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* sol-thread.c: Replace use of TM_I386SOL2_H by an expression

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that is true only on x86-solaris and x86_64-solaris.
        * procfs.c: Likewise. Move procfs_find_LDT_entry up together
        with proc_get_LDT_entry.
This commit is contained in:
Joel Brobecker 2008-03-12 20:00:21 +00:00
parent 83116857a3
commit 965b60eecb
3 changed files with 54 additions and 46 deletions
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9
gdb/ChangeLog
View file

@ -1,4 +1,11 @@
2008-03-12 Thiago Jung Bauermann <bauerman.ibm.com>
2008-02-12 Joel Brobecker <brobecker@gnat.com>
* sol-thread.c: Replace use of TM_I386SOL2_H by an expression
that is true only on x86-solaris and x86_64-solaris.
* procfs.c: Likewise. Move procfs_find_LDT_entry up together
with proc_get_LDT_entry.
2008-03-12 Thiago Jung Bauermann <bauerman@br.ibm.com>
* configure.ac (AC_CHECK_FUNCS): Add check for setsid.
* config.in, configure: Regenerate.

82
gdb/procfs.c
View file

@ -2919,7 +2919,7 @@ proc_set_watchpoint (procinfo *pi, CORE_ADDR addr, int len, int wflags)
#endif
}
#ifdef TM_I386SOL2_H /* Is it hokey to use this? */
#if (defined(__i386__) || defined(__x86_64__)) && defined (sun)
#include <sys/sysi86.h>
@ -3011,7 +3011,45 @@ proc_get_LDT_entry (procinfo *pi, int key)
#endif
}
#endif /* TM_I386SOL2_H */
/*
* Function: procfs_find_LDT_entry
*
* Input:
* ptid_t ptid; // The GDB-style pid-plus-LWP.
*
* Return:
* pointer to the corresponding LDT entry.
*/
struct ssd *
procfs_find_LDT_entry (ptid_t ptid)
{
gdb_gregset_t *gregs;
int key;
procinfo *pi;
/* Find procinfo for the lwp. */
if ((pi = find_procinfo (PIDGET (ptid), TIDGET (ptid))) == NULL)
{
warning (_("procfs_find_LDT_entry: could not find procinfo for %d:%d."),
PIDGET (ptid), TIDGET (ptid));
return NULL;
}
/* get its general registers. */
if ((gregs = proc_get_gregs (pi)) == NULL)
{
warning (_("procfs_find_LDT_entry: could not read gregs for %d:%d."),
PIDGET (ptid), TIDGET (ptid));
return NULL;
}
/* Now extract the GS register's lower 16 bits. */
key = (*gregs)[GS] & 0xffff;
/* Find the matching entry and return it. */
return proc_get_LDT_entry (pi, key);
}
#endif
/* =============== END, non-thread part of /proc "MODULE" =============== */
@ -5331,46 +5369,6 @@ procfs_stopped_by_watchpoint (ptid_t ptid)
return 0;
}
#ifdef TM_I386SOL2_H
/*
* Function: procfs_find_LDT_entry
*
* Input:
* ptid_t ptid; // The GDB-style pid-plus-LWP.
*
* Return:
* pointer to the corresponding LDT entry.
*/
struct ssd *
procfs_find_LDT_entry (ptid_t ptid)
{
gdb_gregset_t *gregs;
int key;
procinfo *pi;
/* Find procinfo for the lwp. */
if ((pi = find_procinfo (PIDGET (ptid), TIDGET (ptid))) == NULL)
{
warning (_("procfs_find_LDT_entry: could not find procinfo for %d:%d."),
PIDGET (ptid), TIDGET (ptid));
return NULL;
}
/* get its general registers. */
if ((gregs = proc_get_gregs (pi)) == NULL)
{
warning (_("procfs_find_LDT_entry: could not read gregs for %d:%d."),
PIDGET (ptid), TIDGET (ptid));
return NULL;
}
/* Now extract the GS register's lower 16 bits. */
key = (*gregs)[GS] & 0xffff;
/* Find the matching entry and return it. */
return proc_get_LDT_entry (pi, key);
}
#endif /* TM_I386SOL2_H */
/*
* Memory Mappings Functions:
*/

9
gdb/sol-thread.c
View file

@ -1283,9 +1283,12 @@ ps_pdmodel (gdb_ps_prochandle_t ph, int *data_model)
}
#endif /* PR_MODEL_LP64 */
#ifdef TM_I386SOL2_H
#if (defined(__i386__) || defined(__x86_64__)) && defined (sun)
/* Reads the local descriptor table of a LWP. */
/* Reads the local descriptor table of a LWP.
This function is necessary on x86-solaris only. Without it, the loading
of libthread_db would fail because of ps_lgetLDT being undefined. */
ps_err_e
ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid,
@ -1311,7 +1314,7 @@ ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid,
/* LDT not found. */
return PS_ERR;
}
#endif /* TM_I386SOL2_H */
#endif
/* Convert PTID to printable form. */