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-rw-r--r--libc/sysdeps/Makefile10
-rw-r--r--libc/sysdeps/README6
-rw-r--r--libc/sysdeps/linux/Makefile20
-rw-r--r--libc/sysdeps/linux/README7
-rw-r--r--libc/sysdeps/linux/common/Makefile24
-rw-r--r--libc/sysdeps/linux/common/getdnnm.c24
-rw-r--r--libc/sysdeps/linux/common/gethstnm.c24
-rw-r--r--libc/sysdeps/linux/common/getpagesize.c38
-rw-r--r--libc/sysdeps/linux/common/kernel_version.c95
-rw-r--r--libc/sysdeps/linux/common/mkfifo.c34
-rw-r--r--libc/sysdeps/linux/common/setegid.c6
-rw-r--r--libc/sysdeps/linux/common/seteuid.c22
-rw-r--r--libc/sysdeps/linux/common/setpgrp.c11
-rw-r--r--libc/sysdeps/linux/common/tell.c15
-rw-r--r--libc/sysdeps/linux/common/wait.c12
-rw-r--r--libc/sysdeps/linux/common/wait3.c12
-rw-r--r--libc/sysdeps/linux/common/waitpid.c13
-rw-r--r--libc/sysdeps/linux/i386/Makefile29
-rw-r--r--libc/sysdeps/linux/i386/setjmp.S88
19 files changed, 490 insertions, 0 deletions
diff --git a/libc/sysdeps/Makefile b/libc/sysdeps/Makefile
new file mode 100644
index 000000000..cdd7e4e24
--- /dev/null
+++ b/libc/sysdeps/Makefile
@@ -0,0 +1,10 @@
+all: linux
+
+linux: dummy
+ make -C linux
+
+clean:
+ rm -f *.o
+ make -C linux clean
+
+.PHONY: dummy
diff --git a/libc/sysdeps/README b/libc/sysdeps/README
new file mode 100644
index 000000000..ca9cb29f0
--- /dev/null
+++ b/libc/sysdeps/README
@@ -0,0 +1,6 @@
+This directory level abstracts out the UN*X-like Operating System dependent
+features of uC-Libc for all UN*X-like operating systems. If you wanted to port
+uC-Libc to some other UN*X-like OS, this is the place to add that support.
+
+If you want to port uC-Libc to support some non-UN*X-like Operating System, you
+should probably stop using crack. It is bad for you. ;-)
diff --git a/libc/sysdeps/linux/Makefile b/libc/sysdeps/linux/Makefile
new file mode 100644
index 000000000..a81bb9a21
--- /dev/null
+++ b/libc/sysdeps/linux/Makefile
@@ -0,0 +1,20 @@
+# Figure out what arch to build...
+
+ARCH = $(shell uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/')
+
+all: $(ARCH) common
+
+$(ARCH): dummy
+ echo Building for ARCH=$(ARCH)
+ make -C $(ARCH)
+
+common: dummy
+ echo Building common stuff
+ make -C common
+
+clean:
+ rm -f *.o
+ make -C common clean
+ make -C $(ARCH) clean
+
+.PHONY: dummy
diff --git a/libc/sysdeps/linux/README b/libc/sysdeps/linux/README
new file mode 100644
index 000000000..52eb09254
--- /dev/null
+++ b/libc/sysdeps/linux/README
@@ -0,0 +1,7 @@
+This directory level abstracts out the Linux Operating System dependent
+features of uC-Libc for suported Linux architectures/CPUs. If you wanted to
+port uC-Libc to some new Linux architecture (arm, mips, etc), this is the place
+to add that support.
+
+All the common stuff that is not at all dependent on a particular Linux architecture
+goes in the 'common' directory.
diff --git a/libc/sysdeps/linux/common/Makefile b/libc/sysdeps/linux/common/Makefile
new file mode 100644
index 000000000..eac2dc3b4
--- /dev/null
+++ b/libc/sysdeps/linux/common/Makefile
@@ -0,0 +1,24 @@
+# Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk>
+# This file is part of the Linux-8086 C library and is distributed
+# under the GNU Library General Public License.
+
+TOPDIR=../../../
+include $(TOPDIR)Rules.make
+
+CFLAGS+= -D_GCC_LIMITS_H_
+
+LIBC=$(TOPDIR)libc.a
+
+include makefile.objs
+
+all: $(LIBC)
+
+$(LIBC): $(OBJ)
+ $(AR) $(ARFLAGS) $@ $(OBJ)
+
+transfer:
+ -@rm -f ../include/stdio.h
+ cp -p stdio.h ../include/.
+
+clean:
+ rm -f *.o
diff --git a/libc/sysdeps/linux/common/getdnnm.c b/libc/sysdeps/linux/common/getdnnm.c
new file mode 100644
index 000000000..fdcbb0f3a
--- /dev/null
+++ b/libc/sysdeps/linux/common/getdnnm.c
@@ -0,0 +1,24 @@
+#include <string.h>
+#include <unistd.h>
+#include <sys/utsname.h>
+#include <errno.h>
+
+int
+getdomainname(char *name, size_t len)
+{
+ struct utsname uts;
+
+ if (name == NULL) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (uname(&uts) == -1) return -1;
+
+ if (strlen(uts.domainname)+1 > len) {
+ errno = EINVAL;
+ return -1;
+ }
+ strcpy(name, uts.domainname);
+ return 0;
+}
diff --git a/libc/sysdeps/linux/common/gethstnm.c b/libc/sysdeps/linux/common/gethstnm.c
new file mode 100644
index 000000000..0728f65a4
--- /dev/null
+++ b/libc/sysdeps/linux/common/gethstnm.c
@@ -0,0 +1,24 @@
+#include <string.h>
+#include <unistd.h>
+#include <sys/utsname.h>
+#include <errno.h>
+
+int
+gethostname(char *name, size_t len)
+{
+ struct utsname uts;
+
+ if (name == NULL) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (uname(&uts) == -1) return -1;
+
+ if (strlen(uts.nodename)+1 > len) {
+ errno = EINVAL;
+ return -1;
+ }
+ strcpy(name, uts.nodename);
+ return 0;
+}
diff --git a/libc/sysdeps/linux/common/getpagesize.c b/libc/sysdeps/linux/common/getpagesize.c
new file mode 100644
index 000000000..708fdd06e
--- /dev/null
+++ b/libc/sysdeps/linux/common/getpagesize.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <unistd.h>
+#include <sys/param.h>
+
+/* Return the system page size. */
+int getpagesize ()
+{
+#ifdef EXEC_PAGESIZE
+ return EXEC_PAGESIZE;
+#else /* No EXEC_PAGESIZE. */
+#ifdef NBPG
+#ifndef CLSIZE
+#define CLSIZE 1
+#endif /* No CLSIZE. */
+ return NBPG * CLSIZE;
+#else /* No NBPG. */
+ return NBPC;
+#endif /* NBPG. */
+#endif /* EXEC_PAGESIZE. */
+}
+
diff --git a/libc/sysdeps/linux/common/kernel_version.c b/libc/sysdeps/linux/common/kernel_version.c
new file mode 100644
index 000000000..dacc4f0f7
--- /dev/null
+++ b/libc/sysdeps/linux/common/kernel_version.c
@@ -0,0 +1,95 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <string.h>
+#include <sys/utsname.h>
+#include <sys/param.h>
+
+static int __linux_kernel_version = -1;
+
+static inline int
+asc2int (const char *s)
+{
+ int result = 0;
+
+ for (; *s >= '0' && *s <= '9'; s++)
+ {
+ result = result * 10 + (*s - '0');
+ }
+
+ return result;
+}
+
+static int
+set_linux_kernel_version (void)
+{
+ struct utsname uts;
+ char *version = NULL, *patchlevel = NULL, *sublevel = NULL;
+
+ if (uname (&uts))
+ {
+ __linux_kernel_version = 0;
+ return __linux_kernel_version;
+ }
+
+ version = uts.release;
+ if (version != NULL)
+ {
+ patchlevel = strchr (version, '.');
+ if (patchlevel != NULL)
+ {
+ *patchlevel = '\0';
+ patchlevel++;
+ sublevel = strchr (patchlevel, '.');
+ if (sublevel != NULL)
+ {
+ *sublevel = '\0';
+ sublevel++;
+ }
+ }
+
+ __linux_kernel_version =
+ GET_LINUX_KERNEL_VERSION (asc2int (version));
+ if (patchlevel != NULL)
+ {
+ __linux_kernel_version |=
+ GET_LINUX_KERNEL_PATCHLEVEL (asc2int (patchlevel));
+ }
+ if (sublevel != NULL)
+ {
+ __linux_kernel_version |=
+ GET_LINUX_KERNEL_SUBLEVEL (asc2int (sublevel));
+ }
+ }
+ else
+ {
+ __linux_kernel_version = 0;
+ }
+
+ return __linux_kernel_version;
+}
+
+int
+__get_linux_kernel_version (void)
+{
+ if (__linux_kernel_version != -1)
+ return __linux_kernel_version;
+
+ return set_linux_kernel_version ();
+}
diff --git a/libc/sysdeps/linux/common/mkfifo.c b/libc/sysdeps/linux/common/mkfifo.c
new file mode 100644
index 000000000..dbaa9aa3b
--- /dev/null
+++ b/libc/sysdeps/linux/common/mkfifo.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ June 28, 2000 -- swiped from GNU libc 2.1.3 and adjusted for uC-Libc
+ by Erik Andersen <andersee@debian.org>
+ */
+
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+/* Create a named pipe (FIFO) named PATH with protections MODE. */
+int
+mkfifo (const char *path, mode_t mode)
+{
+ dev_t dev = 0;
+ return mknod (path, mode | S_IFIFO, &dev);
+}
diff --git a/libc/sysdeps/linux/common/setegid.c b/libc/sysdeps/linux/common/setegid.c
new file mode 100644
index 000000000..3eebf60fb
--- /dev/null
+++ b/libc/sysdeps/linux/common/setegid.c
@@ -0,0 +1,6 @@
+#include <unistd.h>
+
+int setegid(gid_t gid)
+{
+ return __setregid(-1, gid);
+}
diff --git a/libc/sysdeps/linux/common/seteuid.c b/libc/sysdeps/linux/common/seteuid.c
new file mode 100644
index 000000000..179477a14
--- /dev/null
+++ b/libc/sysdeps/linux/common/seteuid.c
@@ -0,0 +1,22 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+
+int seteuid(uid_t uid)
+{
+ switch (sizeof (uid_t))
+ {
+ case 2:
+ if (uid == 65535)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ break;
+
+ default:
+ fprintf (stderr, "Uknown uid_t size and sign\n");
+ }
+
+ return setreuid(-1, uid);
+}
diff --git a/libc/sysdeps/linux/common/setpgrp.c b/libc/sysdeps/linux/common/setpgrp.c
new file mode 100644
index 000000000..f1f27d18f
--- /dev/null
+++ b/libc/sysdeps/linux/common/setpgrp.c
@@ -0,0 +1,11 @@
+#include <syscall.h>
+#include <unistd.h>
+
+static inline
+_syscall2(int,setpgid,pid_t,pid,pid_t,pgid);
+
+int
+setpgrp(void)
+{
+ return setpgid(0,0);
+}
diff --git a/libc/sysdeps/linux/common/tell.c b/libc/sysdeps/linux/common/tell.c
new file mode 100644
index 000000000..b58f3f944
--- /dev/null
+++ b/libc/sysdeps/linux/common/tell.c
@@ -0,0 +1,15 @@
+#define lseek __normal_lseek
+#include <unistd.h>
+#include <syscall.h>
+#undef lseek
+
+static inline
+_syscall3(off_t,lseek,int,fildes,off_t,offset,int,origin)
+
+off_t tell(int);
+
+off_t
+tell (int fildes)
+{
+ return lseek (fildes, 0, SEEK_CUR);
+}
diff --git a/libc/sysdeps/linux/common/wait.c b/libc/sysdeps/linux/common/wait.c
new file mode 100644
index 000000000..ffcb9d26f
--- /dev/null
+++ b/libc/sysdeps/linux/common/wait.c
@@ -0,0 +1,12 @@
+#include <syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/resource.h>
+
+static inline
+_syscall4(__pid_t,wait4,__pid_t,pid,__WAIT_STATUS,status,int,options,struct rusage *,ru)
+
+__pid_t wait(__WAIT_STATUS wait_stat)
+{
+ return wait4((-1) /* WAIT_ANY */, wait_stat, 0, NULL);
+}
diff --git a/libc/sysdeps/linux/common/wait3.c b/libc/sysdeps/linux/common/wait3.c
new file mode 100644
index 000000000..df9ab5f3a
--- /dev/null
+++ b/libc/sysdeps/linux/common/wait3.c
@@ -0,0 +1,12 @@
+#include <syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/resource.h>
+
+static inline
+_syscall4(__pid_t,wait4,__pid_t,pid,__WAIT_STATUS,status,int,options,struct rusage *,ru)
+
+__pid_t wait3(__WAIT_STATUS wait_stat, int options, struct rusage *reserved)
+{
+ return wait4((-1) /* WAIT_ANY*/, wait_stat, options, reserved);
+}
diff --git a/libc/sysdeps/linux/common/waitpid.c b/libc/sysdeps/linux/common/waitpid.c
new file mode 100644
index 000000000..1a7f7ecad
--- /dev/null
+++ b/libc/sysdeps/linux/common/waitpid.c
@@ -0,0 +1,13 @@
+#include <syscall.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/resource.h>
+
+static inline
+_syscall4(__pid_t,wait4,__pid_t,pid,__WAIT_STATUS,status,int,options,struct rusage *,ru)
+
+__pid_t
+waitpid(__pid_t pid, int *wait_stat, int options)
+{
+ return wait4(pid, (__WAIT_STATUS) wait_stat, options, NULL);
+}
diff --git a/libc/sysdeps/linux/i386/Makefile b/libc/sysdeps/linux/i386/Makefile
new file mode 100644
index 000000000..bfb8d82ff
--- /dev/null
+++ b/libc/sysdeps/linux/i386/Makefile
@@ -0,0 +1,29 @@
+# Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk>
+# This file is part of the Linux-8086 C library and is distributed
+# under the GNU Library General Public License.
+
+TOPDIR=../../../
+include $(TOPDIR)Rules.make
+
+CFLAGS+= -D_GCC_LIMITS_H_
+
+LIBC=$(TOPDIR)libc.a
+
+.S.s:
+ $(CC) $(CFLAGS) -D__ASSEMBLY__ -traditional -E -o $*.s $<
+.S.o:
+ $(CC) $(CFLAGS) -c -o $*.o $<
+
+include makefile.objs
+
+all: $(LIBC)
+
+$(LIBC): $(OBJ)
+ $(AR) $(ARFLAGS) $@ $(OBJ)
+
+transfer:
+ -@rm -f ../include/stdio.h
+ cp -p stdio.h ../include/.
+
+clean:
+ rm -f *.o
diff --git a/libc/sysdeps/linux/i386/setjmp.S b/libc/sysdeps/linux/i386/setjmp.S
new file mode 100644
index 000000000..3ff05425f
--- /dev/null
+++ b/libc/sysdeps/linux/i386/setjmp.S
@@ -0,0 +1,88 @@
+/* These are predefined by new versions of GNU cpp. */
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__ _
+#endif
+
+#ifndef __REGISTER_PREFIX__
+#define __REGISTER_PREFIX__
+#endif
+
+/* ANSI concatenation macros. */
+
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a ## b
+
+/* Use the right prefix for global labels. */
+
+#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+
+/* Use the right prefix for registers. */
+
+#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
+
+#define d0 REG (d0)
+#define d1 REG (d1)
+#define d2 REG (d2)
+#define d3 REG (d3)
+#define d4 REG (d4)
+#define d5 REG (d5)
+#define d6 REG (d6)
+#define d7 REG (d7)
+#define a0 REG (a0)
+#define a1 REG (a1)
+#define a2 REG (a2)
+#define a3 REG (a3)
+#define a4 REG (a4)
+#define a5 REG (a5)
+#define a6 REG (a6)
+#define fp REG (fp)
+#define sp REG (sp)
+
+.global SYM (setjmp)
+.global SYM (longjmp)
+
+SYM (setjmp):
+ moveal sp@(4),a0
+ movel sp@(0),a0@(12)
+ movel sp,a0@(8)
+ moveml d2-d7/a2-a6,a0@(20)
+ clrl d0
+ rts
+
+SYM (longjmp):
+ moveal sp@(4),a0
+ movel sp@(8),d0
+ bne 1f
+ movel #1,d0
+1:
+ moveml a0@(20),d2-d7/a2-a6
+ moveal a0@(8),sp
+ movel a0@(12),sp@
+ rts
+
+#ifdef M68881
+.global SYM (setjmp_68881)
+.global SYM (longjmp_68881)
+
+SYM (setjmp_68881):
+ moveal sp@(4),a0
+ movel sp@(0),a0@(12)
+ movel sp,a0@(8)
+ moveml d2-d7/a2-a6,a0@(20)
+ fmovemx fp2-fp7,a0@(64)
+ clrl d0
+ rts
+
+SYM (longjmp_68881):
+ moveal sp@(4),a0
+ fmovemx a0@(64),fp2-fp7
+ movel sp@(8),d0
+ bne 1f
+ movel #1,d0
+1:
+ moveml a0@(20),d2-d7/a2-a6
+ moveal a0@(8),sp
+ movel a0@(12),sp@
+ rts
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:25:47 +0000