03-23-2007
get stack trace from C program on Solaris 8
I'm on solaris 8. I need to check the stack trace inside my C program. I don't have printstack or walkstack. I tested getcontext and it works. But how do I get the symbols from "stack_t" ? Help please. Many thanks!
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LEARN ABOUT OPENSOLARIS
thr_stksegment
thr_stksegment(3C) Standard C Library Functions thr_stksegment(3C)
NAME
thr_stksegment - get thread stack address and size
SYNOPSIS
cc -mt [ flag... ] file...[ library... ]
#include <thread.h>
#include <signal.h>
int thr_stksegment(stack_t *ss);
DESCRIPTION
The thr_stksegment() function returns, in its stack_t argument, the address and size of the calling thread's stack.
The stack_t structure includes the following members:
void *ss_sp
size_t ss_size
int ss_flags
On successful return from thr_stksegment(), ss_sp contains the high address of the caller's stack and ss_size contains the size of the
stack in bytes. The ss_flags member is always 0. Note that the meaning of ss_sp is reversed from other uses of stack_t such as sigalt-
stack(2) where ss_sp is the low address.
The stack information provided by thr_stksegment() is typically used by debuggers, garbage collectors, and similar applications. Most
applications should not require such information.
RETURN VALUES
The thr_stksegment() function returns 0 if the thread stack address and size were successfully retrieved. Otherwise, it returns a non-
zero error value.
ERRORS
The thr_stksegment() function will fail if:
EAGAIN The stack information for the thread is not available because the thread's initialization is not yet complete, or the thread is
an internal thread.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
sigaltstack(2), thr_create(3C), attributes(5)
SunOS 5.11 15 Jun 2000 thr_stksegment(3C)