Changes to support core files and linux threads.
2000-04-20 Scott Bambrough <scottb@netwinder.org> * arm-linux-nat.c (PIDGET, TIDGET): New. (get_thread_id, GET_THREAD_ID): New. (fetch_nwfpe_register, store_nwfpe_register): New. (fetch_register, store_register): New. (fetch_fpregister, store_fpregister): New. (fill_gregset, supply_gregset): New. (fill_fpregset, supply_fpregset): New. (fetch_fpregs): Modified to use thread id's. (store_fpregs): Modified to use thread id's and fetch_nwfpe_register. (fetch_regs): Modified to use thread id's. (store_regs): Modified to use thread id's. (fetch_inferior_registers): Modified to handle single register fetches. (store_inferior_registers): Modified to handle single register stores. (arm_linux_register_u_addr): Removed. * configure.tgt: Added gdbserver to configdirs for arm*-*-linux*. * config/arm/linux.mh (NATDEPFILES): Removed core-aout.o. Added core-regset.o. (LOADLIBES): Define. * config/arm/nm-linux.h: Include config/nm-linux.h. (ATTACH_DETACH): Removed. Defined in config/nm-linux.h. (REGISTER_U_ADDR): Removed. (SVR4_SHARED_LIBS): Removed. Defined in config/nm-linux.h. (#include "solib.h"): Removed. Included via config/nm-linux.h.
This commit is contained in:
Scott Bambrough
parent
ef346e0411
commit
41c49b06c4
5 changed files with 421 additions and 59 deletions
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@ -1,3 +1,35 @@
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2000-04-20 Scott Bambrough <scottb@netwinder.org>
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* arm-linux-nat.c (PIDGET, TIDGET): New.
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(get_thread_id, GET_THREAD_ID): New.
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(fetch_nwfpe_register, store_nwfpe_register): New.
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(fetch_register, store_register): New.
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(fetch_fpregister, store_fpregister): New.
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(fill_gregset, supply_gregset): New.
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(fill_fpregset, supply_fpregset): New.
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(fetch_fpregs): Modified to use thread id's.
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(store_fpregs): Modified to use thread id's and
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fetch_nwfpe_register.
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(fetch_regs): Modified to use thread id's.
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(store_regs): Modified to use thread id's.
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(fetch_inferior_registers): Modified to handle single register
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fetches.
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(store_inferior_registers): Modified to handle single register
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stores.
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(arm_linux_register_u_addr): Removed.
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* configure.tgt: Added gdbserver to configdirs for arm*-*-linux*.
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* config/arm/linux.mh
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(NATDEPFILES): Removed core-aout.o. Added core-regset.o.
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(LOADLIBES): Define.
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* config/arm/nm-linux.h: Include config/nm-linux.h.
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(ATTACH_DETACH): Removed. Defined in config/nm-linux.h.
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(REGISTER_U_ADDR): Removed.
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(SVR4_SHARED_LIBS): Removed. Defined in config/nm-linux.h.
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(#include "solib.h"): Removed. Included via config/nm-linux.h.
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Thu Apr 20 18:54:15 2000 Andrew Cagney <cagney@b1.cygnus.com>
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From Daniel Berlin <dan@cgsoftware.com> and Tim Mooney
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@ -26,6 +26,7 @@
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#include <sys/user.h>
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#include <sys/ptrace.h>
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#include <sys/utsname.h>
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#include <sys/procfs.h>
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extern int arm_apcs_32;
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@ -71,6 +72,27 @@ FPA11;
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static unsigned int os_version, os_major, os_minor, os_release;
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/* On Linux, threads are implemented as pseudo-processes, in which
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case we may be tracing more than one process at a time. In that
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case, inferior_pid will contain the main process ID and the
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individual thread (process) ID mashed together. These macros are
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used to separate them out. These definitions should be overridden
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if thread support is included. */
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#if !defined (PIDGET) /* Default definition for PIDGET/TIDGET. */
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#define PIDGET(PID) PID
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#define TIDGET(PID) 0
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#endif
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int
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get_thread_id (int inferior_pid)
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{
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int tid = TIDGET (inferior_pid);
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if (0 == tid) tid = inferior_pid;
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return tid;
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}
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#define GET_THREAD_ID(PID) get_thread_id ((PID));
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static void
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fetch_nwfpe_single (unsigned int fn, FPA11 * fpa11)
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{
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@ -113,6 +135,30 @@ fetch_nwfpe_extended (unsigned int fn, FPA11 * fpa11)
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supply_register (F0_REGNUM + fn, (char *) &mem[0]);
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}
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static void
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fetch_nwfpe_register (int regno, FPA11 * fpa11)
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{
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int fn = regno - F0_REGNUM;
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switch (fpa11->fType[fn])
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{
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case typeSingle:
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fetch_nwfpe_single (fn, fpa11);
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break;
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case typeDouble:
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fetch_nwfpe_double (fn, fpa11);
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break;
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case typeExtended:
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fetch_nwfpe_extended (fn, fpa11);
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break;
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default:
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fetch_nwfpe_none (fn);
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}
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}
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static void
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store_nwfpe_single (unsigned int fn, FPA11 * fpa11)
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{
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@ -146,20 +192,96 @@ store_nwfpe_extended (unsigned int fn, FPA11 * fpa11)
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fpa11->fType[fn] = typeDouble;
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}
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/* Get the whole floating point state of the process and store the
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floating point stack into registers[]. */
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void
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store_nwfpe_register (int regno, FPA11 * fpa11)
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{
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if (register_valid[regno])
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{
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unsigned int fn = regno - F0_REGNUM;
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switch (fpa11->fType[fn])
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{
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case typeSingle:
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store_nwfpe_single (fn, fpa11);
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break;
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case typeDouble:
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store_nwfpe_double (fn, fpa11);
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break;
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case typeExtended:
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store_nwfpe_extended (fn, fpa11);
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break;
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}
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}
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}
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/* Get the value of a particular register from the floating point
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state of the process and store it into registers[]. */
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static void
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fetch_fpregister (int regno)
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{
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int ret, tid;
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FPA11 fp;
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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/* Read the floating point state. */
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ret = ptrace (PT_GETFPREGS, tid, 0, &fp);
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if (ret < 0)
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{
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warning ("Unable to fetch floating point register.");
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return;
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}
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/* Fetch fpsr. */
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if (FPS_REGNUM == regno)
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supply_register (FPS_REGNUM, (char *) &fp.fpsr);
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/* Fetch the floating point register. */
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if (regno >= F0_REGNUM && regno <= F7_REGNUM)
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{
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int fn = regno - F0_REGNUM;
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switch (fp.fType[fn])
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{
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case typeSingle:
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fetch_nwfpe_single (fn, &fp);
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break;
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case typeDouble:
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fetch_nwfpe_double (fn, &fp);
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break;
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case typeExtended:
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fetch_nwfpe_extended (fn, &fp);
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break;
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default:
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fetch_nwfpe_none (fn);
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}
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}
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}
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/* Get the whole floating point state of the process and store it
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into registers[]. */
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static void
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fetch_fpregs (void)
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{
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int ret, regno;
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int ret, regno, tid;
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FPA11 fp;
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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/* Read the floating point state. */
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ret = ptrace (PT_GETFPREGS, inferior_pid, 0, &fp);
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ret = ptrace (PT_GETFPREGS, tid, 0, &fp);
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if (ret < 0)
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{
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warning ("Unable to fetch the floating point state.");
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warning ("Unable to fetch the floating point registers.");
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return;
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}
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@ -191,15 +313,64 @@ fetch_fpregs (void)
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}
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}
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/* Save a particular register into the floating point state of the
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process using the contents from registers[]. */
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static void
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store_fpregister (int regno)
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{
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int ret, tid;
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FPA11 fp;
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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/* Read the floating point state. */
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ret = ptrace (PT_GETFPREGS, tid, 0, &fp);
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if (ret < 0)
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{
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warning ("Unable to fetch the floating point registers.");
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return;
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}
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/* Store fpsr. */
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if (FPS_REGNUM == regno && register_valid[FPS_REGNUM])
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read_register_gen (FPS_REGNUM, (char *) &fp.fpsr);
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/* Store the floating point register. */
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if (regno >= F0_REGNUM && regno <= F7_REGNUM)
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{
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store_nwfpe_register (regno, &fp);
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}
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ret = ptrace (PTRACE_SETFPREGS, tid, 0, &fp);
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if (ret < 0)
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{
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warning ("Unable to store floating point register.");
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return;
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}
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}
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/* Save the whole floating point state of the process using
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the contents from registers[]. */
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static void
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store_fpregs (void)
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{
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int ret, regno;
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int ret, regno, tid;
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FPA11 fp;
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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/* Read the floating point state. */
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ret = ptrace (PT_GETFPREGS, tid, 0, &fp);
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if (ret < 0)
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{
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warning ("Unable to fetch the floating point registers.");
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return;
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}
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/* Store fpsr. */
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if (register_valid[FPS_REGNUM])
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read_register_gen (FPS_REGNUM, (char *) &fp.fpsr);
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@ -207,44 +378,67 @@ store_fpregs (void)
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/* Store the floating point registers. */
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for (regno = F0_REGNUM; regno <= F7_REGNUM; regno++)
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{
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if (register_valid[regno])
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{
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unsigned int fn = regno - F0_REGNUM;
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switch (fp.fType[fn])
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{
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case typeSingle:
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store_nwfpe_single (fn, &fp);
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break;
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case typeDouble:
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store_nwfpe_double (fn, &fp);
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break;
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case typeExtended:
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store_nwfpe_extended (fn, &fp);
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break;
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}
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}
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fetch_nwfpe_register (regno, &fp);
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}
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ret = ptrace (PTRACE_SETFPREGS, inferior_pid, 0, &fp);
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ret = ptrace (PTRACE_SETFPREGS, tid, 0, &fp);
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if (ret < 0)
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{
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warning ("Unable to store floating point state.");
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warning ("Unable to store floating point registers.");
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return;
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}
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}
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/* Fetch a general register of the process and store into
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registers[]. */
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static void
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fetch_register (int regno)
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{
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int ret, tid;
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struct pt_regs regs;
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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ret = ptrace (PTRACE_GETREGS, tid, 0, ®s);
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if (ret < 0)
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{
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warning ("Unable to fetch general register.");
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return;
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}
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if (regno >= A1_REGNUM && regno < PC_REGNUM)
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supply_register (regno, (char *) ®s.uregs[regno]);
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if (PS_REGNUM == regno)
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{
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if (arm_apcs_32)
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supply_register (PS_REGNUM, (char *) ®s.uregs[CPSR_REGNUM]);
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else
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supply_register (PS_REGNUM, (char *) ®s.uregs[PC_REGNUM]);
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}
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if (PC_REGNUM == regno)
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{
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regs.uregs[PC_REGNUM] = ADDR_BITS_REMOVE (regs.uregs[PC_REGNUM]);
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supply_register (PC_REGNUM, (char *) ®s.uregs[PC_REGNUM]);
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}
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}
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/* Fetch all general registers of the process and store into
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registers[]. */
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static void
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fetch_regs (void)
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{
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int ret, regno;
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int ret, regno, tid;
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struct pt_regs regs;
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ret = ptrace (PTRACE_GETREGS, inferior_pid, 0, ®s);
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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ret = ptrace (PTRACE_GETREGS, tid, 0, ®s);
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if (ret < 0)
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{
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warning ("Unable to fetch general registers.");
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@ -266,13 +460,48 @@ fetch_regs (void)
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/* Store all general registers of the process from the values in
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registers[]. */
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static void
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store_register (int regno)
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{
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int ret, tid;
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struct pt_regs regs;
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if (!register_valid[regno])
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return;
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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/* Get the general registers from the process. */
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ret = ptrace (PTRACE_GETREGS, tid, 0, ®s);
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if (ret < 0)
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{
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warning ("Unable to fetch general registers.");
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return;
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}
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if (regno >= A1_REGNUM && regno <= PC_REGNUM)
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read_register_gen (regno, (char *) ®s.uregs[regno]);
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ret = ptrace (PTRACE_SETREGS, tid, 0, ®s);
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if (ret < 0)
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{
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warning ("Unable to store general register.");
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return;
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}
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}
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static void
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store_regs (void)
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{
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int ret, regno;
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int ret, regno, tid;
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struct pt_regs regs;
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ret = ptrace (PTRACE_GETREGS, inferior_pid, 0, ®s);
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/* Get the thread id for the ptrace call. */
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tid = GET_THREAD_ID (inferior_pid);
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/* Fetch the general registers. */
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ret = ptrace (PTRACE_GETREGS, tid, 0, ®s);
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if (ret < 0)
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{
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warning ("Unable to fetch general registers.");
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@ -285,7 +514,7 @@ store_regs (void)
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read_register_gen (regno, (char *) ®s.uregs[regno]);
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}
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ret = ptrace (PTRACE_SETREGS, inferior_pid, 0, ®s);
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ret = ptrace (PTRACE_SETREGS, tid, 0, ®s);
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if (ret < 0)
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{
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@ -301,11 +530,19 @@ store_regs (void)
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void
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fetch_inferior_registers (int regno)
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{
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if ((regno < F0_REGNUM) || (regno > FPS_REGNUM))
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fetch_regs ();
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if (-1 == regno)
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{
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fetch_regs ();
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fetch_fpregs ();
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}
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else
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{
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if (regno < F0_REGNUM || regno > FPS_REGNUM)
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fetch_register (regno);
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if (((regno >= F0_REGNUM) && (regno <= FPS_REGNUM)) || (regno == -1))
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fetch_fpregs ();
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if (regno >= F0_REGNUM && regno <= FPS_REGNUM)
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fetch_fpregister (regno);
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}
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}
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/* Store registers back into the inferior. Store all registers if
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@ -315,17 +552,118 @@ fetch_inferior_registers (int regno)
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void
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store_inferior_registers (int regno)
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{
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if ((regno < F0_REGNUM) || (regno > FPS_REGNUM))
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store_regs ();
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if (-1 == regno)
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{
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store_regs ();
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store_fpregs ();
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}
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else
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{
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if ((regno < F0_REGNUM) || (regno > FPS_REGNUM))
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store_register (regno);
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if (((regno >= F0_REGNUM) && (regno <= FPS_REGNUM)) || (regno == -1))
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store_fpregs ();
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if ((regno >= F0_REGNUM) && (regno <= FPS_REGNUM))
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store_fpregister (regno);
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}
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}
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int
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arm_linux_register_u_addr (int blockend, int regnum)
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/* Fill register regno (if it is a general-purpose register) in
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*gregsetp with the appropriate value from GDB's register array.
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If regno is -1, do this for all registers. */
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void
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fill_gregset (gregset_t *gregsetp, int regno)
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{
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return blockend + REGISTER_BYTE (regnum);
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if (-1 == regno)
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{
|
||||
int regnum;
|
||||
for (regnum = A1_REGNUM; regnum <= PC_REGNUM; regnum++)
|
||||
if (register_valid[regnum])
|
||||
read_register_gen (regnum, (char *) &(*gregsetp)[regnum]);
|
||||
}
|
||||
else if (regno >= A1_REGNUM && regno <= PC_REGNUM)
|
||||
{
|
||||
if (register_valid[regno])
|
||||
read_register_gen (regno, (char *) &(*gregsetp)[regno]);
|
||||
}
|
||||
|
||||
if (PS_REGNUM == regno || -1 == regno)
|
||||
{
|
||||
if (register_valid[regno] || -1 == regno)
|
||||
{
|
||||
if (arm_apcs_32)
|
||||
read_register_gen (PS_REGNUM, (char *) &(*gregsetp)[CPSR_REGNUM]);
|
||||
else
|
||||
read_register_gen (PC_REGNUM, (char *) &(*gregsetp)[PC_REGNUM]);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* Fill GDB's register array with the general-purpose register values
|
||||
in *gregsetp. */
|
||||
|
||||
void
|
||||
supply_gregset (gregset_t *gregsetp)
|
||||
{
|
||||
int regno, reg_pc;
|
||||
|
||||
for (regno = A1_REGNUM; regno < PC_REGNUM; regno++)
|
||||
supply_register (regno, (char *) &(*gregsetp)[regno]);
|
||||
|
||||
if (arm_apcs_32)
|
||||
supply_register (PS_REGNUM, (char *) &(*gregsetp)[CPSR_REGNUM]);
|
||||
else
|
||||
supply_register (PS_REGNUM, (char *) &(*gregsetp)[PC_REGNUM]);
|
||||
|
||||
reg_pc = ADDR_BITS_REMOVE ((CORE_ADDR)(*gregsetp)[PC_REGNUM]);
|
||||
supply_register (PC_REGNUM, (char *) ®_pc);
|
||||
}
|
||||
|
||||
/* Fill register regno (if it is a floating-point register) in
|
||||
*fpregsetp with the appropriate value from GDB's register array.
|
||||
If regno is -1, do this for all registers. */
|
||||
|
||||
void
|
||||
fill_fpregset (fpregset_t *fpregsetp, int regno)
|
||||
{
|
||||
FPA11 *fp = (FPA11 *) fpregsetp;
|
||||
|
||||
if (-1 == regno)
|
||||
{
|
||||
int regnum;
|
||||
for (regnum = F0_REGNUM; regnum <= F7_REGNUM; regnum++)
|
||||
store_nwfpe_register (regnum, fp);
|
||||
}
|
||||
else if (regno >= F0_REGNUM && regno <= F7_REGNUM)
|
||||
{
|
||||
store_nwfpe_register (regno, fp);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Store fpsr. */
|
||||
if (register_valid[FPS_REGNUM])
|
||||
if (FPS_REGNUM == regno || -1 == regno)
|
||||
read_register_gen (FPS_REGNUM, (char *) &fp->fpsr);
|
||||
}
|
||||
|
||||
/* Fill GDB's register array with the floating-point register values
|
||||
in *fpregsetp. */
|
||||
|
||||
void
|
||||
supply_fpregset (fpregset_t *fpregsetp)
|
||||
{
|
||||
int regno;
|
||||
FPA11 *fp = (FPA11 *) fpregsetp;
|
||||
|
||||
/* Fetch fpsr. */
|
||||
supply_register (FPS_REGNUM, (char *) &fp->fpsr);
|
||||
|
||||
/* Fetch the floating point registers. */
|
||||
for (regno = F0_REGNUM; regno <= F7_REGNUM; regno++)
|
||||
{
|
||||
fetch_nwfpe_register (regno, fp);
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
|
|
|
|||
|
|
@ -5,4 +5,7 @@ XDEPFILES= ser-tcp.o
|
|||
|
||||
NAT_FILE= nm-linux.h
|
||||
NATDEPFILES= infptrace.o solib.o inftarg.o fork-child.o corelow.o \
|
||||
core-aout.o arm-linux-nat.o
|
||||
core-regset.o arm-linux-nat.o linux-thread.o lin-thread.o
|
||||
|
||||
LOADLIBES= -ldl -rdynamic
|
||||
|
||||
|
|
|
|||
|
|
@ -21,6 +21,8 @@
|
|||
#ifndef NM_ARMLINUX_H
|
||||
#define NM_ARMLINUX_H
|
||||
|
||||
#include "nm-linux.h"
|
||||
|
||||
/* Return sizeof user struct to callers in less machine dependent routines */
|
||||
extern int kernel_u_size (void);
|
||||
#define KERNEL_U_SIZE arm_linux_kernel_u_size()
|
||||
|
|
@ -28,19 +30,4 @@ extern int kernel_u_size (void);
|
|||
/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
|
||||
#define FETCH_INFERIOR_REGISTERS
|
||||
|
||||
/* Tell gdb that we can attach and detach other processes. */
|
||||
#define ATTACH_DETACH
|
||||
|
||||
extern int arm_register_u_addr (int, int);
|
||||
#define REGISTER_U_ADDR(addr, blockend, regno) \
|
||||
{ (addr) = arm_linux_register_u_addr((blockend), (regno)); }
|
||||
|
||||
/* We define this if link.h is available, because with ELF we use SVR4 style
|
||||
shared libraries. */
|
||||
|
||||
#ifdef HAVE_LINK_H
|
||||
#define SVR4_SHARED_LIBS
|
||||
#include "solib.h" /* Support for shared libraries. */
|
||||
#endif
|
||||
|
||||
#endif /* NM_ARMLINUX_H */
|
||||
|
|
|
|||
|
|
@ -52,7 +52,9 @@ alpha*-*-linux*) gdb_target=alpha-linux ;;
|
|||
arc-*-*) gdb_target=arc ;;
|
||||
|
||||
arm*-wince-pe) gdb_target=wince ;;
|
||||
arm*-*-linux*) gdb_target=linux ;;
|
||||
arm*-*-linux*) gdb_target=linux
|
||||
configdirs="$configdirs gdbserver"
|
||||
;;
|
||||
arm*-*-* | thumb*-*-* | strongarm*-*-*)
|
||||
gdb_target=embed
|
||||
configdirs="$configdirs rdi-share"
|
||||
|
|
|
|||
Loading…
Reference in a new issue