forked from Archive/PX4-Autopilot
Add interfaces to dynamically change symbol tables used by posix_spawn, execv, and execl. This is needed for testing.
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5506 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
9f8f8fc6dc
commit
6f241ed044
|
|
@ -182,6 +182,10 @@ ifeq ($(CONFIG_EXAMPLES_PWM),y)
|
|||
CONFIGURED_APPS += examples/pwm
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_EXAMPLES_POSIXSPAWN),y)
|
||||
CONFIGURED_APPS += examples/posix_spawn
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_EXAMPLES_QENCODER),y)
|
||||
CONFIGURED_APPS += examples/qencoder
|
||||
endif
|
||||
|
|
|
|||
|
|
@ -40,8 +40,8 @@
|
|||
SUBDIRS = adc buttons can cdcacm composite cxxtest dhcpd discover elf ftpc
|
||||
SUBDIRS += ftpd hello helloxx hidkbd igmp json keypadtest lcdrw mm modbus mount
|
||||
SUBDIRS += nettest nsh null nx nxconsole nxffs nxflat nxhello nximage
|
||||
SUBDIRS += nxlines nxtext ostest pashello pipe poll pwm qencoder relays
|
||||
SUBDIRS += rgmp romfs serloop telnetd thttpd tiff touchscreen udp uip
|
||||
SUBDIRS += nxlines nxtext ostest pashello pipe poll pwm posix_spawn qencoder
|
||||
SUBDIRS += relays rgmp romfs serloop telnetd thttpd tiff touchscreen udp uip
|
||||
SUBDIRS += usbserial sendmail usbstorage usbterm watchdog wget wgetjson
|
||||
|
||||
# Sub-directories that might need context setup. Directories may need
|
||||
|
|
|
|||
|
|
@ -329,10 +329,10 @@ examples/elf
|
|||
each program in the ROMFS file system is executed. Requires CONFIG_ELF.
|
||||
Other configuration options:
|
||||
|
||||
CONFIG_EXAMPLES_ELF_DEVMINOR - The minor device number of the ROMFS block.
|
||||
For example, the N in /dev/ramN. Used for registering the RAM block driver
|
||||
that will hold the ROMFS file system containing the ELF executables to be
|
||||
tested. Default: 0
|
||||
CONFIG_EXAMPLES_ELF_DEVMINOR - The minor device number of the ROMFS block
|
||||
driver. For example, the N in /dev/ramN. Used for registering the RAM
|
||||
block driver that will hold the ROMFS file system containing the ELF
|
||||
executables to be tested. Default: 0
|
||||
|
||||
CONFIG_EXAMPLES_ELF_DEVPATH - The path to the ROMFS block driver device. This
|
||||
must match EXAMPLES_ELF_DEVMINOR. Used for registering the RAM block driver
|
||||
|
|
@ -348,7 +348,7 @@ examples/elf
|
|||
|
||||
Similarly for C++ flags which must be provided in CXXELFFLAGS.
|
||||
|
||||
2. Your top-level nuttx/Make.defs file must alos include an approproate definition,
|
||||
2. Your top-level nuttx/Make.defs file must also include an approproate definition,
|
||||
LDELFFLAGS, to generate a relocatable ELF object. With GNU LD, this should
|
||||
include '-r' and '-e main' (or _main on some platforms).
|
||||
|
||||
|
|
@ -1202,6 +1202,80 @@ examples/poll
|
|||
|
||||
CONFIGURED_APPS += uiplib
|
||||
|
||||
examples/posix_spawn
|
||||
^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
This is a simple test of the posix_spawn() API. The example derives from
|
||||
examples/elf. As a result, these tests are built using the relocatable
|
||||
ELF format installed in a ROMFS file system. At run time, the test program
|
||||
in the ROMFS file system is spawned using posix_spawn().
|
||||
|
||||
Requires:
|
||||
|
||||
CONFIG_BINFMT_DISABLE=n - Don't disable the binary loader
|
||||
CONFIG_ELF=y - Enable ELF binary loader
|
||||
CONFIG_LIBC_EXECFUNCS=y - Enable support for posix_spawn
|
||||
CONFIG_EXECFUNCS_SYMTAB="exports" - The name of the symbol table
|
||||
created by the test.
|
||||
CONFIG_EXECFUNCS_NSYMBOLS=10 - Value does not matter, it will be
|
||||
corrected at runtime.
|
||||
CONFIG_POSIX_SPAWN_STACKSIZE=768 - This default setting.
|
||||
|
||||
Test-specific configuration options:
|
||||
|
||||
CONFIG_EXAMPLES_POSIXSPAWN_DEVMINOR - The minor device number of the ROMFS
|
||||
block. driver. For example, the N in /dev/ramN. Used for registering the
|
||||
RAM block driver that will hold the ROMFS file system containing the ELF
|
||||
executables to be tested. Default: 0
|
||||
|
||||
CONFIG_EXAMPLES_POSIXSPAWN_DEVPATH - The path to the ROMFS block driver
|
||||
device. This must match EXAMPLES_POSIXSPAWN_DEVMINOR. Used for
|
||||
registering the RAM block driver that will hold the ROMFS file system
|
||||
containing the ELF executables to be tested. Default: "/dev/ram0"
|
||||
|
||||
NOTES:
|
||||
|
||||
1. CFLAGS should be provided in CELFFLAGS. RAM and FLASH memory regions
|
||||
may require long allcs. For ARM, this might be:
|
||||
|
||||
CELFFLAGS = $(CFLAGS) -mlong-calls
|
||||
|
||||
Similarly for C++ flags which must be provided in CXXELFFLAGS.
|
||||
|
||||
2. Your top-level nuttx/Make.defs file must also include an approproate
|
||||
definition, LDELFFLAGS, to generate a relocatable ELF object. With GNU
|
||||
LD, this should include '-r' and '-e main' (or _main on some platforms).
|
||||
|
||||
LDELFFLAGS = -r -e main
|
||||
|
||||
If you use GCC to link, you make also need to include '-nostdlib' or
|
||||
'-nostartfiles' and '-nodefaultlibs'.
|
||||
|
||||
3. This example also requires genromfs. genromfs can be build as part of the
|
||||
nuttx toolchain. Or can built from the genromfs sources that can be found
|
||||
at misc/tools/genromfs-0.5.2.tar.gz. In any event, the PATH variable must
|
||||
include the path to the genromfs executable.
|
||||
|
||||
4. ELF size: The ELF files in this example are, be default, quite large
|
||||
because they include a lot of "build garbage". You can greatly reduce the
|
||||
size of the ELF binaries are using the 'objcopy --strip-unneeded' command to
|
||||
remove un-necessary information from the ELF files.
|
||||
|
||||
5. Simulator. You cannot use this example with the the NuttX simulator on
|
||||
Cygwin. That is because the Cygwin GCC does not generate ELF file but
|
||||
rather some Windows-native binary format.
|
||||
|
||||
If you really want to do this, you can create a NuttX x86 buildroot toolchain
|
||||
and use that be build the ELF executables for the ROMFS file system.
|
||||
|
||||
6. Linker scripts. You might also want to use a linker scripts to combine
|
||||
sections better. An example linker script is at nuttx/binfmt/libelf/gnu-elf.ld.
|
||||
That example might have to be tuned for your particular linker output to
|
||||
position additional sections correctly. The GNU LD LDELFFLAGS then might
|
||||
be:
|
||||
|
||||
LDELFFLAGS = -r -e main -T$(TOPDIR)/binfmt/libelf/gnu-elf.ld
|
||||
|
||||
examples/pwm
|
||||
^^^^^^^^^^^^
|
||||
|
||||
|
|
|
|||
|
|
@ -165,6 +165,12 @@ EXTERN int rmdir(FAR const char *pathname);
|
|||
#ifdef CONFIG_LIBC_EXECFUNCS
|
||||
EXTERN int execl(FAR const char *path, ...);
|
||||
EXTERN int execv(FAR const char *path, FAR char *const argv[]);
|
||||
|
||||
/* Non-standard functions to manage symbol tables */
|
||||
|
||||
struct symtab_s; /* See include/nuttx/binfmt/symtab.h */
|
||||
EXTERN void exec_getsymtab(FAR struct symtab_s **symtab, FAR int *nsymbols);
|
||||
EXTERN void exec_setsymtab(FAR const struct symtab_s *symtab, int nsymbols);
|
||||
#endif
|
||||
|
||||
/* Other */
|
||||
|
|
|
|||
|
|
@ -157,11 +157,17 @@ static int ps_exec(FAR pid_t *pidp, FAR const char *path,
|
|||
FAR char *const argv[])
|
||||
{
|
||||
struct sched_param param;
|
||||
FAR struct symtab_s *symtab;
|
||||
int nsymbols;
|
||||
int pid;
|
||||
int ret = OK;
|
||||
|
||||
DEBUGASSERT(path);
|
||||
|
||||
/* Get the current symbol table selection */
|
||||
|
||||
exec_getsymtab(&symtab, &nsymbols);
|
||||
|
||||
/* Disable pre-emption so that we can modify the task parameters after
|
||||
* we start the new task; the new task will not actually begin execution
|
||||
* until we re-enable pre-emption.
|
||||
|
|
@ -171,13 +177,11 @@ static int ps_exec(FAR pid_t *pidp, FAR const char *path,
|
|||
|
||||
/* Start the task */
|
||||
|
||||
pid = exec(path, (FAR const char **)argv, &CONFIG_EXECFUNCS_SYMTAB,
|
||||
CONFIG_EXECFUNCS_NSYMBOLS);
|
||||
|
||||
pid = exec(path, (FAR const char **)argv, symtab, nsymbols);
|
||||
if (pid < 0)
|
||||
{
|
||||
ret = errno;
|
||||
sdbg("exec failed: %d\n", ret);
|
||||
sdbg("ERROR: exec failed: %d\n", ret);
|
||||
goto errout;
|
||||
}
|
||||
|
||||
|
|
@ -211,6 +215,9 @@ static int ps_exec(FAR pid_t *pidp, FAR const char *path,
|
|||
|
||||
if ((attr->flags & POSIX_SPAWN_SETSCHEDULER) == 0)
|
||||
{
|
||||
svdbg("Setting priority=%d for pid=%d\n",
|
||||
param.sched_priority, pid);
|
||||
|
||||
(void)sched_setparam(pid, ¶m);
|
||||
}
|
||||
}
|
||||
|
|
@ -231,6 +238,9 @@ static int ps_exec(FAR pid_t *pidp, FAR const char *path,
|
|||
|
||||
if ((attr->flags & POSIX_SPAWN_SETSCHEDULER) != 0)
|
||||
{
|
||||
svdbg("Setting policy=%d priority=%d for pid=%d\n",
|
||||
attr->policy, param.sched_priority, pid);
|
||||
|
||||
(void)sched_setscheduler(pid, attr->policy, ¶m);
|
||||
}
|
||||
}
|
||||
|
|
@ -262,18 +272,27 @@ static inline int spawn_close(FAR struct spawn_close_file_action_s *action)
|
|||
{
|
||||
/* The return value from close() is ignored */
|
||||
|
||||
svdbg("Closing fd=%d\n", action->fd);
|
||||
|
||||
(void)close(action->fd);
|
||||
return OK;
|
||||
}
|
||||
|
||||
static inline int spawn_dup2(FAR struct spawn_dup2_file_action_s *action)
|
||||
{
|
||||
int ret;
|
||||
|
||||
/* Perform the dup */
|
||||
|
||||
int ret = dup2(action->fd1, action->fd2);
|
||||
svdbg("Dup'ing %d->%d\n", action->fd1, action->fd2);
|
||||
|
||||
ret = dup2(action->fd1, action->fd2);
|
||||
if (ret < 0)
|
||||
{
|
||||
return errno;
|
||||
int errcode = errno;
|
||||
|
||||
sdbg("ERROR: dup2 failed: %d\n", errcode);
|
||||
return errcode;
|
||||
}
|
||||
|
||||
return OK;
|
||||
|
|
@ -286,10 +305,14 @@ static inline int spawn_open(FAR struct spawn_open_file_action_s *action)
|
|||
|
||||
/* Open the file */
|
||||
|
||||
svdbg("Open'ing path=%s oflags=%04x mode=%04x\n",
|
||||
action->path, action->oflags, action->mode);
|
||||
|
||||
fd = open(action->path, action->oflags, action->mode);
|
||||
if (fd < 0)
|
||||
{
|
||||
ret = errno;
|
||||
sdbg("ERROR: open failed: %d\n", ret);
|
||||
}
|
||||
|
||||
/* Does the return file descriptor happen to match the required file
|
||||
|
|
@ -300,12 +323,16 @@ static inline int spawn_open(FAR struct spawn_open_file_action_s *action)
|
|||
{
|
||||
/* No.. dup2 to get the correct file number */
|
||||
|
||||
svdbg("Dup'ing %d->%d\n", fd, action->fd);
|
||||
|
||||
ret = dup2(fd, action->fd);
|
||||
if (ret < 0)
|
||||
{
|
||||
ret = errno;
|
||||
sdbg("ERROR: dup2 failed: %d\n", ret);
|
||||
}
|
||||
|
||||
svdbg("Closing fd=%d\n", fd);
|
||||
close(fd);
|
||||
}
|
||||
|
||||
|
|
@ -379,6 +406,7 @@ static int spawn_proxy(int argc, char *argv[])
|
|||
|
||||
case SPAWN_FILE_ACTION_NONE:
|
||||
default:
|
||||
sdbg("ERROR: Unknown action: %d\n", entry->action);
|
||||
ret = EINVAL;
|
||||
break;
|
||||
}
|
||||
|
|
@ -517,6 +545,9 @@ int posix_spawn(FAR pid_t *pid, FAR const char *path,
|
|||
|
||||
DEBUGASSERT(path);
|
||||
|
||||
svdbg("pid=%p path=%s file_actions=%p attr=%p argv=%p\n",
|
||||
pid, path, file_actions, attr, argv);
|
||||
|
||||
/* If there are no file actions to be performed and there is no change to
|
||||
* the signal mask, then start the new child task directly from the parent task.
|
||||
*/
|
||||
|
|
@ -559,8 +590,11 @@ int posix_spawn(FAR pid_t *pid, FAR const char *path,
|
|||
ret = sched_getparam(0, ¶m);
|
||||
if (ret < 0)
|
||||
{
|
||||
int errcode = errno;
|
||||
|
||||
sdbg("ERROR: sched_getparam failed: %d\n", errcode);
|
||||
ps_semgive(&g_ps_parmsem);
|
||||
return errno;
|
||||
return errcode;
|
||||
}
|
||||
|
||||
/* Start the intermediary/proxy task at the same priority as the parent task. */
|
||||
|
|
@ -570,8 +604,11 @@ int posix_spawn(FAR pid_t *pid, FAR const char *path,
|
|||
(const char **)NULL);
|
||||
if (proxy < 0)
|
||||
{
|
||||
int errcode = errno;
|
||||
|
||||
sdbg("ERROR: Failed to start spawn_proxy: %d\n", errcode);
|
||||
ps_semgive(&g_ps_parmsem);
|
||||
return errno;
|
||||
return errcode;
|
||||
}
|
||||
|
||||
/* Wait for the proxy to complete its job */
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/****************************************************************************
|
||||
* libc/spawn/spawn.h
|
||||
*
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
|
|
|
|||
|
|
@ -43,7 +43,7 @@ CSRCS += lib_chdir.c lib_getcwd.c
|
|||
endif
|
||||
|
||||
ifeq ($(CONFIG_LIBC_EXECFUNCS),y)
|
||||
CSRCS += lib_execl.c lib_execv.c
|
||||
CSRCS += lib_execl.c lib_execv.c lib_execsymtab.c
|
||||
endif
|
||||
endif
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,147 @@
|
|||
/****************************************************************************
|
||||
* libc/unistd/lib_execsymtab.c
|
||||
*
|
||||
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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 <assert.h>
|
||||
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/binfmt/symtab.h>
|
||||
|
||||
#ifdef CONFIG_LIBC_EXECFUNCS
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
/* If CONFIG_LIBC_EXECFUNCS is defined in the configuration, then the
|
||||
* following must also be defined:
|
||||
*/
|
||||
|
||||
/* Symbol table used by exec[l|v] */
|
||||
|
||||
#ifndef CONFIG_EXECFUNCS_SYMTAB
|
||||
# error "CONFIG_EXECFUNCS_SYMTAB must be defined"
|
||||
#endif
|
||||
|
||||
/* Number of Symbols in the Table */
|
||||
|
||||
#ifndef CONFIG_EXECFUNCS_NSYMBOLS
|
||||
# error "CONFIG_EXECFUNCS_NSYMBOLS must be defined"
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Variables
|
||||
****************************************************************************/
|
||||
|
||||
extern struct symtab_s CONFIG_EXECFUNCS_SYMTAB;
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
static FAR struct symtab_s *g_exec_symtab = &CONFIG_EXECFUNCS_SYMTAB;
|
||||
static int g_exec_nsymbols = CONFIG_EXECFUNCS_NSYMBOLS;
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: exec_getsymtab
|
||||
*
|
||||
* Description:
|
||||
* Get the current symbol table selection as an atomic operation.
|
||||
*
|
||||
* Input Parameters:
|
||||
* symtab - The location to store the symbol table.
|
||||
* nsymbols - The location to store the number of symbols in the symbol table.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void exec_getsymtab(FAR struct symtab_s **symtab, FAR int *nsymbols)
|
||||
{
|
||||
irqstate_t flags;
|
||||
|
||||
DEBUGASSERT(symtab && nsymbols);
|
||||
|
||||
/* Disable interrupts very briefly so that both the symbol table and its
|
||||
* size are returned as a single atomic operation.
|
||||
*/
|
||||
|
||||
flags = irqsave();
|
||||
*symtab = g_exec_symtab;
|
||||
*nsymbols = g_exec_nsymbols;
|
||||
irqrestore(flags);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: exec_setsymtab
|
||||
*
|
||||
* Description:
|
||||
* Select a new symbol table selection as an atomic operation.
|
||||
*
|
||||
* Input Parameters:
|
||||
* symtab - The new symbol table.
|
||||
* nsymbols - The number of symbols in the symbol table.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void exec_setsymtab(FAR const struct symtab_s *symtab, int nsymbols)
|
||||
{
|
||||
irqstate_t flags;
|
||||
|
||||
DEBUGASSERT(symtab);
|
||||
|
||||
/* Disable interrupts very briefly so that both the symbol table and its
|
||||
* size are set as a single atomic operation.
|
||||
*/
|
||||
|
||||
flags = irqsave();
|
||||
g_exec_symtab = symtab;
|
||||
g_exec_nsymbols = nsymbols;
|
||||
irqrestore(flags);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_LIBC_EXECFUNCS */
|
||||
|
|
@ -51,27 +51,6 @@
|
|||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
/* If CONFIG_LIBC_EXECFUNCS is defined in the configuration, then the
|
||||
* following must also be defined:
|
||||
*/
|
||||
|
||||
/* Symbol table used by exec[l|v] */
|
||||
|
||||
#ifndef CONFIG_EXECFUNCS_SYMTAB
|
||||
# error "CONFIG_EXECFUNCS_SYMTAB must be defined"
|
||||
#endif
|
||||
|
||||
/* Number of Symbols in the Table */
|
||||
|
||||
#ifndef CONFIG_EXECFUNCS_NSYMBOLS
|
||||
# error "CONFIG_EXECFUNCS_NSYMBOLS must be defined"
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Variables
|
||||
****************************************************************************/
|
||||
|
||||
extern struct symtab_s CONFIG_EXECFUNCS_SYMTAB;
|
||||
|
||||
/****************************************************************************
|
||||
* Private Variables
|
||||
|
|
@ -140,13 +119,17 @@ extern struct symtab_s CONFIG_EXECFUNCS_SYMTAB;
|
|||
|
||||
int execv(FAR const char *path, FAR char *const argv[])
|
||||
{
|
||||
FAR struct symtab_s *symtab;
|
||||
int nsymbols;
|
||||
int ret;
|
||||
|
||||
/* Get the current symbol table selection */
|
||||
|
||||
exec_getsymtab(&symtab, &nsymbols);
|
||||
|
||||
/* Start the task */
|
||||
|
||||
ret = exec(path, (FAR const char **)argv,
|
||||
&CONFIG_EXECFUNCS_SYMTAB, CONFIG_EXECFUNCS_NSYMBOLS);
|
||||
|
||||
ret = exec(path, (FAR const char **)argv, symtab, nsymbols);
|
||||
if (ret < 0)
|
||||
{
|
||||
sdbg("exec failed: %d\n", errno);
|
||||
|
|
|
|||
Loading…
Reference in New Issue