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* Add a couple of action definitions for FreeBSD extensions.

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* Handle the different ioctl design.
* Add support for the get and set error location.
* Add support for freopen().
This commit is contained in:
John Birrell 2008-04-26 04:47:16 +00:00
parent cd14ec8113
commit f5a736457d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=178563
1 changed files with 32 additions and 0 deletions
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32
cddl/contrib/opensolaris/lib/libdtrace/common/dt_impl.h
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@ -18,6 +18,7 @@
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
@ -30,6 +31,13 @@
#include <sys/param.h>
#include <sys/objfs.h>
#if !defined(sun)
#include <sys/bitmap.h>
#include <sys/utsname.h>
#include <sys/ioccom.h>
#include <sys/time.h>
#include <string.h>
#endif
#include <setjmp.h>
#include <libctf.h>
#include <dtrace.h>
@ -127,6 +135,9 @@ typedef struct dt_module {
GElf_Addr dm_bss_va; /* virtual address of BSS */
GElf_Xword dm_bss_size; /* size in bytes of BSS */
dt_idhash_t *dm_extern; /* external symbol definitions */
#if !defined(sun)
caddr_t dm_reloc_offset; /* Symbol relocation offset. */
#endif
} dt_module_t;
#define DT_DM_LOADED 0x1 /* module symbol and type data is loaded */
@ -183,6 +194,7 @@ typedef struct dt_lib_depend {
char *dtld_libpath; /* library pathname */
uint_t dtld_finish; /* completion time in tsort for lib */
uint_t dtld_start; /* starting time in tsort for lib */
uint_t dtld_loaded; /* boolean: is this library loaded */
dt_list_t dtld_dependencies; /* linked-list of lib dependencies */
dt_list_t dtld_dependents; /* linked-list of lib dependents */
} dt_lib_depend_t;
@ -265,12 +277,20 @@ struct dtrace_hdl {
int dt_version; /* library version requested by client */
int dt_ctferr; /* error resulting from last CTF failure */
int dt_errno; /* error resulting from last failed operation */
#if !defined(sun)
const char *dt_errfile;
int dt_errline;
#endif
int dt_fd; /* file descriptor for dtrace pseudo-device */
int dt_ftfd; /* file descriptor for fasttrap pseudo-device */
int dt_fterr; /* saved errno from failed open of dt_ftfd */
int dt_cdefs_fd; /* file descriptor for C CTF debugging cache */
int dt_ddefs_fd; /* file descriptor for D CTF debugging cache */
#if defined(sun)
int dt_stdout_fd; /* file descriptor for saved stdout */
#else
FILE *dt_freopen_fp; /* file pointer for freopened stdout */
#endif
dtrace_handle_err_f *dt_errhdlr; /* error handler, if any */
void *dt_errarg; /* error handler argument */
dtrace_prog_t *dt_errprog; /* error handler program, if any */
@ -412,6 +432,8 @@ struct dtrace_hdl {
#define DT_ACT_UMOD DT_ACT(26) /* umod() action */
#define DT_ACT_UADDR DT_ACT(27) /* uaddr() action */
#define DT_ACT_SETOPT DT_ACT(28) /* setopt() action */
#define DT_ACT_PRINTM DT_ACT(29) /* printm() action */
#define DT_ACT_PRINTT DT_ACT(30) /* printt() action */
/*
* Sentinel to tell freopen() to restore the saved stdout. This must not
@ -539,11 +561,21 @@ extern int dt_version_defined(dt_version_t);
extern char *dt_cpp_add_arg(dtrace_hdl_t *, const char *);
extern char *dt_cpp_pop_arg(dtrace_hdl_t *);
#if defined(sun)
extern int dt_set_errno(dtrace_hdl_t *, int);
#else
int _dt_set_errno(dtrace_hdl_t *, int, const char *, int);
void dt_get_errloc(dtrace_hdl_t *, const char **, int *);
#define dt_set_errno(_a,_b) _dt_set_errno(_a,_b,__FILE__,__LINE__)
#endif
extern void dt_set_errmsg(dtrace_hdl_t *, const char *, const char *,
const char *, int, const char *, va_list);
#if defined(sun)
extern int dt_ioctl(dtrace_hdl_t *, int, void *);
#else
extern int dt_ioctl(dtrace_hdl_t *, u_long, void *);
#endif
extern int dt_status(dtrace_hdl_t *, processorid_t);
extern long dt_sysconf(dtrace_hdl_t *, int);
extern ssize_t dt_write(dtrace_hdl_t *, int, const void *, size_t);