/* <proc_service.h> implementation.
- Copyright 1999, 2000 Free Software Foundation, Inc.
+
+ Copyright (C) 1999-2016 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "gdb_proc_service.h"
-#include <sys/procfs.h>
-
+#include "gdbcore.h"
#include "inferior.h"
#include "symtab.h"
#include "target.h"
+#include "regcache.h"
+#include "objfiles.h"
+
+#include "gdb_proc_service.h"
+
+#include <sys/procfs.h>
/* Prototypes for supply_gregset etc. */
#include "gregset.h"
#endif
\f
-/* Building process ids. */
+/* Helper functions. */
-#define BUILD_LWP(tid, pid) MERGEPID (pid, tid)
-\f
+/* Convert a psaddr_t to a CORE_ADDR. */
-/* Helper functions. */
+static CORE_ADDR
+ps_addr_to_core_addr (psaddr_t addr)
+{
+ if (exec_bfd && bfd_get_sign_extend_vma (exec_bfd))
+ return (intptr_t) addr;
+ else
+ return (uintptr_t) addr;
+}
+
+/* Convert a CORE_ADDR to a psaddr_t. */
+
+static psaddr_t
+core_addr_to_ps_addr (CORE_ADDR addr)
+{
+ if (exec_bfd && bfd_get_sign_extend_vma (exec_bfd))
+ return (psaddr_t) (intptr_t) addr;
+ else
+ return (psaddr_t) (uintptr_t) addr;
+}
/* Transfer LEN bytes of memory between BUF and address ADDR in the
process specified by PH. If WRITE, transfer them to the process,
else transfer them from the process. Returns PS_OK for success,
PS_ERR on failure.
- This is a helper function for ps_pdread, ps_pdwrite, ps_ptread and
- ps_ptwrite. */
+ This is a helper function for ps_pdread and ps_pdwrite. */
static ps_err_e
-ps_xfer_memory (const struct ps_prochandle *ph, paddr_t addr,
- char *buf, size_t len, int write)
+ps_xfer_memory (const struct ps_prochandle *ph, psaddr_t addr,
+ gdb_byte *buf, size_t len, int write)
{
struct cleanup *old_chain = save_inferior_ptid ();
int ret;
+ CORE_ADDR core_addr = ps_addr_to_core_addr (addr);
- inferior_ptid = pid_to_ptid (ph->pid);
+ inferior_ptid = ph->ptid;
if (write)
- ret = target_write_memory (addr, buf, len);
+ ret = target_write_memory (core_addr, buf, len);
else
- ret = target_read_memory (addr, buf, len);
+ ret = target_read_memory (core_addr, buf, len);
do_cleanups (old_chain);
}
\f
-/* Stop the target process PH. */
-
-ps_err_e
-ps_pstop (gdb_ps_prochandle_t ph)
-{
- /* The process is always stopped when under control of GDB. */
- return PS_OK;
-}
-
-/* Resume the target process PH. */
-
-ps_err_e
-ps_pcontinue (gdb_ps_prochandle_t ph)
-{
- /* Pretend we did successfully continue the process. GDB will take
- care of it later on. */
- return PS_OK;
-}
-
-/* Stop the lightweight process LWPID within the target process PH. */
-
-ps_err_e
-ps_lstop (gdb_ps_prochandle_t ph, lwpid_t lwpid)
-{
- /* All lightweight processes are stopped when under control of GDB. */
- return PS_OK;
-}
-
-/* Resume the lightweight process (LWP) LWPID within the target
- process PH. */
-
-ps_err_e
-ps_lcontinue (gdb_ps_prochandle_t ph, lwpid_t lwpid)
-{
- /* Pretend we did successfully continue LWPID. GDB will take care
- of it later on. */
- return PS_OK;
-}
-
-/* Get the size of the architecture-dependent extra state registers
- for LWP LWPID within the target process PH and return it in
- *XREGSIZE. */
-
-ps_err_e
-ps_lgetxregsize (gdb_ps_prochandle_t ph, lwpid_t lwpid, int *xregsize)
-{
- /* FIXME: Not supported yet. */
- return PS_OK;
-}
-
-/* Get the extra state registers of LWP LWPID within the target
- process PH and store them in XREGSET. */
-
-ps_err_e
-ps_lgetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
-{
- /* FIXME: Not supported yet. */
- return PS_OK;
-}
-
-/* Set the extra state registers of LWP LWPID within the target
- process PH from XREGSET. */
-
-ps_err_e
-ps_lsetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
-{
- /* FIXME: Not supported yet. */
- return PS_OK;
-}
-
-/* Log (additional) diognostic information. */
-
-void
-ps_plog (const char *fmt, ...)
-{
- va_list args;
-
- va_start (args, fmt);
- vfprintf_filtered (gdb_stderr, fmt, args);
-}
-
/* Search for the symbol named NAME within the object named OBJ within
the target process PH. If the symbol is found the address of the
symbol is stored in SYM_ADDR. */
ps_err_e
ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *obj,
- const char *name, paddr_t *sym_addr)
+ const char *name, psaddr_t *sym_addr)
{
- struct minimal_symbol *ms;
+ struct bound_minimal_symbol ms;
+ struct cleanup *old_chain = save_current_program_space ();
+ struct inferior *inf = find_inferior_ptid (ph->ptid);
+ ps_err_e result;
+
+ set_current_program_space (inf->pspace);
/* FIXME: kettenis/2000-09-03: What should we do with OBJ? */
ms = lookup_minimal_symbol (name, NULL, NULL);
- if (ms == NULL)
- return PS_NOSYM;
-
- *sym_addr = SYMBOL_VALUE_ADDRESS (ms);
- return PS_OK;
-}
-
-/* Read SIZE bytes from the target process PH at address ADDR and copy
- them into BUF. */
-
-ps_err_e
-ps_pdread (gdb_ps_prochandle_t ph, paddr_t addr,
- gdb_ps_read_buf_t buf, gdb_ps_size_t size)
-{
- return ps_xfer_memory (ph, addr, buf, size, 0);
-}
-
-/* Write SIZE bytes from BUF into the target process PH at address ADDR. */
+ if (ms.minsym == NULL)
+ result = PS_NOSYM;
+ else
+ {
+ *sym_addr = core_addr_to_ps_addr (BMSYMBOL_VALUE_ADDRESS (ms));
+ result = PS_OK;
+ }
-ps_err_e
-ps_pdwrite (gdb_ps_prochandle_t ph, paddr_t addr,
- gdb_ps_write_buf_t buf, gdb_ps_size_t size)
-{
- return ps_xfer_memory (ph, addr, (char *) buf, size, 1);
+ do_cleanups (old_chain);
+ return result;
}
/* Read SIZE bytes from the target process PH at address ADDR and copy
them into BUF. */
ps_err_e
-ps_ptread (gdb_ps_prochandle_t ph, paddr_t addr,
+ps_pdread (gdb_ps_prochandle_t ph, psaddr_t addr,
gdb_ps_read_buf_t buf, gdb_ps_size_t size)
{
- return ps_xfer_memory (ph, addr, buf, size, 0);
+ return ps_xfer_memory (ph, addr, (gdb_byte *) buf, size, 0);
}
/* Write SIZE bytes from BUF into the target process PH at address ADDR. */
ps_err_e
-ps_ptwrite (gdb_ps_prochandle_t ph, paddr_t addr,
+ps_pdwrite (gdb_ps_prochandle_t ph, psaddr_t addr,
gdb_ps_write_buf_t buf, gdb_ps_size_t size)
{
- return ps_xfer_memory (ph, addr, (char *) buf, size, 1);
+ return ps_xfer_memory (ph, addr, (gdb_byte *) buf, size, 1);
}
/* Get the general registers of LWP LWPID within the target process PH
ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, prgregset_t gregset)
{
struct cleanup *old_chain = save_inferior_ptid ();
+ struct regcache *regcache;
- inferior_ptid = BUILD_LWP (lwpid, ph->pid);
+ inferior_ptid = ptid_build (ptid_get_pid (ph->ptid), lwpid, 0);
+ regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
- target_fetch_registers (-1);
- fill_gregset ((gdb_gregset_t *) gregset, -1);
+ target_fetch_registers (regcache, -1);
+ fill_gregset (regcache, (gdb_gregset_t *) gregset, -1);
do_cleanups (old_chain);
return PS_OK;
ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, const prgregset_t gregset)
{
struct cleanup *old_chain = save_inferior_ptid ();
+ struct regcache *regcache;
- inferior_ptid = BUILD_LWP (lwpid, ph->pid);
+ inferior_ptid = ptid_build (ptid_get_pid (ph->ptid), lwpid, 0);
+ regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
- /* FIXME: We should really make supply_gregset const-correct. */
- supply_gregset ((gdb_gregset_t *) gregset);
- target_store_registers (-1);
+ supply_gregset (regcache, (const gdb_gregset_t *) gregset);
+ target_store_registers (regcache, -1);
do_cleanups (old_chain);
return PS_OK;
gdb_prfpregset_t *fpregset)
{
struct cleanup *old_chain = save_inferior_ptid ();
+ struct regcache *regcache;
- inferior_ptid = BUILD_LWP (lwpid, ph->pid);
+ inferior_ptid = ptid_build (ptid_get_pid (ph->ptid), lwpid, 0);
+ regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
- target_fetch_registers (-1);
- fill_fpregset ((gdb_fpregset_t *) fpregset, -1);
+ target_fetch_registers (regcache, -1);
+ fill_fpregset (regcache, (gdb_fpregset_t *) fpregset, -1);
do_cleanups (old_chain);
return PS_OK;
const gdb_prfpregset_t *fpregset)
{
struct cleanup *old_chain = save_inferior_ptid ();
+ struct regcache *regcache;
- inferior_ptid = BUILD_LWP (lwpid, ph->pid);
+ inferior_ptid = ptid_build (ptid_get_pid (ph->ptid), lwpid, 0);
+ regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
- /* FIXME: We should really make supply_fpregset const-correct. */
- supply_fpregset ((gdb_fpregset_t *) fpregset);
- target_store_registers (-1);
+ supply_fpregset (regcache, (const gdb_fpregset_t *) fpregset);
+ target_store_registers (regcache, -1);
do_cleanups (old_chain);
return PS_OK;
}
-/* Return overall process id of the target PH.
- Special for Linux -- not used on Solaris. */
+/* Return overall process id of the target PH. Special for GNU/Linux
+ -- not used on Solaris. */
pid_t
ps_getpid (gdb_ps_prochandle_t ph)
{
- return ph->pid;
+ return ptid_get_pid (ph->ptid);
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_proc_service;
+
void
_initialize_proc_service (void)
{
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