify source while building picolibc (it's enabled
 # by default by the ubuntu native compiler)
 c_flags = cc.get_supported_arguments(['-fno-common', '-frounding-math', '-fsignaling-nans',
-				      '-Wno-unsupported-floating-point-opt', '-fno-stack-protector',
+				      '-Wno-unsupported-floating-point-opt',
 				      '-fno-builtin-copysignl'])
 
 c_sanitize_bounds_flags = cc.get_supported_arguments(['-fsanitize=bounds'])
@@ -297,6 +297,7 @@ posix_console = tinystdio and get_option('posix-console')
 posix_io = tinystdio and (get_option('posix-io') or posix_console)
 io_float_exact = not tinystdio or get_option('io-float-exact')
 atomic_ungetc = tinystdio and get_option('atomic-ungetc')
+atomic_signal = get_option('atomic-signal')
 format_default = get_option('format-default')
 printf_aliases = get_option('printf-aliases')
 io_percent_b = tinystdio and get_option('io-percent-b')
@@ -788,6 +789,8 @@ common_warnings = [
   '-Wno-missing-braces',
   '-Wno-return-type',
   '-Wno-unused-command-line-argument',
+  '-Wmissing-prototypes',
+  '-Wmissing-declarations',
 ]
 if get_option('analyzer')
   common_warnings += [
@@ -816,11 +819,13 @@ else
 endif
 test_c_args += [test_fortify_arg]
 
+c_args += cc.get_supported_arguments(['-fno-stack-protector'])
+
 if have_cplusplus
   cpp_warnings = common_warnings
   cpp_flags = cpp.get_supported_arguments(cpp_warnings)
   cpp_args += cpp_flags
-  cpp_flags = cpp.get_supported_arguments(['-fno-exceptions', '-fno-unwind-tables'])
+  cpp_flags = cpp.get_supported_arguments(['-fno-exceptions', '-fno-unwind-tables', '-fno-stack-protector'])
   cpp_args += cpp_flags
   test_cpp_args = cpp_args + [test_fortify_arg]
 endif
@@ -1331,7 +1336,7 @@ conf_data.set('_HAVE_PICOLIBC_TLS_RP2040', get_option('tls-rp2040'),
 conf_data.set('POSIX_IO', posix_io, description: 'Use open/close/read/write in tinystdio')
 conf_data.set('_PRINTF_SMALL_ULTOA', printf_small_ultoa, description: 'avoid software division in decimal conversion')
 conf_data.set('ATOMIC_UNGETC', atomic_ungetc, description: 'Use atomics for fgetc/ungetc for re-entrancy')
-conf_data.set('_PICOLIBC_ATOMIC_SIGNAL', get_option('atomic-signal'), description: 'Use atomics for signal/raise for re-entrancy')
+conf_data.set('_PICOLIBC_ATOMIC_SIGNAL', atomic_signal, description: 'Use atomics for signal/raise for re-entrancy')
 conf_data.set('_HAVE_BITFIELDS_IN_PACKED_STRUCTS', have_bitfields_in_packed_structs, description: 'Use bitfields in packed structs')
 conf_data.set('_HAVE_BUILTIN_MUL_OVERFLOW', have_builtin_mul_overflow, description: 'Compiler has __builtin_mul_overflow')
 conf_data.set('_HAVE_BUILTIN_ADD_OVERFLOW', have_builtin_add_overflow, description: 'Compiler has __builtin_add_overflow')
@@ -1583,6 +1588,10 @@ if tests_enable_stack_protector
   endif
 endif
 
+if not tests_enable_stack_protector
+  test_c_args += cc.get_supported_arguments(['-fno-stack-protector'])
+endif
+
 if have_long_double and get_option('test-long-double')
   test_c_args += ['-D_TEST_LONG_DOUBLE']
   native_c_args += ['-D_TEST_LONG_DOUBLE']
@@ -1647,7 +1656,7 @@ if has_semihost
     endif
 
     set_variable(test_link_args_variable,
-		 ['-nostartfiles', '-T', picolibc_ld_string,
+		 ['-nostdlib', '-T', picolibc_ld_string,
 		  lib_gcc] + additional_libs_list + specs_line)
 
     set_variable(test_linker_files_variable, [picolibc_ld_value])

newlib/libc/ctype/ctype_.h

@@ -3,3 +3,5 @@
 
 # define DEFAULT_CTYPE_PTR	((char *) _ctype_)
 
+void
+__set_ctype (struct __locale_t *loc, const char *charset);

newlib/libc/ctype/isascii.c

@@ -64,6 +64,7 @@ PORTABILITY
 
 No supporting OS subroutines are required.
 */
+#define _DEFAULT_SOURCE
 #include <ctype.h>
 
 #undef isascii

newlib/libc/ctype/iswalnum_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswalpha_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswblank_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswcntrl_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswlower_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswprint_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswpunct_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswspace_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/iswupper_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/ctype/jp2uc.c

@@ -30,7 +30,7 @@
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-#include <newlib.h>
+#include <picolibc.h>
 
 #ifdef _MB_CAPABLE
 /* Under Cygwin, the incoming wide character is already given in UTF due

newlib/libc/ctype/toascii.c

@@ -64,6 +64,7 @@ POSIX-1.2008.
 No supporting OS subroutines are required.
 */
 
+#define _GNU_SOURCE
 #include <_ansi.h>
 #include <ctype.h>
 #undef toascii

newlib/libc/ctype/towctrans_l.c

@@ -3,6 +3,7 @@ Copyright (c) 2016 Corinna Vinschen <[email protected]>
 Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
  */
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
+#define _DEFAULT_SOURCE
 #include <_ansi.h>
 #include <wctype.h>
 #include <stdint.h>

newlib/libc/ctype/towlower_l.c

@@ -5,7 +5,6 @@ Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling
 /* Modified (m) 2017 Thomas Wolff: revise Unicode and locale/wchar handling */
 #define _DEFAULT_SOURCE
 #include <_ansi.h>
-#include <newlib.h>
 #include <wctype.h>
 #include "local.h"
 

newlib/libc/ctype/towupper.c

@@ -66,7 +66,6 @@ No supporting OS subroutines are required.
 */
 
 #include <_ansi.h>
-#include <newlib.h>
 #include <string.h>
 #include <ctype.h>
 #include <wctype.h>

newlib/libc/iconv/ccs/ccsbi.h

@@ -5,7 +5,6 @@
 #ifndef __CCSBI_H__
 #define __CCSBI_H__
 
-#include <newlib.h>
 #include <_ansi.h>
 #include "ccs.h"
 

newlib/libc/iconv/ces/cesbi.c

@@ -2,8 +2,6 @@
  * This file was automatically generated mkdeps.pl script. Don't edit.
  */
 
-#include <_ansi.h>
-#include <newlib.h>
 #include "../lib/ucsconv.h"
 #include "cesbi.h"
 

newlib/libc/iconv/ces/cesbi.h

@@ -5,7 +5,6 @@
 #ifndef __CESBI_H__
 #define __CESBI_H__
 
-#include <newlib.h>
 #include <_ansi.h>
 #include "../lib/encnames.h"
 #include "../lib/ucsconv.h"

newlib/libc/iconv/ces/euc.c

@@ -28,15 +28,11 @@
 #if defined (ICONV_TO_UCS_CES_EUC) \
  || defined (ICONV_FROM_UCS_CES_EUC)
 
-#include <_ansi.h>
-#include <newlib.h>
 #include <string.h>
 #include <stdlib.h>
 #include <limits.h>
 #include <sys/types.h>
 #include "../lib/local.h"
-#include "../lib/ucsconv.h"
-#include "../lib/encnames.h"
 #include "../ccs/ccsnames.h"
 
 #define TYPE_EUC_JP 0

newlib/libc/iconv/ces/mkdeps.pl

@@ -472,7 +472,6 @@ ($$)
   print CESBI_H "$comment_automatic\n\n";
   print CESBI_H "#ifndef __CESBI_H__\n";
   print CESBI_H "#define __CESBI_H__\n\n";
-  print CESBI_H "#include <newlib.h>\n";
   print CESBI_H "#include <_ansi.h>\n";
   print CESBI_H "#include \"../lib/encnames.h\"\n";
   print CESBI_H "#include \"../lib/ucsconv.h\"\n\n";
@@ -707,7 +706,6 @@ ($)
   print CCSBI_H "$comment_automatic\n\n";
   print CCSBI_H "#ifndef __CCSBI_H__\n";
   print CCSBI_H "#define __CCSBI_H__\n\n";
-  print CCSBI_H "#include <newlib.h>\n";
   print CCSBI_H "#include <_ansi.h>\n";
   print CCSBI_H "#include \"ccs.h\"\n\n";
   print CCSBI_H "/*\n";
@@ -781,7 +779,6 @@ ($)
 
   print CESBI_C "$comment_automatic\n\n";
   print CESBI_C "#include <_ansi.h>\n";
-  print CESBI_C "#include <newlib.h>\n";
   print CESBI_C "#include \"../lib/ucsconv.h\"\n";
   print CESBI_C "#include \"cesbi.h\"\n\n";
   print CESBI_C "/*\n";

newlib/libc/iconv/ces/table.c

@@ -28,8 +28,6 @@
 #if defined (ICONV_TO_UCS_CES_TABLE) \
  || defined (ICONV_FROM_UCS_CES_TABLE)
 
-#include <_ansi.h>
-#include <newlib.h>
 #include <sys/types.h>
 #include <string.h>
 #include <stdlib.h>
@@ -38,7 +36,6 @@
 #include <sys/iconvnls.h>
 #include "../lib/endian.h"
 #include "../lib/local.h"
-#include "../lib/ucsconv.h"
 #include "../ccs/ccs.h"
 
 /*

newlib/libc/iconv/lib/aliasesi.c

@@ -24,7 +24,6 @@
  */
 #define _DEFAULT_SOURCE
 #include <_ansi.h>
-#include <newlib.h>
 #include <sys/types.h>
 #include <string.h>
 #include <stdlib.h>

newlib/libc/iconv/lib/iconvnls.c

@@ -23,7 +23,6 @@
  * SUCH DAMAGE.
  */
 #include <_ansi.h>
-#include <newlib.h>
 #include <sys/types.h>
 #include <string.h>
 #include <stdlib.h>

newlib/libc/iconv/lib/iconvnls.h

@@ -25,7 +25,7 @@ SUCH DAMAGE.
 #ifndef __ICONV_ICONVNLS_H__
 #define __ICONV_ICONVNLS_H__
 
-#include <newlib.h>
+#include <stdint.h>
 
 /*
  * Include ucs-2-internal or ucs-4-internal if Newlib is configured as

newlib/libc/include/_ansi.h

@@ -40,7 +40,6 @@ SUCH DAMAGE.
 #ifndef	_ANSIDECL_H_
 #define	_ANSIDECL_H_
 
-#include <newlib.h>
 #include <sys/config.h>
 
 /*  ISO C++.  */

newlib/libc/include/inttypes.h

@@ -13,7 +13,6 @@
 #ifndef _INTTYPES_H
 #define _INTTYPES_H
 
-#include <newlib.h>
 #include <sys/config.h>
 #include <sys/_intsup.h>
 #include "_ansi.h"
@@ -33,9 +32,9 @@
 #define __PRI8FAST(x) __FAST8 __STRINGIFY(x)
 
 /* NOTICE: scanning 8-bit types requires use of the hh specifier
- * which is only supported on newlib platforms that
+ * which is only supported on picolibc platforms that
  * are built with C99 I/O format support enabled.  If the flag in
- * newlib.h hasn't been set during configuration to indicate this, the 8-bit
+ * picolibc.h hasn't been set during configuration to indicate this, the 8-bit
  * scanning format macros are disabled here as they result in undefined
  * behaviour which can include memory overwrite.  Overriding the flag after the
  * library has been built is not recommended as it will expose the underlying

newlib/libc/include/limits.h

@@ -2,7 +2,6 @@
 #ifndef _LIBC_LIMITS_H_
 # define _LIBC_LIMITS_H_	1
 
-#include <newlib.h>
 #include <sys/cdefs.h>
 #include <sys/syslimits.h>