diff options
| -rw-r--r-- | gdbserver/ChangeLog | 24 | ||||
| -rw-r--r-- | gdbserver/linux-low.cc | 15 | ||||
| -rw-r--r-- | gdbserver/linux-low.h | 7 | ||||
| -rw-r--r-- | gdbserver/lynx-low.cc | 1 | ||||
| -rw-r--r-- | gdbserver/nto-low.cc | 1 | ||||
| -rw-r--r-- | gdbserver/server.cc | 6 | ||||
| -rw-r--r-- | gdbserver/target.cc | 13 | ||||
| -rw-r--r-- | gdbserver/target.h | 11 | ||||
| -rw-r--r-- | gdbserver/win32-low.cc | 1 |
9 files changed, 63 insertions, 16 deletions
diff --git a/gdbserver/ChangeLog b/gdbserver/ChangeLog index 5c9928a..0541c54 100644 --- a/gdbserver/ChangeLog +++ b/gdbserver/ChangeLog @@ -1,5 +1,29 @@ 2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> + Turn process_stratum_target's read_loadmap op into a method of + process_target. + + * target.h (struct process_stratum_target): Remove the target op. + (class process_target): Add the target op. Also add + 'supports_read_loadmap'. + * target.cc (process_target::read_loadmap): Define. + (process_target::supports_read_loadmap): Define. + + Update the derived classes and callers below. + + * server.cc (handle_qxfer_fdpic): Update. + (handle_query): Update. + * linux-low.cc (linux_target_ops): Update. + (linux_process_target::supports_read_loadmap): Define. + (linux_read_loadmap): Turn into ... + (linux_process_target::read_loadmap): ... this. + * linux-low.h (class linux_process_target): Update. + * lynx-low.cc (lynx_target_ops): Update. + * nto-low.cc (nto_target_ops): Update. + * win32-low.cc (win32_target_ops): Update. + +2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com> + Turn process_stratum_target's core_of_thread op into a method of process_target. diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index 6ed6c48..03de9e8 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -6483,9 +6483,15 @@ struct target_loadmap # define LINUX_LOADMAP_INTERP PTRACE_GETFDPIC_INTERP # endif -static int -linux_read_loadmap (const char *annex, CORE_ADDR offset, - unsigned char *myaddr, unsigned int len) +bool +linux_process_target::supports_read_loadmap () +{ + return true; +} + +int +linux_process_target::read_loadmap (const char *annex, CORE_ADDR offset, + unsigned char *myaddr, unsigned int len) { int pid = lwpid_of (current_thread); int addr = -1; @@ -6515,8 +6521,6 @@ linux_read_loadmap (const char *annex, CORE_ADDR offset, memcpy (myaddr, (char *) data + offset, copy_length); return copy_length; } -#else -# define linux_read_loadmap NULL #endif /* defined PT_GETDSBT || defined PTRACE_GETFDPIC */ static void @@ -7445,7 +7449,6 @@ linux_get_hwcap2 (int wordsize) static linux_process_target the_linux_target; static process_stratum_target linux_target_ops = { - linux_read_loadmap, linux_process_qsupported, linux_supports_tracepoints, linux_read_pc, diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index 1d89ebd..9f4fdab 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -377,6 +377,13 @@ public: int handle_monitor_command (char *mon) override; int core_of_thread (ptid_t ptid) override; + +#if defined PT_GETDSBT || defined PTRACE_GETFDPIC + bool supports_read_loadmap () override; + + int read_loadmap (const char *annex, CORE_ADDR offset, + unsigned char *myaddr, unsigned int len) override; +#endif }; #define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr))) diff --git a/gdbserver/lynx-low.cc b/gdbserver/lynx-low.cc index 2e17759..b384d20 100644 --- a/gdbserver/lynx-low.cc +++ b/gdbserver/lynx-low.cc @@ -735,7 +735,6 @@ static lynx_process_target the_lynx_target; /* The LynxOS target_ops vector. */ static process_stratum_target lynx_target_ops = { - NULL, /* read_loadmap */ NULL, /* process_qsupported */ NULL, /* supports_tracepoints */ NULL, /* read_pc */ diff --git a/gdbserver/nto-low.cc b/gdbserver/nto-low.cc index 9a70871..70d218c 100644 --- a/gdbserver/nto-low.cc +++ b/gdbserver/nto-low.cc @@ -947,7 +947,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size) static nto_process_target the_nto_target; static process_stratum_target nto_target_ops = { - NULL, /* read_loadmap */ NULL, /* process_qsupported */ NULL, /* supports_tracepoints */ NULL, /* read_pc */ diff --git a/gdbserver/server.cc b/gdbserver/server.cc index f981788..df307f5 100644 --- a/gdbserver/server.cc +++ b/gdbserver/server.cc @@ -1792,13 +1792,13 @@ static int handle_qxfer_fdpic (const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, LONGEST len) { - if (the_target->read_loadmap == NULL) + if (!the_target->pt->supports_read_loadmap ()) return -2; if (current_thread == NULL) return -1; - return (*the_target->read_loadmap) (annex, offset, readbuf, len); + return the_target->pt->read_loadmap (annex, offset, readbuf, len); } /* Handle qXfer:btrace:read. */ @@ -2380,7 +2380,7 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p) if (the_target->pt->supports_qxfer_siginfo ()) strcat (own_buf, ";qXfer:siginfo:read+;qXfer:siginfo:write+"); - if (the_target->read_loadmap != NULL) + if (the_target->pt->supports_read_loadmap ()) strcat (own_buf, ";qXfer:fdpic:read+"); /* We always report qXfer:features:read, as targets may diff --git a/gdbserver/target.cc b/gdbserver/target.cc index e1c802d..26b9d8b 100644 --- a/gdbserver/target.cc +++ b/gdbserver/target.cc @@ -589,3 +589,16 @@ process_target::core_of_thread (ptid_t ptid) { return -1; } + +bool +process_target::supports_read_loadmap () +{ + return false; +} + +int +process_target::read_loadmap (const char *annex, CORE_ADDR offset, + unsigned char *myaddr, unsigned int len) +{ + gdb_assert_not_reached ("target op read_loadmap not supported"); +} diff --git a/gdbserver/target.h b/gdbserver/target.h index 96d986a..f69bd9d 100644 --- a/gdbserver/target.h +++ b/gdbserver/target.h @@ -70,10 +70,6 @@ class process_target; shared code. */ struct process_stratum_target { - /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ - int (*read_loadmap) (const char *annex, CORE_ADDR offset, - unsigned char *myaddr, unsigned int len); - /* Target specific qSupported support. FEATURES is an array of features with COUNT elements. */ void (*process_qsupported) (char **features, int count); @@ -486,6 +482,13 @@ public: /* Returns the core given a thread, or -1 if not known. */ virtual int core_of_thread (ptid_t ptid); + + /* Returns true if the read_loadmap target op is supported. */ + virtual bool supports_read_loadmap (); + + /* Read loadmaps. Read LEN bytes at OFFSET into a buffer at MYADDR. */ + virtual int read_loadmap (const char *annex, CORE_ADDR offset, + unsigned char *myaddr, unsigned int len); }; extern process_stratum_target *the_target; diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc index c0b7326..9fc8825 100644 --- a/gdbserver/win32-low.cc +++ b/gdbserver/win32-low.cc @@ -1852,7 +1852,6 @@ win32_sw_breakpoint_from_kind (int kind, int *size) static win32_process_target the_win32_target; static process_stratum_target win32_target_ops = { - NULL, /* read_loadmap */ NULL, /* process_qsupported */ NULL, /* supports_tracepoints */ NULL, /* read_pc */ |