X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Fprocfs.c;h=15a0409f3191b054c212cc867b8bc4881a96f02a;hb=ed34ef5ed3b11141a622e3edfb0c47e790f1fea7;hp=f0d65d2d74de92dc12bdb67d3846ff410665647b;hpb=a69900ae4ef5a53f7709c15a4aead39417196dce;p=platform%2Fupstream%2Fbinutils.git diff --git a/gdb/procfs.c b/gdb/procfs.c index f0d65d2..15a0409 100644 --- a/gdb/procfs.c +++ b/gdb/procfs.c @@ -22,6 +22,7 @@ #include "defs.h" #include "inferior.h" +#include "infrun.h" #include "target.h" #include "gdbcore.h" #include "elf-bfd.h" /* for elfcore_write_* */ @@ -41,13 +42,10 @@ #ifdef HAVE_SYS_SYSCALL_H #include #endif -#include #include "gdb_wait.h" #include #include #include "gdb_bfd.h" -#include -#include "gdb_assert.h" #include "inflow.h" #include "auxv.h" #include "procfs.h" @@ -109,7 +107,7 @@ /* This module defines the GDB target vector and its methods. */ -static void procfs_attach (struct target_ops *, char *, int); +static void procfs_attach (struct target_ops *, const char *, int); static void procfs_detach (struct target_ops *, const char *, int); static void procfs_resume (struct target_ops *, ptid_t, int, enum gdb_signal); @@ -147,7 +145,7 @@ static char * procfs_make_note_section (struct target_ops *self, static int procfs_can_use_hw_breakpoint (struct target_ops *self, int, int, int); -static void procfs_info_proc (struct target_ops *, char *, +static void procfs_info_proc (struct target_ops *, const char *, enum info_proc_what); #if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64) @@ -2904,13 +2902,6 @@ static void do_detach (int signo); static void proc_trace_syscalls_1 (procinfo *pi, int syscallnum, int entry_or_exit, int mode, int from_tty); -/* On mips-irix, we need to insert a breakpoint at __dbx_link during - the startup phase. The following two variables are used to record - the address of the breakpoint, and the code that was replaced by - a breakpoint. */ -static int dbx_link_bpt_addr = 0; -static void *dbx_link_bpt; - /* Sets up the inferior to be debugged. Registers to trace signals, hardware faults, and syscalls. Note: does not set RLC flag: caller may want to customize that. Returns zero for success (note! @@ -3038,7 +3029,7 @@ procfs_debug_inferior (procinfo *pi) } static void -procfs_attach (struct target_ops *ops, char *args, int from_tty) +procfs_attach (struct target_ops *ops, const char *args, int from_tty) { char *exec_file; int pid; @@ -3062,7 +3053,8 @@ procfs_attach (struct target_ops *ops, char *args, int from_tty) fflush (stdout); } inferior_ptid = do_attach (pid_to_ptid (pid)); - push_target (ops); + if (!target_is_pushed (ops)) + push_target (ops); } static void @@ -3091,7 +3083,7 @@ procfs_detach (struct target_ops *ops, const char *args, int from_tty) inferior_ptid = null_ptid; detach_inferior (pid); - unpush_target (ops); + inf_child_maybe_unpush_target (ops); } static ptid_t @@ -3381,23 +3373,6 @@ syscall_is_lwp_create (procinfo *pi, int scall) return 0; } -/* Remove the breakpoint that we inserted in __dbx_link(). - Does nothing if the breakpoint hasn't been inserted or has already - been removed. */ - -static void -remove_dbx_link_breakpoint (void) -{ - if (dbx_link_bpt_addr == 0) - return; - - if (deprecated_remove_raw_breakpoint (target_gdbarch (), dbx_link_bpt) != 0) - warning (_("Unable to remove __dbx_link breakpoint.")); - - dbx_link_bpt_addr = 0; - dbx_link_bpt = NULL; -} - #ifdef SYS_syssgi /* Return the address of the __dbx_link() function in the file refernced by ABFD by scanning its symbol table. Return 0 if @@ -3462,10 +3437,12 @@ insert_dbx_link_bpt_in_file (int fd, CORE_ADDR ignored) sym_addr = dbx_link_addr (abfd); if (sym_addr != 0) { + struct breakpoint *dbx_link_bpt; + /* Insert the breakpoint. */ - dbx_link_bpt_addr = sym_addr; - dbx_link_bpt = deprecated_insert_raw_breakpoint (target_gdbarch (), NULL, - sym_addr); + dbx_link_bpt + = create_and_insert_solib_event_breakpoint (target_gdbarch (), + sym_addr); if (dbx_link_bpt == NULL) { warning (_("Failed to insert dbx_link breakpoint.")); @@ -3895,14 +3872,6 @@ wait_again: #if (FLTTRACE != FLTBPT) /* Avoid "duplicate case" error. */ case FLTTRACE: #endif - /* If we hit our __dbx_link() internal breakpoint, - then remove it. See comments in procfs_init_inferior() - for more details. */ - if (dbx_link_bpt_addr != 0 - && dbx_link_bpt_addr - == regcache_read_pc (get_current_regcache ())) - remove_dbx_link_breakpoint (); - wstat = (SIGTRAP << 8) | 0177; break; case FLTSTACK: @@ -3991,11 +3960,9 @@ procfs_xfer_partial (struct target_ops *ops, enum target_object object, #endif default: - if (ops->beneath != NULL) - return ops->beneath->to_xfer_partial (ops->beneath, object, annex, - readbuf, writebuf, offset, len, - xfered_len); - return TARGET_XFER_E_IO; + return ops->beneath->to_xfer_partial (ops->beneath, object, annex, + readbuf, writebuf, offset, len, + xfered_len); } } @@ -4340,16 +4307,10 @@ procfs_mourn_inferior (struct target_ops *ops) if (pi) destroy_procinfo (pi); } - unpush_target (ops); - - if (dbx_link_bpt != NULL) - { - deprecated_remove_raw_breakpoint (target_gdbarch (), dbx_link_bpt); - dbx_link_bpt_addr = 0; - dbx_link_bpt = NULL; - } generic_mourn_inferior (); + + inf_child_maybe_unpush_target (ops); } /* When GDB forks to create a runnable inferior process, this function @@ -4367,7 +4328,8 @@ procfs_init_inferior (struct target_ops *ops, int pid) /* This routine called on the parent side (GDB side) after GDB forks the inferior. */ - push_target (ops); + if (!target_is_pushed (ops)) + push_target (ops); if ((pi = create_procinfo (pid, 0)) == NULL) perror (_("procfs: out of memory in 'init_inferior'")); @@ -5137,7 +5099,7 @@ info_proc_mappings (procinfo *pi, int summary) /* Implement the "info proc" command. */ static void -procfs_info_proc (struct target_ops *ops, char *args, +procfs_info_proc (struct target_ops *ops, const char *args, enum info_proc_what what) { struct cleanup *old_chain; @@ -5372,7 +5334,7 @@ procfs_do_thread_registers (bfd *obfd, ptid_t ptid, /* This part is the old method for fetching registers. It should be replaced by the newer one using regsets once it is implemented in this platform: - gdbarch_regset_from_core_section() and regset->collect_regset(). */ + gdbarch_iterate_over_regset_sections(). */ old_chain = save_inferior_ptid (); inferior_ptid = ptid; @@ -5518,7 +5480,6 @@ procfs_make_note_section (struct target_ops *self, bfd *obfd, int *note_size) xfree (auxv); } - make_cleanup (xfree, note_data); return note_data; } #else /* !Solaris */