diff options
Diffstat (limited to 'nuttx/arch/z16/src/common/up_stackdump.c')
-rw-r--r-- | nuttx/arch/z16/src/common/up_stackdump.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/nuttx/arch/z16/src/common/up_stackdump.c b/nuttx/arch/z16/src/common/up_stackdump.c new file mode 100644 index 000000000..482f7bf1b --- /dev/null +++ b/nuttx/arch/z16/src/common/up_stackdump.c @@ -0,0 +1,109 @@ +/**************************************************************************** + * common/up_stackdump.c + * + * Copyright (C) 2008 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 "up_arch.h" +#include "os_internal.h" +#include "up_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* Output debug info if stack dump is selected -- even if + * debug is not selected. + */ + +#ifdef CONFIG_ARCH_STACKDUMP +# undef lldbg +# define lldbg lib_lowprintf +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_getsp + ****************************************************************************/ +#warning TO BE PROVIDED + +/**************************************************************************** + * Name: up_stackdump + ****************************************************************************/ + +#ifdef CONFIG_ARCH_STACKDUMP +static void up_stackdump(void) +{ + _TCB *rtcb = (_TCB*)g_readytorun.head; + chipreg_t sp = up_getsp(); + chipreg_t stack_base = (chipreg_t)rtcb->adj_stack_ptr; + chipreg_t stack_size = (chipreg_t)rtcb->adj_stack_size; + + lldbg("stack_base: %08x\n", stack_base); + lldbg("stack_size: %08x\n", stack_size); + lldbg("sp: %08x\n", sp); + + if (sp >= stack_base || sp < stack_base - stack_size) + { + lldbg("ERROR: Stack pointer is not within allocated stack\n"); + return; + } + else + { + chipreg_t stack = sp & ~0x0f; + + for (stack = sp & ~0x0f; stack < stack_base; stack += 8*sizeof(chipreg_t)) + { + chipreg_t *ptr = (chipreg_t*)stack; + lldbg("%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", + stack, ptr[0], ptr[1], ptr[2], ptr[3], + ptr[4], ptr[5], ptr[6], ptr[7]); + } + } +} +#endif |