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2000-05-05 Michael Snyder <msnyder@seadog.cygnus.com>

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* procfs.c: Cleanup of procfs tracing.  Move defines and
        prototypes to proc-utils.h
        * proc-utils.h: Define tracing macros.  Declare trace functions.
        * proc-api.c: Make procfs tracing a runtime option.
        (prepare_to_trace): New function, abstracted out of several
        places.  Open a trace file if one is required.
        (ioctl_with_trace, write_with_trace, open_with_trace,
        close_with_trace, wait_with_trace, lseek_with_trace):
        Report errno if an error occurs in a system call.
        (write_with_trace): Make 2nd arg void *, to agree with write.
This commit is contained in:
Michael Snyder
2000-05-05 20:56:10 +00:00
parent b8d39351ea
commit 103b3ef54f
4 changed files with 145 additions and 113 deletions
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45
gdb/procfs.c
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@ -38,8 +38,6 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <signal.h>
#include <ctype.h>
#include "proc-utils.h"
/*
* PROCFS.C
*
@ -85,6 +83,13 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <unistd.h> /* for "X_OK" */
#include "gdb_stat.h" /* for struct stat */
/* Note: procfs-utils.h must be included after the above system header
files, because it redefines various system calls using macros.
This may be incompatible with the prototype declarations. */
#define PROCFS_TRACE
#include "proc-utils.h"
/* =================== TARGET_OPS "MODULE" =================== */
/*
@ -154,8 +159,8 @@ init_procfs_ops ()
procfs_ops.to_thread_alive = procfs_thread_alive;
procfs_ops.to_pid_to_str = procfs_pid_to_str;
procfs_ops.to_has_all_memory = 1;
procfs_ops.to_has_memory = 1;
procfs_ops.to_has_all_memory = 1;
procfs_ops.to_has_memory = 1;
procfs_ops.to_has_execution = 1;
procfs_ops.to_has_stack = 1;
procfs_ops.to_has_registers = 1;
@ -166,36 +171,6 @@ init_procfs_ops ()
/* =================== END, TARGET_OPS "MODULE" =================== */
/*
* Temporary debugging code:
*
* These macros allow me to trace the system calls that we make
* to control the child process. This is quite handy for comparing
* with the older version of procfs.
*/
#ifdef TRACE_PROCFS
#ifdef NEW_PROC_API
extern int write_with_trace PARAMS ((int, void *, size_t, char *, int));
extern off_t lseek_with_trace PARAMS ((int, off_t, int, char *, int));
#define write(X,Y,Z) write_with_trace (X, Y, Z, __FILE__, __LINE__)
#define lseek(X,Y,Z) lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
#else
extern int ioctl_with_trace PARAMS ((int, long, void *, char *, int));
#define ioctl(X,Y,Z) ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
#endif
#define open(X,Y) open_with_trace (X, Y, __FILE__, __LINE__)
#define close(X) close_with_trace (X, __FILE__, __LINE__)
#define wait(X) wait_with_trace (X, __FILE__, __LINE__)
#define PROCFS_NOTE(X) procfs_note (X, __FILE__, __LINE__)
#define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
proc_prettyfprint_status (X, Y, Z, T)
#else
#define PROCFS_NOTE(X)
#define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T)
#endif
/*
* World Unification:
*
@ -4460,7 +4435,7 @@ unconditionally_kill_inferior (pi)
}
#else /* PROCFS_NEED_PIOCSSIG_FOR_KILL */
if (!proc_kill (pi, SIGKILL))
proc_warn (pi, "unconditionally_kill, proc_kill", __LINE__);
proc_error (pi, "unconditionally_kill, proc_kill", __LINE__);
#endif /* PROCFS_NEED_PIOCSSIG_FOR_KILL */
destroy_procinfo (pi);