/* Default definitions: These must be defined in tm.h
if they are to be shared with a process module such as procfs. */
-#define THREAD_FLAG 0x80000000
-#define is_thread(ARG) (((ARG) & THREAD_FLAG) != 0)
-#define is_lwp(ARG) (((ARG) & THREAD_FLAG) == 0)
-#define GET_LWP(PID) TIDGET (PID)
-#define GET_THREAD(PID) (((PID) >> 16) & 0x7fff)
-#define BUILD_LWP(TID, PID) ((TID) << 16 | (PID))
+#define THREAD_FLAG 0x80000000
+#define is_thread(ARG) (((ARG) & THREAD_FLAG) != 0)
+#define is_lwp(ARG) (((ARG) & THREAD_FLAG) == 0)
+#define GET_LWP(PID) TIDGET (PID)
+#define GET_THREAD(PID) TIDGET (PID)
+#define BUILD_LWP(TID, PID) MERGEPID (PID, TID)
-#define BUILD_THREAD(THREAD_ID, PID) (THREAD_FLAG | BUILD_LWP (THREAD_ID, PID))
+#define BUILD_THREAD(TID, PID) (MERGEPID (PID, TID) | THREAD_FLAG)
/* Pointers to routines from lithread_db resolved by dlopen() */
-static void
- (*p_td_log) (const int on_off);
-static td_err_e
- (*p_td_ta_new) (const struct ps_prochandle * ph_p, td_thragent_t ** ta_pp);
-static td_err_e
- (*p_td_ta_delete) (td_thragent_t * ta_p);
-static td_err_e
- (*p_td_init) (void);
-static td_err_e
- (*p_td_ta_get_ph) (const td_thragent_t * ta_p, struct ps_prochandle ** ph_pp);
-static td_err_e
- (*p_td_ta_get_nthreads) (const td_thragent_t * ta_p, int *nthread_p);
-static td_err_e
- (*p_td_ta_tsd_iter) (const td_thragent_t * ta_p, td_key_iter_f * cb, void *cbdata_p);
-static td_err_e
- (*p_td_ta_thr_iter) (const td_thragent_t * ta_p, td_thr_iter_f * cb, void *cbdata_p, td_thr_state_e state,
- int ti_pri, sigset_t * ti_sigmask_p, unsigned ti_user_flags);
-static td_err_e
- (*p_td_thr_validate) (const td_thrhandle_t * th_p);
-static td_err_e
- (*p_td_thr_tsd) (const td_thrhandle_t * th_p, const thread_key_t key, void **data_pp);
-static td_err_e
- (*p_td_thr_get_info) (const td_thrhandle_t * th_p, td_thrinfo_t * ti_p);
-static td_err_e
- (*p_td_thr_getfpregs) (const td_thrhandle_t * th_p, prfpregset_t * fpregset);
-static td_err_e
- (*p_td_thr_getxregsize) (const td_thrhandle_t * th_p, int *xregsize);
-static td_err_e
- (*p_td_thr_getxregs) (const td_thrhandle_t * th_p, const caddr_t xregset);
-static td_err_e
- (*p_td_thr_sigsetmask) (const td_thrhandle_t * th_p, const sigset_t ti_sigmask);
-static td_err_e
- (*p_td_thr_setprio) (const td_thrhandle_t * th_p, const int ti_pri);
-static td_err_e
- (*p_td_thr_setsigpending) (const td_thrhandle_t * th_p, const uchar_t ti_pending_flag, const sigset_t ti_pending);
-static td_err_e
- (*p_td_thr_setfpregs) (const td_thrhandle_t * th_p, const prfpregset_t * fpregset);
-static td_err_e
- (*p_td_thr_setxregs) (const td_thrhandle_t * th_p, const caddr_t xregset);
-static td_err_e
- (*p_td_ta_map_id2thr) (const td_thragent_t * ta_p, thread_t tid, td_thrhandle_t * th_p);
-static td_err_e
- (*p_td_ta_map_lwp2thr) (const td_thragent_t * ta_p, lwpid_t lwpid, td_thrhandle_t * th_p);
-static td_err_e
- (*p_td_thr_getgregs) (const td_thrhandle_t * th_p, prgregset_t regset);
-static td_err_e
- (*p_td_thr_setgregs) (const td_thrhandle_t * th_p, const prgregset_t regset);
-\f
+static void (*p_td_log) (const int on_off);
+static td_err_e (*p_td_ta_new) (const struct ps_prochandle * ph_p,
+ td_thragent_t ** ta_pp);
+static td_err_e (*p_td_ta_delete) (td_thragent_t * ta_p);
+static td_err_e (*p_td_init) (void);
+static td_err_e (*p_td_ta_get_ph) (const td_thragent_t * ta_p,
+ struct ps_prochandle ** ph_pp);
+static td_err_e (*p_td_ta_get_nthreads) (const td_thragent_t * ta_p,
+ int *nthread_p);
+static td_err_e (*p_td_ta_tsd_iter) (const td_thragent_t * ta_p,
+ td_key_iter_f * cb,
+ void *cbdata_p);
+static td_err_e (*p_td_ta_thr_iter) (const td_thragent_t * ta_p,
+ td_thr_iter_f * cb,
+ void *cbdata_p,
+ td_thr_state_e state,
+ int ti_pri,
+ sigset_t * ti_sigmask_p,
+ unsigned ti_user_flags);
+static td_err_e (*p_td_thr_validate) (const td_thrhandle_t * th_p);
+static td_err_e (*p_td_thr_tsd) (const td_thrhandle_t * th_p,
+ const thread_key_t key,
+ void **data_pp);
+static td_err_e (*p_td_thr_get_info) (const td_thrhandle_t * th_p,
+ td_thrinfo_t * ti_p);
+static td_err_e (*p_td_thr_getfpregs) (const td_thrhandle_t * th_p,
+ prfpregset_t * fpregset);
+static td_err_e (*p_td_thr_getxregsize) (const td_thrhandle_t * th_p,
+ int *xregsize);
+static td_err_e (*p_td_thr_getxregs) (const td_thrhandle_t * th_p,
+ const caddr_t xregset);
+static td_err_e (*p_td_thr_sigsetmask) (const td_thrhandle_t * th_p,
+ const sigset_t ti_sigmask);
+static td_err_e (*p_td_thr_setprio) (const td_thrhandle_t * th_p,
+ const int ti_pri);
+static td_err_e (*p_td_thr_setsigpending) (const td_thrhandle_t * th_p,
+ const uchar_t ti_pending_flag,
+ const sigset_t ti_pending);
+static td_err_e (*p_td_thr_setfpregs) (const td_thrhandle_t * th_p,
+ const prfpregset_t * fpregset);
+static td_err_e (*p_td_thr_setxregs) (const td_thrhandle_t * th_p,
+ const caddr_t xregset);
+static td_err_e (*p_td_ta_map_id2thr) (const td_thragent_t * ta_p,
+ thread_t tid,
+ td_thrhandle_t * th_p);
+static td_err_e (*p_td_ta_map_lwp2thr) (const td_thragent_t * ta_p,
+ lwpid_t lwpid,
+ td_thrhandle_t * th_p);
+static td_err_e (*p_td_thr_getgregs) (const td_thrhandle_t * th_p,
+ prgregset_t regset);
+static td_err_e (*p_td_thr_setgregs) (const td_thrhandle_t * th_p,
+ const prgregset_t regset);
+
/*
LOCAL FUNCTION
val = p_td_thr_validate (&th);
if (val == TD_NOTHR)
- return lwp; /* libthread doesn't know about it, just return lwp */
+ return lwp; /* libthread doesn't know about it;
+ just return lwp */
else if (val != TD_OK)
error ("lwp_to_thread: td_thr_validate: %s.", td_err_string (val));
if (inferior_pid == -1)
inferior_pid = main_ph.pid;
- add_thread (inferior_pid);
+ if (!in_thread_list (inferior_pid))
+ add_thread (inferior_pid);
}
}
typedef char *gdb_ps_read_buf_t;
typedef char *gdb_ps_write_buf_t;
typedef int gdb_ps_size_t;
+typedef paddr_t gdb_ps_addr_t;
#else
typedef struct ps_prochandle *gdb_ps_prochandle_t;
typedef void *gdb_ps_read_buf_t;
typedef const void *gdb_ps_write_buf_t;
typedef size_t gdb_ps_size_t;
+typedef psaddr_t gdb_ps_addr_t;
#endif
ps_err_e
ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *ld_object_name,
- const char *ld_symbol_name, paddr_t * ld_symbol_addr)
+ const char *ld_symbol_name, gdb_ps_addr_t * ld_symbol_addr)
{
struct minimal_symbol *ms;
/* Common routine for reading and writing memory. */
static ps_err_e
-rw_common (int dowrite, const struct ps_prochandle *ph, paddr_t addr,
+rw_common (int dowrite, const struct ps_prochandle *ph, gdb_ps_addr_t addr,
char *buf, int size)
{
struct cleanup *old_chain;
/* Copies SIZE bytes from target process .data segment to debugger memory. */
ps_err_e
-ps_pdread (gdb_ps_prochandle_t ph, paddr_t addr,
+ps_pdread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_read_buf_t buf, gdb_ps_size_t size)
{
return rw_common (0, ph, addr, buf, size);
/* Copies SIZE bytes from debugger memory .data segment to target process. */
ps_err_e
-ps_pdwrite (gdb_ps_prochandle_t ph, paddr_t addr,
+ps_pdwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_write_buf_t buf, gdb_ps_size_t size)
{
return rw_common (1, ph, addr, (char *) buf, size);
/* Copies SIZE bytes from target process .text segment to debugger memory. */
ps_err_e
-ps_ptread (gdb_ps_prochandle_t ph, paddr_t addr,
+ps_ptread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_read_buf_t buf, gdb_ps_size_t size)
{
return rw_common (0, ph, addr, buf, size);
/* Copies SIZE bytes from debugger memory .text segment to target process. */
ps_err_e
-ps_ptwrite (gdb_ps_prochandle_t ph, paddr_t addr,
+ps_ptwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_write_buf_t buf, gdb_ps_size_t size)
{
return rw_common (1, ph, addr, (char *) buf, size);
#ifdef TM_I386SOL2_H
-/* Get local descriptor table. */
-
-#include <sys/procfs.h>
-#include <sys/reg.h>
-#include <sys/sysi86.h>
-
-static int nldt_allocated = 0;
-static struct ssd *ldt_bufp = NULL;
-
/* Reads the local descriptor table of a LWP. */
ps_err_e
ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid,
struct ssd *pldt)
{
- gregset_t gregset;
- int lwp_fd;
- ps_err_e val;
- int nldt;
- int i;
-
- /* Get procfs file descriptor for the LWP. */
- lwp_fd = procfs_get_pid_fd (BUILD_LWP (lwpid, PIDGET (inferior_pid)));
- if (lwp_fd < 0)
- return PS_BADLID;
+ /* NOTE: only used on Solaris, therefore OK to refer to procfs.c */
+ extern struct ssd *procfs_find_LDT_entry (int);
+ struct ssd *ret;
- /* Fetch registers und LDT descriptors. */
- if (ioctl (lwp_fd, PIOCGREG, &gregset) == -1)
- return PS_ERR;
+ /* FIXME: can't I get the process ID from the prochandle or something?
+ */
- if (ioctl (lwp_fd, PIOCNLDT, &nldt) == -1)
- return PS_ERR;
+ if (inferior_pid <= 0 || lwpid <= 0)
+ return PS_BADLID;
- if (nldt_allocated < nldt)
+ ret = procfs_find_LDT_entry (BUILD_LWP (lwpid, PIDGET (inferior_pid)));
+ if (ret)
{
- ldt_bufp
- = (struct ssd *) xrealloc (ldt_bufp, (nldt + 1) * sizeof (struct ssd));
- nldt_allocated = nldt;
+ memcpy (pldt, ret, sizeof (struct ssd));
+ return PS_OK;
}
-
- if (ioctl (lwp_fd, PIOCLDT, ldt_bufp) == -1)
+ else /* LDT not found. */
return PS_ERR;
-
- /* Search LDT for the LWP via register GS. */
- for (i = 0; i < nldt; i++)
- {
- if (ldt_bufp[i].sel == (gregset[GS] & 0xffff))
- {
- *pldt = ldt_bufp[i];
- return PS_OK;
- }
- }
-
- /* LDT not found. */
- return PS_ERR;
}
#endif /* TM_I386SOL2_H */
\f
sol_core_ops.to_has_registers = 1;
sol_core_ops.to_has_execution = 0;
sol_core_ops.to_has_thread_control = tc_none;
+ sol_core_ops.to_thread_alive = sol_thread_alive;
sol_core_ops.to_pid_to_str = solaris_pid_to_str;
+ /* On Solaris/x86, when debugging a threaded core file from process <n>,
+ the following causes "info threads" to produce "procfs: couldn't find pid
+ <n> in procinfo list" where <n> is the pid of the process that produced
+ the core file. Disable it for now. */
+ /* sol_core_ops.to_find_new_threads = sol_find_new_threads; */
sol_core_ops.to_sections = 0;
sol_core_ops.to_sections_end = 0;
sol_core_ops.to_magic = OPS_MAGIC;
projects / deliverable / binutils-gdb.git / blobdiff