diff options
-rw-r--r-- | nuttx/ChangeLog | 2 | ||||
-rw-r--r-- | nuttx/Documentation/NuttX.html | 4 | ||||
-rw-r--r-- | nuttx/binfmt/Makefile | 8 | ||||
-rw-r--r-- | nuttx/binfmt/symtab_findbyname.c | 97 |
4 files changed, 108 insertions, 3 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index ab8724cc5..b4764a1a6 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -789,6 +789,8 @@ derives from http://xflat.sourceforge.net. At present is supports on XIP execution from ROMFS file systems. Initial check-in is untested and probably breaks many builds. + * examples/lib: Added qsort() + * examples/nxflat: Added support for symbol tables diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html index cb637824d..716654e4b 100644 --- a/nuttx/Documentation/NuttX.html +++ b/nuttx/Documentation/NuttX.html @@ -8,7 +8,7 @@ <tr align="center" bgcolor="#e4e4e4"> <td> <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1> - <p>Last Updated: June 18, 2009</p> + <p>Last Updated: June 20, 2009</p> </td> </tr> </table> @@ -1481,6 +1481,8 @@ nuttx-0.4.9 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> derives from http://xflat.sourceforge.net. At present is supports on XIP execution from ROMFS file systems. Initial check-in is untested and probably breaks many builds. + * examples/lib: Added qsort() + * examples/nxflat: Added support for symbol tables pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> diff --git a/nuttx/binfmt/Makefile b/nuttx/binfmt/Makefile index 589964c86..30a2fb260 100644 --- a/nuttx/binfmt/Makefile +++ b/nuttx/binfmt/Makefile @@ -47,12 +47,16 @@ BINFMT_CSRCS = binfmt_globals.c binfmt_register.c binfmt_unregister.c \ binfmt_loadmodule.c binfmt_unloadmodule.c binfmt_execmodule.c \ binfmt_dumpmodule.c +SYMTAB_ASRCS = +SYMTAB_CSRCS = symtab_findbyname.c symtab_findbyvalue.c \ + symtab_findorderedbyname.c symtab_findorderedbyvalue.c + SUBDIRS = libnxflat -ASRCS = $(BINFMT_ASRCS) $(LIBNXFLAT_ASRCS) +ASRCS = $(BINFMT_ASRCS) $(SYMTAB_ASRCS) $(LIBNXFLAT_ASRCS) AOBJS = $(ASRCS:.S=$(OBJEXT)) -CSRCS = $(BINFMT_CSRCS) $(LIBNXFLAT_CSRCS) +CSRCS = $(BINFMT_CSRCS) $(SYMTAB_CSRCS) $(LIBNXFLAT_CSRCS) COBJS = $(CSRCS:.c=$(OBJEXT)) SRCS = $(ASRCS) $(CSRCS) diff --git a/nuttx/binfmt/symtab_findbyname.c b/nuttx/binfmt/symtab_findbyname.c new file mode 100644 index 000000000..c56ac161e --- /dev/null +++ b/nuttx/binfmt/symtab_findbyname.c @@ -0,0 +1,97 @@ +/**************************************************************************** + * binfmt/symtab_findbyname.c + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <sys/types.h> + +#include <debug.h> +#include <assert.h> +#include <errno.h> + +#include <nuttx/symtab.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/*********************************************************************** + * Public Functions + ***********************************************************************/ + +/**************************************************************************** + * Name: symtab_findbyname + * + * Description: + * Find the symbol in the symbol table with the matching name. + * This version assumes that table is not ordered with respect to symbol + * name and, hence, access time will be linear with respect to nsyms. + * + * Returned Value: + * A reference to the symbol table entry if an entry with the matching + * name is found; NULL is returned if the entry is not found. + * + ****************************************************************************/ + +FAR const struct symtab_s * +symtab_findbyname(FAR const struct symtab_s *symtab, + FAR const char *name, int nsyms) +{ + DEBUGASSERT(symtab != NULL && name != NULL); + for (; nsyms > 0; symtab++, nsyms--) + { + if (strcmp(name, symtab->sym_name) == 0) + { + return symtab; + } + } + return NULL; +} + |