[patch] Merge m68k libgloss bits to mainline.
Kazu Hirata
kazu@codesourcery.com
Mon Aug 21 18:09:00 GMT 2006
Hi,
Attached is a patch to merge m68k libgloss bits to mainline.
Specifically, this patch adds semi-hosting support to some ColdFire
targets.
Tested by running a "Hello, world" program and verifying "Hello,
world" on m68k-elf-gdb. OK to apply?
Kazu Hirata
2006-08-21 Kazu Hirata <nathan@codesourcery.com>
Merge from newlib-csl-20060320-branch:
2006-07-24 Nathan Sidwell <nathan@codesourcery.com>
Bug 844
libgloss/
* m68k/cf.sc: Set entry point to _start.
* m68k/crt0.X (_start): New name for entrypoint
(start): Weak alias for start.
2006-06-09 Nathan Sidwell <nathan@codesourcery.com>
libgloss/
* m68k/bdm-system.c (_system): Support system(NULL).
2006-06-08 Nathan Sidwell <nathan@codesourcery.com>
* libgloss/m68k/bdm-system.c (_system): Properly encode non
failure exit code.
2006-06-05 Nathan Sidwell <nathan@codesourcery.com>
* libgloss/m68k/Makefile.in (BDM_SYSOBJS): Remove bdm-inbyte.o.
Add bdm-time.o.
* libgloss/m68k/bdm-close.c: Add copyright notice.
* libgloss/m68k/bdm-fstat.c: Add copyright notice.
* libgloss/m68k/bdm-gettimeofday.c: Add copyright notice.
* libgloss/m68k/bdm-inbyte.c: Remove.
* libgloss/m68k/bdm-isatty.c: Add copyright notice.
* libgloss/m68k/bdm-lseek.c: Add copyright notice. Fix &/|
thinko.
* libgloss/m68k/bdm-open.c: Add copyright notice.
* libgloss/m68k/bdm-read.c: Add copyright notice.
* libgloss/m68k/bdm-rename.c: Add copyright notice.
* libgloss/m68k/bdm-stat.c: Add copyright notice.
* libgloss/m68k/bdm-system.c: Add copyright notice.
* libgloss/m68k/bdm-time.c: New.
* libgloss/m68k/bdm-unlink.c: Add copyright notice.
* libgloss/m68k/bdm-write.c: Add copyright notice.
2006-05-25 Nathan Sidwell <nathan@codesourcery.com>
* libgloss/m68k/Makefile.in (m52235-dbug.ld, m52235-bdm.ld): New
scripts.
2006-05-24 Nathan Sidwell <nathan@codesourcery.com>
* libgloss/m68k/Makefile.in (BDM_SYSOBJS): Remove bdm-outbyte.o
* libgloss/m68k/bdm-outbyte.c: Delete.
* libgloss/m68k/bdm-semihost.h (BDM_OUTBYTE): Mark as obsolete.
2006-05-22 Sandra Loosemore <sandra@codesourcery.com>
* libgloss/m68k/bdm-semihost.h: Add new constants for additional
semihosting functions. Add new BDM_TRAP macro to encapsulate
inline asm.
* libgloss/m68k/bdm-exit.c (_exit): Use new BDM_TRAP macro.
* libgloss/m68k/bdm-outbyte.c (outbyte): Ditto.
* libgloss/m68k/bdm-isrs.c, libgloss/m68k/bdm-isv.c: Former BDM_TRAP
now called BDM_TRAPNUM.
* libgloss/m68k/bdm-gdb.h, libgloss/m68k/bdm-gdb.c: New files
containing declarations and conversion functions for GDB's fileio
protocol.
* libgloss/m68k/bdm-close.c: New file to define corresponding function.
* libgloss/m68k/bdm-fstat.c: Ditto.
* libgloss/m68k/bdm-gettimeofday.c: Ditto.
* libgloss/m68k/bdm-isatty.c: Ditto.
* libgloss/m68k/bdm-lseek.c: Ditto.
* libgloss/m68k/bdm-open.c: Ditto.
* libgloss/m68k/bdm-read.c: Ditto.
* libgloss/m68k/bdm-rename.c: Ditto.
* libgloss/m68k/bdm-stat.c: Ditto.
* libgloss/m68k/bdm-system.c: Ditto.
* libgloss/m68k/bdm-unlink.c: Ditto.
* libgloss/m68k/bdm-write.c Ditto.
* libgloss/m68k/Makefile.in: Add dependencies for new files.
* newlib/configure.host: Tell it we have _rename and _system when
building m68k-unknown-elf.
2006-03-29 Nathan Sidwell <nathan@codesourcery.com>
* libgloss/m68k/bdm-isv.c (software_init_hook): Fix trap numbering.
* libgloss/m68k/Makefile.in (CF_SCRIPTS): Add m5329 board.
Reorder.
(*-dbug.ld, *-bdm.ld): Add appropriate IO definition.
(m5329evb-dbug.ld, m5329evb-bdm.ld): New.
* cf.sc (GROUP): Revert previous change. Add IO library.
* libgloss/m68k/Makefile.in (BDM_BSP, BDM_OBJS, BDM_ISRS): New.
(CF_SCRIPTS): Rename dbug scripts. Add bdm scripts. Add m5485
scripts.
(all): Add new targets.
(BDM_BSP): New target.
(bdm-isv.o, bdm-exit.o, bdm-outbyte.o, bdm-semihost.o): New
targets.
(BDM_ISRS): New targets.
(m5208evb.ld, m5213evb.ld, m5235evb.ld, m5272c3.ld, m5282evb.ld):
Rename and adjust.
(m5485evb-dbug): New.
(m5208evb-bdm.ld, m5213evb-bdm.ld, m5235evb-bdm.ld,
m5272c3-bdm.ld, m5282evb-bdm.ld, m5485evb-bdm.ld): New.
(install): Add BDM_BSP.
* libgloss/m68k/bdm-exit.c: New
* libgloss/m68k/bdm-inbyte.c: New
* libgloss/m68k/bdm-outbyte.c: New
* libgloss/m68k/bdm-semihost.c: New
* libgloss/m68k/bdm-semihost.h: New
* libgloss/m68k/bdm-isrs.c: New.
* libgloss/m68k/bdm-isv.c: New.
* dbug-cf.sc: Renamed to ...
* cf.sc: ... here. Add bdm flexibility. Remove GROUP
Index: libgloss/m68k/Makefile.in
===================================================================
RCS file: /cvs/src/src/libgloss/m68k/Makefile.in,v
retrieving revision 1.5
retrieving revision 1.5.2.6
diff -u -r1.5 -r1.5.2.6
--- libgloss/m68k/Makefile.in 22 Feb 2006 18:02:54 -0000 1.5
+++ libgloss/m68k/Makefile.in 5 Jun 2006 14:22:26 -0000 1.5.2.6
@@ -123,7 +123,35 @@
DBUG_BSP= libdbug.a
DBUG_OBJS= dbug-exit.o dbug-inbyte.o dbug-outbyte.o
-CF_SCRIPTS= m5208evb.ld m5213evb.ld m5235evb.ld m5272c3.ld m5282evb.ld
+#
+# here's all the BDM semihosting stuff
+#
+BDM_BSP= libbdm.a
+BDM_OBJS= bdm-isv.o bdm-semihost.o $(BDM_SYSOBJS) \
+ $(patsubst %,bdm-%.o,${BDM_ISRS})
+BDM_OTHER_OBJS= getpid.o kill.o sbrk.o print.o putnum.o
+BDM_SYSOBJS= bdm-close.o bdm-exit.o bdm-fstat.o bdm-gdb.o \
+ bdm-gettimeofday.o bdm-isatty.o bdm-lseek.o \
+ bdm-open.o bdm-read.o bdm-rename.o \
+ bdm-stat.o bdm-system.o bdm-time.o bdm-unlink.o bdm-write.o
+BDM_ISRS= other_interrupt reset access_error address_error \
+ illegal_instruction divide_by_zero privilege_violation \
+ trace unimplemented_line_a_opcode unimplemented_line_f_opcode \
+ non_pc_breakpoint_debug_interrupt pc_breakpoint_debug_interrupt \
+ format_error spurious_interrupt trap0 trap1 trap2 trap3 trap4 \
+ trap5 trap6 trap7 trap8 trap9 trap10 trap11 trap12 trap13 trap14 \
+ trap15 fp_branch_unordered fp_inexact_result fp_divide_by_zero \
+ fp_underflow fp_operand_error fp_overflow fp_input_not_a_number \
+ fp_input_denormalized_number unsupported_instruction
+
+CF_SCRIPTS= m5208evb-dbug.ld m5208evb-bdm.ld \
+ m5213evb-dbug.ld m5213evb-bdm.ld \
+ m52235evb-dbug.ld m52235evb-bdm.ld \
+ m5235evb-dbug.ld m5235evb-bdm.ld \
+ m5272c3-dbug.ld m5272c3-bdm.ld \
+ m5282evb-dbug.ld m5282evb-bdm.ld \
+ m5329evb-dbug.ld m5329evb-bdm.ld \
+ m5485evb-dbug.ld m5485evb-bdm.ld
# Host specific makefile fragment comes in here.
@host_makefile_frag@
@@ -132,7 +160,7 @@
# build a test program for each target board. Just trying to get
# it to link is a good test, so we ignore all the errors for now.
#
-all: ${SIM_CRT0} ${SIM_BSP} ${CRT0} ${BCC_BSP} ${IDP_BSP} ${IDPGDB_BSP} ${MVME135_BSP} ${MVME162_BSP} ${DBUG_BSP} ${CF_SCRIPTS}
+all: ${SIM_CRT0} ${SIM_BSP} ${CRT0} ${BCC_BSP} ${IDP_BSP} ${IDPGDB_BSP} ${MVME135_BSP} ${MVME162_BSP} ${DBUG_BSP} ${BDM_BSP} ${CF_SCRIPTS}
#
# here's where we build the board support packages for each target
@@ -157,6 +185,10 @@
${AR} ${ARFLAGS} $@ $(OBJS) ${DBUG_OBJS}
${RANLIB} $@
+${BDM_BSP}: $(BDM_OTHER_OBJS) ${BDM_OBJS}
+ ${AR} ${ARFLAGS} $@ $(BDM_OTHER_OBJS) ${BDM_OBJS}
+ ${RANLIB} $@
+
${MVME135_BSP}: $(OBJS) ${MVME135_OBJS}
${AR} ${ARFLAGS} $@ $(OBJS) ${MVME135_OBJS}
${RANLIB} $@
@@ -165,20 +197,64 @@
${AR} ${ARFLAGS} $@ $(OBJS) ${MVME162_OBJS}
${RANLIB} $@
-m5208evb.ld: dbug-cf.sc Makefile
- RAMSTART=1024M RAMSIZE=16M RAMDBUG=128K ${SHELL} $< > $@
-m5213evb.ld: dbug-cf.sc Makefile
- RAMSTART=512M RAMSIZE=32K RAMDBUG=8K ${SHELL} $< > $@
+$(BDM_SYSOBJS): %.o: %.c bdm-semihost.h bdm-gdb.h
+ $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@
+bdm-isv.o : bdm-isv.c bdm-semihost.h
+bdm-semihost.o : bdm-semihost.c
+ $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@ -fomit-frame-pointer
+
+$(patsubst %,bdm-%.o,${BDM_ISRS}) : bdm-isrs.c
+ $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $< -o $@ \
+ -DL_$(patsubst bdm-%.o,%,$@) -fno-omit-frame-pointer
+
+m5208evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=1024M RAMSIZE=16M RAMDBUG=128K ${SHELL} $< > $@
+
+m5208evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=1024M RAMSIZE=16M ${SHELL} $< > $@
+
+m5213evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=512M RAMSIZE=32K RAMDBUG=8K ${SHELL} $< > $@
+
+m5213evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=512M RAMSIZE=32K ${SHELL} $< > $@
+
+m52235evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=512M RAMSIZE=32K RAMDBUG=8K ${SHELL} $< > $@
-m5235evb.ld: dbug-cf.sc Makefile
- RAMSTART=0M RAMSIZE=16M RAMDBUG=64K ${SHELL} $< > $@
+m52235evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=512M RAMSIZE=32K ${SHELL} $< > $@
-m5272c3.ld: dbug-cf.sc Makefile
- RAMSTART=0M RAMSIZE=4M RAMDBUG=128K ${SHELL} $< > $@
+m5235evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=0M RAMSIZE=16M RAMDBUG=64K ${SHELL} $< > $@
-m5282evb.ld: dbug-cf.sc Makefile
- RAMSTART=0M RAMSIZE=16M RAMDBUG=64K ${SHELL} $< > $@
+m5235evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=0M RAMSIZE=16M ${SHELL} $< > $@
+
+m5272c3-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=0M RAMSIZE=4M RAMDBUG=128K ${SHELL} $< > $@
+
+m5272c3-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=0M RAMSIZE=4M ${SHELL} $< > $@
+
+m5282evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=0M RAMSIZE=16M RAMDBUG=64K ${SHELL} $< > $@
+
+m5282evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=0M RAMSIZE=16M ${SHELL} $< > $@
+
+m5329evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=1024M RAMSIZE=32M RAMDBUG=128K ${SHELL} $< > $@
+
+m5329evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=1024M RAMSIZE=32M RAMDBUG=128K ${SHELL} $< > $@
+
+m5485evb-dbug.ld: cf.sc Makefile
+ IO=dbug RAMSTART=0M RAMSIZE=64M RAMDBUG=128K ${SHELL} $< > $@
+
+m5485evb-bdm.ld: cf.sc Makefile
+ IO=bdm ISV=1 RAMSTART=0M RAMSIZE=64M ${SHELL} $< > $@
leds.o: ${srcdir}/leds.c
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -c $<
@@ -298,6 +374,9 @@
$(INSTALL_DATA) ${srcdir}/mvme162.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/mvme162.ld
# install DBUG stuff
$(INSTALL_PROGRAM) $(DBUG_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(DBUG_BSP)
+ # install BDM stuff
+ $(INSTALL_PROGRAM) $(BDM_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(BDM_BSP)
+
$(INSTALL_DATA) ${srcdir}/sbc5204.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/sbc5204.ld
$(INSTALL_DATA) ${srcdir}/sbc5206.ld $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/sbc5206.ld
for script in $(CF_SCRIPTS) ; \
Index: libgloss/m68k/bdm-close.c
===================================================================
RCS file: libgloss/m68k/bdm-close.c
diff -N libgloss/m68k/bdm-close.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-close.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,38 @@
+/*
+ * bdm-close.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * close -- close a file descriptor.
+ * input parameters:
+ * 0 : file descriptor
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int close (int fd)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) fd;
+ BDM_TRAP (BDM_CLOSE, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-exit.c
===================================================================
RCS file: libgloss/m68k/bdm-exit.c
diff -N libgloss/m68k/bdm-exit.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-exit.c 22 May 2006 22:26:09 -0000 1.1.2.3
@@ -0,0 +1,30 @@
+/*
+ * bdm-exit.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+
+/*
+ * _exit -- Exit from the application.
+ */
+
+void __attribute__ ((noreturn)) _exit (int code)
+{
+ while (1)
+ {
+ BDM_TRAP (BDM_EXIT, code);
+ }
+}
Index: libgloss/m68k/bdm-fstat.c
===================================================================
RCS file: libgloss/m68k/bdm-fstat.c
diff -N libgloss/m68k/bdm-fstat.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-fstat.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,44 @@
+/*
+ * bdm-fstat.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * fstat -- get file information
+ * input parameters:
+ * 0 : file descriptor
+ * 1 : stat buf ptr
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int fstat (int fd, struct stat *buf)
+{
+ gdb_parambuf_t parameters;
+ struct gdb_stat gbuf;
+ parameters[0] = (uint32_t) fd;
+ parameters[1] = (uint32_t) &gbuf;
+ BDM_TRAP (BDM_FSTAT, (uint32_t)parameters);
+ convert_from_gdb_stat (&gbuf, buf);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-gdb.c
===================================================================
RCS file: libgloss/m68k/bdm-gdb.c
diff -N libgloss/m68k/bdm-gdb.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-gdb.c 22 May 2006 22:29:17 -0000 1.1.2.1
@@ -0,0 +1,140 @@
+/*
+ * bdm support for GDB's remote fileio protocol
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-gdb.h"
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+gdb_mode_t
+convert_to_gdb_mode_t (mode_t m)
+{
+ gdb_mode_t result = 0;
+ if (m & S_IFREG)
+ result |= GDB_S_IFREG;
+ if (m & S_IFDIR)
+ result |= GDB_S_IFDIR;
+ if (m & S_IRUSR)
+ result |= GDB_S_IRUSR;
+ if (m & S_IWUSR)
+ result |= GDB_S_IWUSR;
+ if (m & S_IXUSR)
+ result |= GDB_S_IXUSR;
+ if (m & S_IRGRP)
+ result |= GDB_S_IRGRP;
+ if (m & S_IWGRP)
+ result |= GDB_S_IWGRP;
+ if (m & S_IXGRP)
+ result |= GDB_S_IXGRP;
+ if (m & S_IROTH)
+ result |= GDB_S_IROTH;
+ if (m & S_IWOTH)
+ result |= GDB_S_IWOTH;
+ if (m & S_IXOTH)
+ result |= GDB_S_IXOTH;
+ return result;
+}
+
+int32_t
+convert_to_gdb_open_flags (int f)
+{
+ int32_t result = 0;
+ if (f & O_RDONLY)
+ result |= GDB_O_RDONLY;
+ if (f & O_WRONLY)
+ result |= GDB_O_WRONLY;
+ if (f & O_RDWR)
+ result |= GDB_O_RDWR;
+ if (f & O_APPEND)
+ result |= GDB_O_APPEND;
+ if (f & O_CREAT)
+ result |= GDB_O_CREAT;
+ if (f & O_TRUNC)
+ result |= GDB_O_TRUNC;
+ if (f & O_EXCL)
+ result |= GDB_O_EXCL;
+ return result;
+}
+
+int32_t
+convert_to_gdb_lseek_flags (int f)
+{
+ if (f == SEEK_CUR)
+ return GDB_SEEK_CUR;
+ else if (f == SEEK_END)
+ return GDB_SEEK_END;
+ else
+ return GDB_SEEK_SET;
+}
+
+void
+convert_from_gdb_stat (const struct gdb_stat *gs,
+ struct stat *s)
+{
+ s->st_dev = gs->st_dev;
+ s->st_ino = gs->st_ino;
+ s->st_mode = gs->st_mode;
+ s->st_nlink = gs->st_nlink;
+ s->st_uid = gs->st_uid;
+ s->st_gid = gs->st_gid;
+ s->st_rdev = gs->st_rdev;
+ s->st_size = gs->st_size;
+ s->st_blksize = gs->st_blksize;
+ s->st_blocks = gs->st_blocks;
+ s->st_atime = gs->st_atime;
+ s->st_mtime = gs->st_mtime;
+ s->st_ctime = gs->st_ctime;
+}
+
+void
+convert_from_gdb_timeval (const struct gdb_timeval *gt,
+ struct timeval *t)
+{
+ t->tv_sec = gt->tv_sec;
+ t->tv_usec = gt->tv_usec;
+}
+
+int
+convert_from_gdb_errno (int32_t err)
+{
+ switch (err)
+ {
+ case 0: return 0;
+ case GDB_EPERM: return EPERM;
+ case GDB_ENOENT: return ENOENT;
+ case GDB_EINTR: return EINTR;
+ case GDB_EBADF: return EBADF;
+ case GDB_EACCES: return EACCES;
+ case GDB_EFAULT: return EFAULT;
+ case GDB_EBUSY: return EBUSY;
+ case GDB_EEXIST: return EEXIST;
+ case GDB_ENODEV: return ENODEV;
+ case GDB_ENOTDIR: return ENOTDIR;
+ case GDB_EISDIR: return EISDIR;
+ case GDB_EINVAL: return EINVAL;
+ case GDB_ENFILE: return ENFILE;
+ case GDB_EMFILE: return EMFILE;
+ case GDB_EFBIG: return EFBIG;
+ case GDB_ENOSPC: return ENOSPC;
+ case GDB_ESPIPE: return ESPIPE;
+ case GDB_EROFS: return EROFS;
+ case GDB_ENAMETOOLONG: return ENAMETOOLONG;
+ case GDB_EUNKNOWN:
+ default:
+ return EIO;
+ }
+}
+
Index: libgloss/m68k/bdm-gdb.h
===================================================================
RCS file: libgloss/m68k/bdm-gdb.h
diff -N libgloss/m68k/bdm-gdb.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-gdb.h 22 May 2006 22:29:17 -0000 1.1.2.1
@@ -0,0 +1,128 @@
+/*
+ * bdm support for GDB's remote fileio protocol
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+/* Protocol specific representation of datatypes, as specified in D.9.11
+ * of the GDB manual.
+ * Note that since the m68k is big-endian, we can use native
+ * representations of integer datatypes in structured datatypes. */
+
+typedef uint32_t gdb_mode_t;
+typedef uint32_t gdb_time_t;
+
+struct gdb_stat {
+ uint32_t st_dev; /* device */
+ uint32_t st_ino; /* inode */
+ gdb_mode_t st_mode; /* protection */
+ uint32_t st_nlink; /* number of hard links */
+ uint32_t st_uid; /* user ID of owner */
+ uint32_t st_gid; /* group ID of owner */
+ uint32_t st_rdev; /* device type (if inode device) */
+ uint64_t st_size; /* total size, in bytes */
+ uint64_t st_blksize; /* blocksize for filesystem I/O */
+ uint64_t st_blocks; /* number of blocks allocated */
+ gdb_time_t st_atime; /* time of last access */
+ gdb_time_t st_mtime; /* time of last modification */
+ gdb_time_t st_ctime; /* time of last change */
+};
+
+struct gdb_timeval {
+ gdb_time_t tv_sec; /* second */
+ uint64_t tv_usec; /* microsecond */
+};
+
+
+/* Parameters are passed between the library and the debugging stub
+ * in a fixed-size buffer.
+ */
+
+typedef uint32_t gdb_parambuf_t[4];
+
+
+/* open flags */
+
+#define GDB_O_RDONLY 0x0
+#define GDB_O_WRONLY 0x1
+#define GDB_O_RDWR 0x2
+#define GDB_O_APPEND 0x8
+#define GDB_O_CREAT 0x200
+#define GDB_O_TRUNC 0x400
+#define GDB_O_EXCL 0x800
+
+/* mode_t values */
+
+#define GDB_S_IFREG 0100000
+#define GDB_S_IFDIR 040000
+#define GDB_S_IRUSR 0400
+#define GDB_S_IWUSR 0200
+#define GDB_S_IXUSR 0100
+#define GDB_S_IRGRP 040
+#define GDB_S_IWGRP 020
+#define GDB_S_IXGRP 010
+#define GDB_S_IROTH 04
+#define GDB_S_IWOTH 02
+#define GDB_S_IXOTH 01
+
+/* errno values */
+
+#define GDB_EPERM 1
+#define GDB_ENOENT 2
+#define GDB_EINTR 4
+#define GDB_EBADF 9
+#define GDB_EACCES 13
+#define GDB_EFAULT 14
+#define GDB_EBUSY 16
+#define GDB_EEXIST 17
+#define GDB_ENODEV 19
+#define GDB_ENOTDIR 20
+#define GDB_EISDIR 21
+#define GDB_EINVAL 22
+#define GDB_ENFILE 23
+#define GDB_EMFILE 24
+#define GDB_EFBIG 27
+#define GDB_ENOSPC 28
+#define GDB_ESPIPE 29
+#define GDB_EROFS 30
+#define GDB_ENAMETOOLONG 91
+#define GDB_EUNKNOWN 9999
+
+/* lseek flags */
+
+#define GDB_SEEK_SET 0
+#define GDB_SEEK_CUR 1
+#define GDB_SEEK_END 2
+
+
+/* conversion functions */
+
+extern gdb_mode_t convert_to_gdb_mode_t (mode_t m);
+extern int32_t convert_to_gdb_open_flags (int f);
+extern int32_t convert_to_gdb_lseek_flags (int f);
+
+extern void convert_from_gdb_stat (const struct gdb_stat *gs,
+ struct stat *s);
+extern void convert_from_gdb_timeval (const struct gdb_timeval *gt,
+ struct timeval *t);
+extern int convert_from_gdb_errno (int32_t err);
+
+
+
+
+
Index: libgloss/m68k/bdm-gettimeofday.c
===================================================================
RCS file: libgloss/m68k/bdm-gettimeofday.c
diff -N libgloss/m68k/bdm-gettimeofday.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-gettimeofday.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,47 @@
+/*
+ * bdm-gettimeofday.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <sys/time.h>
+#include <errno.h>
+
+/*
+ * gettimeofday -- get the current time
+ * input parameters:
+ * 0 : timeval ptr
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+ gdb_parambuf_t parameters;
+ struct gdb_timeval gtv;
+ if (!tv)
+ return 0;
+ if (tz)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ parameters[0] = (uint32_t) >v;
+ BDM_TRAP (BDM_GETTIMEOFDAY, (uint32_t)parameters);
+ convert_from_gdb_timeval (>v, tv);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-isatty.c
===================================================================
RCS file: libgloss/m68k/bdm-isatty.c
diff -N libgloss/m68k/bdm-isatty.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-isatty.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,38 @@
+/*
+ * bdm-isatty.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * isatty -- check if fd is a terminal
+ * input parameters:
+ * 0 : file descriptor
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int isatty (int fd)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) fd;
+ BDM_TRAP (BDM_ISATTY, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-isrs.c
===================================================================
RCS file: libgloss/m68k/bdm-isrs.c
diff -N libgloss/m68k/bdm-isrs.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-isrs.c 22 May 2006 22:26:09 -0000 1.1.2.3
@@ -0,0 +1,192 @@
+/*
+ * bdm-isv.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+/* This file contains default interrupt handlers code for the
+ interrupt vector. All but one of the interrupts are user
+ replaceable.
+
+ These interrupt handlers are entered whenever the associated
+ interrupt occurs. All they do is stop the debugger to give the user
+ the opportunity to determine where the problem was.
+
+ User trap BDM_TRAPNUM (15) is used for semi hosting support.
+ If you replace this one, semihosting will cease to function. */
+
+
+/* Each ISR is a loop containing a halt instruction */
+#define ISR_DEFINE(NAME) \
+void __attribute__((interrupt_handler)) NAME (void) \
+{ \
+ while (1) \
+ __asm__ __volatile__ ("halt" ::: "memory"); \
+} \
+struct eat_trailing_semicolon
+
+#if defined (L_other_interrupt)
+ISR_DEFINE (__other_interrupt);
+#endif
+
+#if defined (L_reset)
+ISR_DEFINE (__reset);
+#endif
+
+#if defined (L_access_error)
+ISR_DEFINE (__access_error);
+#endif
+
+#if defined (L_address_error)
+ISR_DEFINE (__address_error);
+#endif
+
+#if defined (L_illegal_instruction)
+ISR_DEFINE (__illegal_instruction);
+#endif
+
+#if defined (L_divide_by_zero)
+ISR_DEFINE (__divide_by_zero);
+#endif
+
+#if defined (L_privilege_violation)
+ISR_DEFINE (__privilege_violation);
+#endif
+
+#if defined (L_trace)
+ISR_DEFINE (__trace);
+#endif
+
+#if defined (L_unimplemented_line_a_opcode)
+ISR_DEFINE (__unimplemented_line_a_opcode);
+#endif
+
+#if defined (L_unimplemented_line_f_opcode)
+ISR_DEFINE (__unimplemented_line_f_opcode);
+#endif
+
+#if defined (L_non_pc_breakpoint_debug_interrupt)
+ISR_DEFINE (__non_pc_breakpoint_debug_interrupt);
+#endif
+
+#if defined (L_pc_breakpoint_debug_interrupt)
+ISR_DEFINE (__pc_breakpoint_debug_interrupt);
+#endif
+
+#if defined (L_format_error)
+ISR_DEFINE (__format_error);
+#endif
+
+#if defined (L_spurious_interrupt)
+ISR_DEFINE (__spurious_interrupt);
+#endif
+
+#if defined (L_trap0)
+ISR_DEFINE (__trap0);
+#endif
+
+#if defined (L_trap1)
+ISR_DEFINE (__trap1);
+#endif
+
+#if defined (L_trap2)
+ISR_DEFINE (__trap2);
+#endif
+
+#if defined (L_trap3)
+ISR_DEFINE (__trap3);
+#endif
+
+#if defined (L_trap4)
+ISR_DEFINE (__trap4);
+#endif
+
+#if defined (L_trap5)
+ISR_DEFINE (__trap5);
+#endif
+
+#if defined (L_trap6)
+ISR_DEFINE (__trap6);
+#endif
+
+#if defined (L_trap7)
+ISR_DEFINE (__trap7);
+#endif
+
+#if defined (L_trap8)
+ISR_DEFINE (__trap8);
+#endif
+
+#if defined (L_trap9)
+ISR_DEFINE (__trap9);
+#endif
+
+#if defined (L_trap10)
+ISR_DEFINE (__trap10);
+#endif
+
+#if defined (L_trap11)
+ISR_DEFINE (__trap11);
+#endif
+
+#if defined (L_trap12)
+ISR_DEFINE (__trap12);
+#endif
+
+#if defined (L_trap13)
+ISR_DEFINE (__trap13);
+#endif
+
+#if defined (L_trap14)
+ISR_DEFINE (__trap14);
+#endif
+
+#if defined (L_trap15)
+ISR_DEFINE (__trap15);
+#endif
+
+#if defined (L_fp_branch_unordered)
+ISR_DEFINE (__fp_branch_unordered);
+#endif
+
+#if defined (L_fp_inexact_result)
+ISR_DEFINE (__fp_inexact_result);
+#endif
+
+#if defined (L_fp_divide_by_zero)
+ISR_DEFINE (__fp_divide_by_zero);
+#endif
+
+#if defined (L_fp_underflow)
+ISR_DEFINE (__fp_underflow);
+#endif
+
+#if defined (L_fp_operand_error)
+ISR_DEFINE (__fp_operand_error);
+#endif
+
+#if defined (L_fp_overflow)
+ISR_DEFINE (__fp_overflow);
+#endif
+
+#if defined (L_fp_input_not_a_number)
+ISR_DEFINE (__fp_input_not_a_number);
+#endif
+
+#if defined (L_fp_input_denormalized_number)
+ISR_DEFINE (__fp_input_denormalized_number);
+#endif
+
+#if defined (L_unsupported_instruction)
+ISR_DEFINE (__unsupported_instruction);
+#endif
Index: libgloss/m68k/bdm-isv.c
===================================================================
RCS file: libgloss/m68k/bdm-isv.c
diff -N libgloss/m68k/bdm-isv.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-isv.c 22 May 2006 22:26:09 -0000 1.1.2.4
@@ -0,0 +1,148 @@
+/*
+ * bdm-isv.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+/* This file contains default interrupt handlers and initialization
+ code for the interrupt vector. All but one of the interrupts are
+ user replaceable.
+
+ User trap BDM_TRAPNUM (15) is used for semi hosting support.
+ If you replace this one, semihosting will cease to function. */
+
+#include "bdm-semihost.h"
+
+#define NUM_VECTORS 256
+
+#define ISR_DECLARE(NAME) void __attribute__((interrupt_handler)) NAME (void)
+
+ISR_DECLARE (__other_interrupt);
+ISR_DECLARE (__reset);
+ISR_DECLARE (__access_error);
+ISR_DECLARE (__address_error);
+ISR_DECLARE (__illegal_instruction);
+ISR_DECLARE (__divide_by_zero);
+ISR_DECLARE (__privilege_violation);
+ISR_DECLARE (__trace);
+ISR_DECLARE (__unimplemented_line_a_opcode);
+ISR_DECLARE (__unimplemented_line_f_opcode);
+ISR_DECLARE (__non_pc_breakpoint_debug_interrupt);
+ISR_DECLARE (__pc_breakpoint_debug_interrupt);
+ISR_DECLARE (__format_error);
+ISR_DECLARE (__spurious_interrupt);
+ISR_DECLARE (__trap0);
+ISR_DECLARE (__trap1);
+ISR_DECLARE (__trap2);
+ISR_DECLARE (__trap3);
+ISR_DECLARE (__trap4);
+ISR_DECLARE (__trap5);
+ISR_DECLARE (__trap6);
+ISR_DECLARE (__trap7);
+ISR_DECLARE (__trap8);
+ISR_DECLARE (__trap9);
+ISR_DECLARE (__trap10);
+ISR_DECLARE (__trap11);
+ISR_DECLARE (__trap12);
+ISR_DECLARE (__trap13);
+ISR_DECLARE (__trap14);
+ISR_DECLARE (__trap15);
+ISR_DECLARE (__fp_branch_unordered);
+ISR_DECLARE (__fp_inexact_result);
+ISR_DECLARE (__fp_divide_by_zero);
+ISR_DECLARE (__fp_underflow);
+ISR_DECLARE (__fp_operand_error);
+ISR_DECLARE (__fp_overflow);
+ISR_DECLARE (__fp_input_not_a_number);
+ISR_DECLARE (__fp_input_denormalized_number);
+ISR_DECLARE (__unsupported_instruction);
+
+/* The trap used for semihosting by the debugger. This must have a
+ particular assembly signature, so we don't generate it with the
+ compiler. */
+ISR_DECLARE (__bdm_semihosting);
+
+/* The interrupt vector itself must be provided by the linker script
+ as it requires 1MB alignment. */
+extern void (*__interrupt_vector[NUM_VECTORS])(void);
+
+/* The linker script sets the stack pointer too. */
+extern int __attribute__ ((weak)) __stack;
+
+/* This hook is called during crt startup and installs and initializes
+ the vector table. It is overridable by a user provided routine.
+ If the user routine fails to install the __bdm_semihosting routine,
+ semihosting will cease to function. */
+
+void software_init_hook (void)
+{
+ unsigned ix;
+
+ /* Don't set it if it's -1 (zero is a valid value) */
+ if ((long)&__interrupt_vector == -1)
+ return;
+
+ for (ix = 0; ix != NUM_VECTORS; ix++)
+ __interrupt_vector[ix] = &__other_interrupt;
+
+ /* Set the VBR. */
+ __asm__ __volatile__ ("movec.l %0,%/vbr" :: "r" (&__interrupt_vector));
+
+ /* Set an initial stack and reset vector, in case we unexpectedly get
+ reset. */
+ __interrupt_vector[0] = (&__stack ? (void (*)(void))&__stack
+ : (void (*)(void))&__interrupt_vector[NUM_VECTORS]);
+ __interrupt_vector[1] = &__reset;
+
+ /* Store the known interrupt vectors */
+ __interrupt_vector[2] = &__access_error;
+ __interrupt_vector[3] = &__address_error;
+ __interrupt_vector[4] = &__illegal_instruction;
+ __interrupt_vector[5] = &__divide_by_zero;
+ __interrupt_vector[8] = &__privilege_violation;
+ __interrupt_vector[9] = &__trace;
+ __interrupt_vector[10] = &__unimplemented_line_a_opcode;
+ __interrupt_vector[11] = &__unimplemented_line_f_opcode;
+ __interrupt_vector[12] = &__non_pc_breakpoint_debug_interrupt;
+ __interrupt_vector[13] = &__pc_breakpoint_debug_interrupt;
+ __interrupt_vector[14] = &__format_error;
+ __interrupt_vector[24] = &__spurious_interrupt;
+ __interrupt_vector[32] = &__trap0;
+ __interrupt_vector[33] = &__trap1;
+ __interrupt_vector[34] = &__trap2;
+ __interrupt_vector[35] = &__trap3;
+ __interrupt_vector[36] = &__trap4;
+ __interrupt_vector[37] = &__trap5;
+ __interrupt_vector[38] = &__trap6;
+ __interrupt_vector[39] = &__trap7;
+ __interrupt_vector[40] = &__trap8;
+ __interrupt_vector[41] = &__trap9;
+ __interrupt_vector[42] = &__trap10;
+ __interrupt_vector[43] = &__trap11;
+ __interrupt_vector[44] = &__trap12;
+ __interrupt_vector[45] = &__trap13;
+ __interrupt_vector[46] = &__trap14;
+ __interrupt_vector[47] = &__trap15;
+ __interrupt_vector[48] = &__fp_branch_unordered;
+ __interrupt_vector[49] = &__fp_inexact_result;
+ __interrupt_vector[50] = &__fp_divide_by_zero;
+ __interrupt_vector[51] = &__fp_underflow;
+ __interrupt_vector[52] = &__fp_operand_error;
+ __interrupt_vector[53] = &__fp_overflow;
+ __interrupt_vector[54] = &__fp_input_not_a_number;
+ __interrupt_vector[55] = &__fp_input_denormalized_number;
+ __interrupt_vector[61] = &__unsupported_instruction;
+
+ /* Install the special handler. */
+ __interrupt_vector[0x20 + BDM_TRAPNUM] = &__bdm_semihosting;
+}
Index: libgloss/m68k/bdm-lseek.c
===================================================================
RCS file: libgloss/m68k/bdm-lseek.c
diff -N libgloss/m68k/bdm-lseek.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-lseek.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,46 @@
+/*
+ * bdm-lseek.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * lseek -- reposition a file descriptor
+ * input parameters:
+ * 0 : file descriptor
+ * 1 : high word of offset
+ * 2 : low word of offset
+ * 3 : seek flag
+ * output parameters:
+ * 0 : high word of result
+ * 1 : low word of result
+ * 2 : errno
+ */
+
+off_t lseek (int fd, off_t offset, int whence)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) fd;
+ parameters[1] = (uint32_t) ((offset >> 32) & 0xffffffff);
+ parameters[2] = (uint32_t) (offset & 0xffffffff);
+ parameters[3] = convert_to_gdb_lseek_flags (whence);
+ BDM_TRAP (BDM_LSEEK, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[2]);
+ return ((uint64_t)parameters[0] << 32) | ((uint64_t)parameters[1]);
+}
Index: libgloss/m68k/bdm-open.c
===================================================================
RCS file: libgloss/m68k/bdm-open.c
diff -N libgloss/m68k/bdm-open.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-open.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,56 @@
+/*
+ * bdm-open.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+
+/*
+ * open -- Open a file.
+ * input parameters:
+ * 0 : fname ptr
+ * 1 : fname length
+ * 2 : flags
+ * 3 : mode
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int open (const char *fname, int flags, ...)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) fname;
+ parameters[1] = strlen (fname) + 1;
+ parameters[2] = convert_to_gdb_open_flags (flags);
+ if (flags & O_CREAT)
+ {
+ va_list ap;
+ va_start (ap, flags);
+ parameters[3] = convert_to_gdb_mode_t (va_arg (ap, mode_t));
+ va_end (ap);
+ }
+ else
+ parameters[3] = 0;
+ BDM_TRAP (BDM_OPEN, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-read.c
===================================================================
RCS file: libgloss/m68k/bdm-read.c
diff -N libgloss/m68k/bdm-read.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-read.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,42 @@
+/*
+ * bdm-read.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * read -- read from a file descriptor
+ * input parameters:
+ * 0 : file descriptor
+ * 1 : buf ptr
+ * 2 : count
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+ssize_t read (int fd, void *buf, size_t count)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) fd;
+ parameters[1] = (uint32_t) buf;
+ parameters[2] = (uint32_t) count;
+ BDM_TRAP (BDM_READ, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-rename.c
===================================================================
RCS file: libgloss/m68k/bdm-rename.c
diff -N libgloss/m68k/bdm-rename.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-rename.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,45 @@
+/*
+ * bdm-rename.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+/*
+ * rename -- rename a file
+ * input parameters:
+ * 0 : oldname ptr
+ * 1 : oldname length
+ * 2 : newname ptr
+ * 3 : newname length
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int _rename (const char *oldpath, const char *newpath)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) oldpath;
+ parameters[1] = (uint32_t) strlen (oldpath) + 1;
+ parameters[2] = (uint32_t) newpath;
+ parameters[3] = (uint32_t) strlen (newpath) + 1;
+ BDM_TRAP (BDM_RENAME, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-semihost.c
===================================================================
RCS file: libgloss/m68k/bdm-semihost.c
diff -N libgloss/m68k/bdm-semihost.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-semihost.c 29 Mar 2006 07:29:11 -0000 1.1.2.2
@@ -0,0 +1,25 @@
+/*
+ * bdm-semihost.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+/* Semihosting trap. The debugger intercepts this and
+ performs the semihosting action. Then the program resumes as
+ usual. This function must be compiled without a frame pointer, so
+ we know the halt instruction is the very first instuction. */
+
+void __attribute__ ((interrupt_handler)) __bdm_semihosting (void)
+{
+ __asm__ __volatile__ ("halt" ::: "memory");
+}
Index: libgloss/m68k/bdm-semihost.h
===================================================================
RCS file: libgloss/m68k/bdm-semihost.h
diff -N libgloss/m68k/bdm-semihost.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-semihost.h 24 May 2006 07:54:51 -0000 1.1.2.4
@@ -0,0 +1,57 @@
+/*
+ * bdm semihosting support.
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+/* Semihosting uses a user trap handler containing a HALT
+ instruction. This wakes the debugger to perform some action. */
+
+/* This is the semihosting trap hander */
+#define BDM_TRAPNUM 15
+
+/* This register holds the function enumeration for a semihosting
+ command. */
+#define BDM_FUNC_REG "d0"
+
+/* This register holds the argument for the semihosting call. For most
+ functions, this is a pointer to a block of memory that holds the input
+ and output parameters for the remote file i/o operation. */
+#define BDM_ARG_REG "d1"
+
+/* Codes for BDM_FUNC_REG. */
+
+#define BDM_EXIT 0
+#define BDM_PUTCHAR 1 /* Obsolete */
+#define BDM_OPEN 2
+#define BDM_CLOSE 3
+#define BDM_READ 4
+#define BDM_WRITE 5
+#define BDM_LSEEK 6
+#define BDM_RENAME 7
+#define BDM_UNLINK 8
+#define BDM_STAT 9
+#define BDM_FSTAT 10
+#define BDM_GETTIMEOFDAY 11
+#define BDM_ISATTY 12
+#define BDM_SYSTEM 13
+
+/* Here is the macro that generates the trap. */
+
+#define BDM_TRAP(func, arg) \
+ __asm__ __volatile__ ("move.l %0,%/" BDM_ARG_REG "\n" \
+ "moveq %1,%/" BDM_FUNC_REG "\n" \
+ "trap %2" \
+ :: "rmi" (arg), "n" (func), "n" (BDM_TRAPNUM) \
+ : BDM_FUNC_REG,BDM_ARG_REG,"memory")
+
Index: libgloss/m68k/bdm-stat.c
===================================================================
RCS file: libgloss/m68k/bdm-stat.c
diff -N libgloss/m68k/bdm-stat.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-stat.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,48 @@
+/*
+ * bdm-stat.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * stat -- get file information
+ * input parameters:
+ * 0 : filename ptr
+ * 1 : filename length
+ * 2 : stat buf ptr
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+
+int stat (const char *filename, struct stat *buf)
+{
+ gdb_parambuf_t parameters;
+ struct gdb_stat gbuf;
+ parameters[0] = (uint32_t) filename;
+ parameters[1] = (uint32_t) strlen (filename) + 1;
+ parameters[2] = (uint32_t) &gbuf;
+ BDM_TRAP (BDM_STAT, (uint32_t)parameters);
+ convert_from_gdb_stat (&gbuf, buf);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-system.c
===================================================================
RCS file: libgloss/m68k/bdm-system.c
diff -N libgloss/m68k/bdm-system.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-system.c 9 Jun 2006 20:31:19 -0000 1.1.2.4
@@ -0,0 +1,55 @@
+/*
+ * bdm-system.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/wait.h>
+/*
+ * system: execute command on (remote) host
+ * input parameters:
+ * 0 : command ptr
+ * 1 : command length
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int _system (const char *command)
+{
+ int e;
+ gdb_parambuf_t parameters;
+
+ parameters[0] = (uint32_t) command;
+ parameters[1] = command ? (uint32_t) strlen (command) + 1 : 0;
+ BDM_TRAP (BDM_SYSTEM, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ e = parameters[0];
+ if (e >= 0 && command)
+ {
+ /* We have to convert e, an exit status to the encoded status of
+ the command. To avoid hard coding the exit status, we simply
+ loop until we find the right position. */
+ int exit_code;
+
+ for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
+ continue;
+ }
+
+ return e;
+}
Index: libgloss/m68k/bdm-time.c
===================================================================
RCS file: libgloss/m68k/bdm-time.c
diff -N libgloss/m68k/bdm-time.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-time.c 5 Jun 2006 14:22:26 -0000 1.1.2.1
@@ -0,0 +1,21 @@
+#include <sys/time.h>
+
+/*
+ * time -- get the current time
+ * input parameters:
+ * 0 : timeval ptr
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+time_t time (time_t *t)
+{
+ struct timeval tv;
+
+ if (gettimeofday (&tv, NULL))
+ return -1;
+ if (t)
+ *t = tv.tv_sec;
+ return tv.tv_sec;
+}
Index: libgloss/m68k/bdm-unlink.c
===================================================================
RCS file: libgloss/m68k/bdm-unlink.c
diff -N libgloss/m68k/bdm-unlink.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-unlink.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,41 @@
+/*
+ * bdm-unlink.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+/*
+ * unlink -- unlink (delete) a file
+ * input parameters:
+ * 0 : filename ptr
+ * 1 : filename length
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+int unlink (const char *path)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) path;
+ parameters[1] = (uint32_t) strlen (path) + 1;
+ BDM_TRAP (BDM_UNLINK, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/bdm-write.c
===================================================================
RCS file: libgloss/m68k/bdm-write.c
diff -N libgloss/m68k/bdm-write.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/bdm-write.c 5 Jun 2006 14:22:26 -0000 1.1.2.2
@@ -0,0 +1,42 @@
+/*
+ * bdm-write.c --
+ *
+ * Copyright (c) 2006 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include "bdm-semihost.h"
+#include "bdm-gdb.h"
+#include <unistd.h>
+#include <errno.h>
+
+/*
+ * write -- write to a file descriptor
+ * input parameters:
+ * 0 : file descriptor
+ * 1 : buf ptr
+ * 2 : count
+ * output parameters:
+ * 0 : result
+ * 1 : errno
+ */
+
+ssize_t write (int fd, const void *buf, size_t count)
+{
+ gdb_parambuf_t parameters;
+ parameters[0] = (uint32_t) fd;
+ parameters[1] = (uint32_t) buf;
+ parameters[2] = (uint32_t) count;
+ BDM_TRAP (BDM_WRITE, (uint32_t)parameters);
+ errno = convert_from_gdb_errno (parameters[1]);
+ return parameters[0];
+}
Index: libgloss/m68k/cf.sc
===================================================================
RCS file: libgloss/m68k/cf.sc
diff -N libgloss/m68k/cf.sc
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ libgloss/m68k/cf.sc 24 Jul 2006 16:49:07 -0000 1.1.2.3
@@ -0,0 +1,112 @@
+# a linker script template.
+# RAMSTART - start of board's ram
+# RAMSIZE - size of board's ram
+# RAMDBUG - bytes at start of RAM for DBUG use
+# ISV - nonnull if interrupt service vector should be provided.
+# IO - io library
+
+cat <<EOF
+STARTUP(crt0.o)
+OUTPUT_ARCH(m68k)
+ENTRY(_start)
+SEARCH_DIR(.)
+GROUP(-lc -l${IO})
+__DYNAMIC = 0;
+
+MEMORY
+{
+ ram (rwx) : ORIGIN = ${RAMSTART} + ${RAMDBUG:-0},
+ LENGTH = ${RAMSIZE} - ${RAMDBUG:-0}
+}
+
+/* Place the stack at the end of memory, unless specified otherwise. */
+PROVIDE (__stack = ${RAMSTART} + ${RAMSIZE});
+
+/* Inhibit an interrupt vector, if one is not specified. */
+PROVIDE (__interrupt_vector = -1);
+
+/*
+ * Initalize some symbols to be zero so we can reference them in the
+ * crt0 without core dumping. These functions are all optional, but
+ * we do this so we can have our crt0 always use them if they exist.
+ */
+PROVIDE (hardware_init_hook = 0);
+PROVIDE (software_init_hook = 0);
+/*
+ * stick everything in ram (of course)
+ */
+SECTIONS
+{
+ .text :
+ {
+ CREATE_OBJECT_SYMBOLS
+ ${ISV+__interrupt_vector = .; . += 256 * 4;}
+ *(.text .text.*)
+
+ . = ALIGN(0x4);
+ /* These are for running static constructors and destructors under ELF. */
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
+
+ *(.rodata .rodata.*)
+
+ . = ALIGN(0x4);
+ *(.gcc_except_table)
+
+ . = ALIGN(0x4);
+ *(.eh_frame)
+
+ . = ALIGN(0x4);
+ __INIT_SECTION__ = . ;
+ LONG (0x4e560000) /* linkw %fp,#0 */
+ *(.init)
+ SHORT (0x4e5e) /* unlk %fp */
+ SHORT (0x4e75) /* rts */
+
+ . = ALIGN(0x4);
+ __FINI_SECTION__ = . ;
+ LONG (0x4e560000) /* linkw %fp,#0 */
+ *(.fini)
+ SHORT (0x4e5e) /* unlk %fp */
+ SHORT (0x4e75) /* rts */
+
+ _etext = .;
+ *(.lit)
+ } > ram
+
+ .data :
+ {
+ *(.got.plt) *(.got)
+ *(.shdata)
+ *(.data .data.*)
+ _edata = .;
+ } > ram
+
+ .bss :
+ {
+ . = ALIGN(0x4);
+ __bss_start = . ;
+ *(.shbss)
+ *(.bss .bss.*)
+ *(COMMON)
+ _end = ALIGN (0x8);
+ __end = _end;
+ } > ram
+
+ .stab 0 (NOLOAD) :
+ {
+ *(.stab)
+ }
+
+ .stabstr 0 (NOLOAD) :
+ {
+ *(.stabstr)
+ }
+}
+EOF
Index: libgloss/m68k/crt0.S
===================================================================
RCS file: /cvs/src/src/libgloss/m68k/crt0.S,v
retrieving revision 1.3
retrieving revision 1.3.2.1
diff -u -r1.3 -r1.3.2.1
--- libgloss/m68k/crt0.S 22 Feb 2006 18:02:54 -0000 1.3
+++ libgloss/m68k/crt0.S 24 Jul 2006 16:49:07 -0000 1.3.2.1
@@ -52,11 +52,17 @@
.extern _end
/*
- * set things up so the application will run. This *must* be called start.
+ * Set things up so the application will run. For historical reasons
+ * this is called 'start'. We set things up to provide '_start'
+ * as with other systems, but also provide a weak alias called
+ * 'start' for compatibility with existing linker scripts.
*/
.global SYM (start)
+ .weak SYM (start)
+ .set SYM (start),SYM(_start)
-SYM (start):
+ .global SYM (_start)
+SYM (_start):
/*
* put any hardware init code here
*/
Index: libgloss/m68k/dbug-cf.sc
===================================================================
RCS file: libgloss/m68k/dbug-cf.sc
diff -N libgloss/m68k/dbug-cf.sc
--- libgloss/m68k/dbug-cf.sc 22 Feb 2006 18:02:54 -0000 1.1
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,112 +0,0 @@
-# a linker script template.
-# RAMSTART - start of board's ram
-# RAMSIZE - size of board's ram
-# RAMDBUG - bytes at start of RAM for DBUG use
-
-cat <<EOF
-STARTUP(crt0.o)
-OUTPUT_ARCH(m68k)
-/* DBUG loads SREC files */
-/*OUTPUT_FORMAT(srec)*/
-ENTRY(start)
-SEARCH_DIR(.)
-GROUP(-ldbug -lc -lgcc -ldbug)
-__DYNAMIC = 0;
-
-MEMORY
-{
- ram (rwx) : ORIGIN = ${RAMSTART} + ${RAMDBUG:-0},
- LENGTH = ${RAMSIZE} - ${RAMDBUG:-0}
-}
-
-PROVIDE (__stack = ${RAMSTART} + ${RAMSIZE});
-
-/*
- * Initalize some symbols to be zero so we can reference them in the
- * crt0 without core dumping. These functions are all optional, but
- * we do this so we can have our crt0 always use them if they exist.
- * This is so BSPs work better when using the crt0 installed gcc.
- * We have to initalize them twice, so we cover a.out (which prepends
- * an underscore) and coff object file formats.
- */
-PROVIDE (hardware_init_hook = 0);
-PROVIDE (_hardware_init_hook = 0);
-PROVIDE (software_init_hook = 0);
-PROVIDE (_software_init_hook = 0);
-/*
- * stick everything in ram (of course)
- */
-SECTIONS
-{
- .text :
- {
- CREATE_OBJECT_SYMBOLS
- *(.text .text.*)
-
- . = ALIGN(0x4);
- /* These are for running static constructors and destructors under ELF. */
- KEEP (*crtbegin.o(.ctors))
- KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
- KEEP (*(SORT(.ctors.*)))
- KEEP (*(.ctors))
- KEEP (*crtbegin.o(.dtors))
- KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
- KEEP (*(SORT(.dtors.*)))
- KEEP (*(.dtors))
-
- *(.rodata .rodata.*)
-
- . = ALIGN(0x4);
- *(.gcc_except_table)
-
- . = ALIGN(0x4);
- *(.eh_frame)
-
- . = ALIGN(0x4);
- __INIT_SECTION__ = . ;
- LONG (0x4e560000) /* linkw %fp,#0 */
- *(.init)
- SHORT (0x4e5e) /* unlk %fp */
- SHORT (0x4e75) /* rts */
-
- . = ALIGN(0x4);
- __FINI_SECTION__ = . ;
- LONG (0x4e560000) /* linkw %fp,#0 */
- *(.fini)
- SHORT (0x4e5e) /* unlk %fp */
- SHORT (0x4e75) /* rts */
-
- _etext = .;
- *(.lit)
- } > ram
-
- .data :
- {
- *(.got.plt) *(.got)
- *(.shdata)
- *(.data .data.*)
- _edata = .;
- } > ram
-
- .bss :
- {
- . = ALIGN(0x4);
- __bss_start = . ;
- *(.shbss)
- *(.bss .bss.*)
- *(COMMON)
- _end = ALIGN (0x8);
- __end = _end;
- } > ram
-
- .stab 0 (NOLOAD) :
- {
- *(.stab)
- }
-
- .stabstr 0 (NOLOAD) :
- {
- *(.stabstr)
- }
-}
-EOF
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