TOPDIR=../../
include $(TOPDIR)/ld.so-1/Rules.mak
-CFLAGS += -DNO_UNDERSCORE -DVERBOSE_DLINKER
CFLAGS += -DUSE_CACHE -fPIC -D__PIC__ #-funroll-loops
-CSRC= boot1.c hash.c readelflib1.c vsprintf.c
+CSRC= boot1.c hash.c readelflib1.c vsprintf.c $(TARGET_ARCH)/elfinterp.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
-OBJS=$(COBJS)
+ASRC=$(shell ls $(TARGET_ARCH)/*.S)
+AOBJS=$(patsubst %.S,%.o, $(ASRC))
+OBJS=$(AOBJS) $(COBJS)
ELF_LDFLAGS=--shared # using GNU ld
-all: sysdeps lib
+all: lib
-sysdeps:
- make -C $(TARGET_ARCH)
-
-lib:: $(OBJS)
+lib:: $(OBJS) $(DLINK_OBJS)
$(LD) -e _dl_boot $(ELF_LDFLAGS) -o $(DLINKER).$(LDSO_VMAJOR) \
- -soname $(DLINKER).$(LDSO_VMAJOR) *.o
+ -soname $(DLINKER).$(LDSO_VMAJOR) $(OBJS)
$(COBJS): %.o : %.c
$(CC) -I. -I./$(TARGET_ARCH) -I../libdl $(CFLAGS) -c $< -o $@
$(RM) -f .depend $(DLINKER) core *.o *.a *.s *.i tmp_make foo *~
clean::
- $(RM) -f $(DLINKER)* core *.o *.a *.s *.i tmp_make foo *~
+ $(RM) -f $(DLINKER)* $(OBJS) core *.o *.a *.s *.i tmp_make foo *~
-.PHONY: sysdeps
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#undef __syscall_return
+#define __syscall_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ /*errno = -(res); */ \
+ res = -1; \
+ } \
+ return (type) (res); \
+} while (0)
+
+
+#if defined(__PIC__)
+
+/*
+ * PIC uses %ebx, so we need to save it during system calls
+ */
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3)),"S" ((long)(arg4))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall5
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \
+__syscall_return(type,__res); \
+}
+
+#endif /* __PIC__ */
+
+
-
/*
* Various assmbly language/system dependent hacks that are required
* so that we can minimize the amount of platform specific code.
/* Here we define the magic numbers that this dynamic loader should accept */
#define MAGIC1 EM_386
-#define MAGIC2 EM_486
+#undef MAGIC2
/* Used for error messages */
-#define ELF_TARGET "386/486"
+#define ELF_TARGET "386"
extern unsigned int _dl_linux_resolver(int dummy, int i);
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#undef __syscall_return
+#define __syscall_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ /*errno = -(res); */ \
+ res = -1; \
+ } \
+ return (type) (res); \
+} while (0)
+
+
+#if defined(__PIC__)
+
+/*
+ * PIC uses %ebx, so we need to save it during system calls
+ */
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3)),"S" ((long)(arg4))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall5
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \
+__syscall_return(type,__res); \
+}
+
+#endif /* __PIC__ */
+
+
-
/*
* Various assmbly language/system dependent hacks that are required
* so that we can minimize the amount of platform specific code.
/* Here we define the magic numbers that this dynamic loader should accept */
#define MAGIC1 EM_386
-#define MAGIC2 EM_486
+#undef MAGIC2
/* Used for error messages */
-#define ELF_TARGET "386/486"
+#define ELF_TARGET "386"
extern unsigned int _dl_linux_resolver(int dummy, int i);
-#if 0
-#include <sysdep.h>
-#endif
/*
* These are various helper routines that are needed to run an ELF image.
*/
-#ifndef ALIGN
-#define ALIGN 4
-#endif
-
-#ifndef NO_UNDERSCORE
-#define RUN _linux_run
-#define RESOLVE __dl_linux_resolve
-#define EXIT __interpreter_exit
-#define RESOLVER __dl_linux_resolver
-#define INIT ___loader_bootstrap
-#else
-#define RUN linux_run
-#define RESOLVE _dl_linux_resolve
-#define RESOLVER _dl_linux_resolver
-#define EXIT _interpreter_exit
-#define INIT __loader_bootstrap
-#endif
.text
-.align ALIGN
- .align 16
+.align 4
+
+.globl _dl_linux_resolve
+.type _dl_linux_resolve,@function
-.globl RESOLVE
- .type RESOLVE,@function
-RESOLVE:
+_dl_linux_resolve:
pusha /* preserve all regs */
lea 0x20(%esp),%eax /* eax = tpnt and reloc_entry params */
pushl 4(%eax) /* push copy of reloc_entry param */
.L24:
popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-.L24],%ebx
- movl RESOLVER@GOT(%ebx),%ebx /* eax = resolved func */
+ movl _dl_linux_resolver@GOT(%ebx),%ebx /* eax = resolved func */
call *%ebx
#else
- call RESOLVER
+ call _dl_linux_resolver
#endif
movl %eax,0x2C(%esp) /* store func addr over original
* tpnt param */
ret $4 /* jump to func removing original
* reloc_entry param from stack */
.LFE2:
- .size RESOLVE,.LFE2-RESOLVE
+ .size _dl_linux_resolve,.LFE2-_dl_linux_resolve
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#undef __syscall_return
+#define __syscall_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ /*errno = -(res); */ \
+ res = -1; \
+ } \
+ return (type) (res); \
+} while (0)
+
+
+#if defined(__PIC__)
+
+/*
+ * PIC uses %ebx, so we need to save it during system calls
+ */
+
+#undef _syscall1
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall2
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall3
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall4
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3)),"S" ((long)(arg4))); \
+__syscall_return(type,__res); \
+}
+
+#undef _syscall5
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+long __res; \
+__asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
+ : "=a" (__res) \
+ : "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \
+ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \
+__syscall_return(type,__res); \
+}
+
+#endif /* __PIC__ */
+
+
-
/*
* Various assmbly language/system dependent hacks that are required
* so that we can minimize the amount of platform specific code.
/* Here we define the magic numbers that this dynamic loader should accept */
#define MAGIC1 EM_386
-#define MAGIC2 EM_486
+#undef MAGIC2
/* Used for error messages */
-#define ELF_TARGET "386/486"
+#define ELF_TARGET "386"
extern unsigned int _dl_linux_resolver(int dummy, int i);
--- /dev/null
+#include "syscalls.h"
+
+/* Here are the definitions for some syscalls that are used
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#define __NR__dl_exit __NR_exit
+static inline _syscall1(void, _dl_exit, int, status);
+
+
+#define __NR__dl_close __NR_close
+static inline _syscall1(int, _dl_close, int, fd);
+
+
+#define __NR__dl_mmap_real __NR_mmap
+static inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer);
+
+static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ int flags, int fd, unsigned long offset)
+{
+ unsigned long buffer[6];
+
+ buffer[0] = (unsigned long) addr;
+ buffer[1] = (unsigned long) size;
+ buffer[2] = (unsigned long) prot;
+ buffer[3] = (unsigned long) flags;
+ buffer[4] = (unsigned long) fd;
+ buffer[5] = (unsigned long) offset;
+ return (void *) _dl_mmap_real(buffer);
+}
+#ifndef _dl_MAX_ERRNO
+#define _dl_MAX_ERRNO 4096
+#endif
+#define _dl_mmap_check_error(__res) \
+ (((int)__res) < 0 && ((int)__res) >= -_dl_MAX_ERRNO)
+
+
+
+#define __NR__dl_open __NR_open
+static inline _syscall2(int, _dl_open, const char *, fn, int, flags);
+
+#define __NR__dl_write __NR_write
+static inline _syscall3(unsigned long, _dl_write, int, fd,
+ const void *, buf, unsigned long, count);
+
+
+#define __NR__dl_read __NR_read
+static inline _syscall3(unsigned long, _dl_read, int, fd,
+ const void *, buf, unsigned long, count);
+
+#define __NR__dl_mprotect __NR_mprotect
+static inline _syscall3(int, _dl_mprotect, const void *, addr, unsigned long, len, int, prot);
+
+
+
+/* Pull in whatever this particular arch's kernel thinks the kernel version of
+ * struct stat should look like. It turns out that each arch has a different
+ * opinion on the subject, and different kernel revs use different names... */
+#define __NR__dl_stat __NR_stat
+#define stat kernel_stat
+#define new_stat kernel_stat
+#include <asm/stat.h>
+#undef new_stat
+#undef stat
+static inline _syscall2(int, _dl_stat, const char *, file_name, struct kernel_stat *, buf);
+
+
+#define __NR__dl_munmap __NR_munmap
+static inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length);
+
+#define __NR__dl_getuid __NR_getuid
+static inline _syscall0(gid_t, _dl_getuid);
+
+#define __NR__dl_geteuid __NR_geteuid
+static inline _syscall0(uid_t, _dl_geteuid);
+
+#define __NR__dl_getgid __NR_getgid
+static inline _syscall0(gid_t, _dl_getgid);
+
+#define __NR__dl_getegid __NR_getegid
+static inline _syscall0(gid_t, _dl_getegid);
+
+/*
+ * Not an actual syscall, but we need something in assembly to say whether
+ * this is OK or not.
+ */
+extern inline int _dl_suid_ok(void)
+{
+ uid_t uid, euid, gid, egid;
+
+ uid = _dl_getuid();
+ euid = _dl_geteuid();
+ gid = _dl_getgid();
+ egid = _dl_getegid();
+
+ if(uid == euid && gid == egid)
+ return 1;
+ else
+ return 0;
+}
+
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+#define __syscall_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ /* avoid using res which is declared to be in register d0; \
+ errno might expand to a function call and clobber it. */ \
+ /* int __err = -(res); \
+ errno = __err; */ \
+ res = -1; \
+ } \
+ return (type) (res); \
+} while (0)
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+__asm__ __volatile__ ("trap #0" \
+ : "=g" (__res) \
+ : "0" (__res) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall1(type,name,atype,a) \
+type name(atype a) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall2(type,name,atype,a,btype,b) \
+type name(atype a,btype b) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a,btype b,ctype c) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
+type name (atype a, btype b, ctype c, dtype d) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+register long __d __asm__ ("%d4") = (long)(d); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
+type name (atype a,btype b,ctype c,dtype d,etype e) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+register long __d __asm__ ("%d4") = (long)(d); \
+register long __e __asm__ ("%d5") = (long)(e); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d), "d" (__e) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+#define __syscall_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ /* avoid using res which is declared to be in register d0; \
+ errno might expand to a function call and clobber it. */ \
+ /* int __err = -(res); \
+ errno = __err; */ \
+ res = -1; \
+ } \
+ return (type) (res); \
+} while (0)
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+__asm__ __volatile__ ("trap #0" \
+ : "=g" (__res) \
+ : "0" (__res) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall1(type,name,atype,a) \
+type name(atype a) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall2(type,name,atype,a,btype,b) \
+type name(atype a,btype b) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a,btype b,ctype c) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
+type name (atype a, btype b, ctype c, dtype d) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+register long __d __asm__ ("%d4") = (long)(d); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
+type name (atype a,btype b,ctype c,dtype d,etype e) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+register long __d __asm__ ("%d4") = (long)(d); \
+register long __e __asm__ ("%d5") = (long)(e); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d), "d" (__e) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+
-#if 0
-#include <sysdep.h>
-#endif
/*
* These are various helper routines that are needed to run an ELF image.
*/
-#ifdef NO_UNDERSCORE
-#define __dl_linux_resolve _dl_linux_resolve
-#define __dl_linux_resolver _dl_linux_resolver
-#endif
-
.text
.even
-.globl __dl_linux_resolve
- .type __dl_linux_resolve,@function
-__dl_linux_resolve:
+.globl _dl_linux_resolve
+ .type _dl_linux_resolve,@function
+_dl_linux_resolve:
moveml %a0/%a1,%sp@-
#ifdef __PIC__
- bsrl __dl_linux_resolver@PLTPC
+ bsrl _dl_linux_resolver@PLTPC
#else
- jbsr __dl_linux_resolver
+ jbsr _dl_linux_resolver
#endif
moveml %sp@+,%a0/%a1
addql #8,%sp
jmp @(%d0)
.LFE2:
- .size __dl_linux_resolve,.LFE2-__dl_linux_resolve
+ .size _dl_linux_resolve,.LFE2-_dl_linux_resolve
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+#define __syscall_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ /* avoid using res which is declared to be in register d0; \
+ errno might expand to a function call and clobber it. */ \
+ /* int __err = -(res); \
+ errno = __err; */ \
+ res = -1; \
+ } \
+ return (type) (res); \
+} while (0)
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+__asm__ __volatile__ ("trap #0" \
+ : "=g" (__res) \
+ : "0" (__res) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall1(type,name,atype,a) \
+type name(atype a) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall2(type,name,atype,a,btype,b) \
+type name(atype a,btype b) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a,btype b,ctype c) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
+type name (atype a, btype b, ctype c, dtype d) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+register long __d __asm__ ("%d4") = (long)(d); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
+type name (atype a,btype b,ctype c,dtype d,etype e) \
+{ \
+register long __res __asm__ ("%d0") = __NR_##name; \
+register long __a __asm__ ("%d1") = (long)(a); \
+register long __b __asm__ ("%d2") = (long)(b); \
+register long __c __asm__ ("%d3") = (long)(c); \
+register long __d __asm__ ("%d4") = (long)(d); \
+register long __e __asm__ ("%d5") = (long)(e); \
+__asm__ __volatile__ ("trap #0" \
+ : "=d" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d), "d" (__e) \
+ : "%d0"); \
+__syscall_return(type,__res); \
+}
+
+
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res)\
+ : "r" (__g1) \
+ : "o0", "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+register long __o4 __asm__ ("o4") = (long)(arg5); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res)\
+ : "r" (__g1) \
+ : "o0", "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+register long __o4 __asm__ ("o4") = (long)(arg5); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
--- /dev/null
+#include <linux/types.h>
+#include <asm/unistd.h>
+
+/* Here are the macros which define how this platform makes
+ * system calls. This particular variant does _not_ set
+ * errno (note how it is disabled in __syscall_return) since
+ * these will get called before the errno symbol is dynamicly
+ * linked.
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res)\
+ : "r" (__g1) \
+ : "o0", "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res >= 0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res;*/ \
+return -1; \
+}
+
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
+ type5,arg5) \
+type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+{ \
+long __res; \
+register long __g1 __asm__ ("g1") = __NR_##name; \
+register long __o0 __asm__ ("o0") = (long)(arg1); \
+register long __o1 __asm__ ("o1") = (long)(arg2); \
+register long __o2 __asm__ ("o2") = (long)(arg3); \
+register long __o3 __asm__ ("o3") = (long)(arg4); \
+register long __o4 __asm__ ("o4") = (long)(arg5); \
+__asm__ __volatile__ ("t 0x10\n\t" \
+ "bcc 1f\n\t" \
+ "mov %%o0, %0\n\t" \
+ "sub %%g0, %%o0, %0\n\t" \
+ "1:\n\t" \
+ : "=r" (__res), "=&r" (__o0) \
+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
+ : "cc"); \
+if (__res < -255 || __res>=0) \
+ return (type) __res; \
+/*errno = -__res; */\
+return -1; \
+}
--- /dev/null
+#include "syscalls.h"
+
+/* Here are the definitions for some syscalls that are used
+ by the dynamic linker. The idea is that we want to be able
+ to call these before the errno symbol is dynamicly linked, so
+ we use our own version here. Note that we cannot assume any
+ dynamic linking at all, so we cannot return any error codes.
+ We just punt if there is an error. */
+
+
+#define __NR__dl_exit __NR_exit
+static inline _syscall1(void, _dl_exit, int, status);
+
+
+#define __NR__dl_close __NR_close
+static inline _syscall1(int, _dl_close, int, fd);
+
+
+#define __NR__dl_mmap_real __NR_mmap
+static inline _syscall1(void *, _dl_mmap_real, unsigned long *, buffer);
+
+static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
+ int flags, int fd, unsigned long offset)
+{
+ unsigned long buffer[6];
+
+ buffer[0] = (unsigned long) addr;
+ buffer[1] = (unsigned long) size;
+ buffer[2] = (unsigned long) prot;
+ buffer[3] = (unsigned long) flags;
+ buffer[4] = (unsigned long) fd;
+ buffer[5] = (unsigned long) offset;
+ return (void *) _dl_mmap_real(buffer);
+}
+#ifndef _dl_MAX_ERRNO
+#define _dl_MAX_ERRNO 4096
+#endif
+#define _dl_mmap_check_error(__res) \
+ (((int)__res) < 0 && ((int)__res) >= -_dl_MAX_ERRNO)
+
+
+
+#define __NR__dl_open __NR_open
+static inline _syscall2(int, _dl_open, const char *, fn, int, flags);
+
+#define __NR__dl_write __NR_write
+static inline _syscall3(unsigned long, _dl_write, int, fd,
+ const void *, buf, unsigned long, count);
+
+
+#define __NR__dl_read __NR_read
+static inline _syscall3(unsigned long, _dl_read, int, fd,
+ const void *, buf, unsigned long, count);
+
+#define __NR__dl_mprotect __NR_mprotect
+static inline _syscall3(int, _dl_mprotect, const void *, addr, unsigned long, len, int, prot);
+
+
+
+/* Pull in whatever this particular arch's kernel thinks the kernel version of
+ * struct stat should look like. It turns out that each arch has a different
+ * opinion on the subject, and different kernel revs use different names... */
+#define __NR__dl_stat __NR_stat
+#define stat kernel_stat
+#define new_stat kernel_stat
+#include <asm/stat.h>
+#undef new_stat
+#undef stat
+static inline _syscall2(int, _dl_stat, const char *, file_name, struct kernel_stat *, buf);
+
+
+#define __NR__dl_munmap __NR_munmap
+static inline _syscall2(int, _dl_munmap, void *, start, unsigned long, length);
+
+#define __NR__dl_getuid __NR_getuid
+static inline _syscall0(gid_t, _dl_getuid);
+
+#define __NR__dl_geteuid __NR_geteuid
+static inline _syscall0(uid_t, _dl_geteuid);
+
+#define __NR__dl_getgid __NR_getgid
+static inline _syscall0(gid_t, _dl_getgid);
+
+#define __NR__dl_getegid __NR_getegid
+static inline _syscall0(gid_t, _dl_getegid);
+
+/*
+ * Not an actual syscall, but we need something in assembly to say whether
+ * this is OK or not.
+ */
+extern inline int _dl_suid_ok(void)
+{
+ uid_t uid, euid, gid, egid;
+
+ uid = _dl_getuid();
+ euid = _dl_geteuid();
+ gid = _dl_getgid();
+ egid = _dl_getegid();
+
+ if(uid == euid && gid == egid)
+ return 1;
+ else
+ return 0;
+}
+
TOPDIR=../../
include $(TOPDIR)/ld.so-1/Rules.mak
-CFLAGS += -DNO_UNDERSCORE -DVERBOSE_DLINKER -DUSE_CACHE
+CFLAGS += -DUSE_CACHE
CFLAGS += #-fPIC -D__PIC__ #-funroll-loops
CSRC= dlib.c
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