X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fwindows-tdep.c;h=b6e5b9ff7c2662a55abbff2c7a8d363b172a9297;hb=389fe8647555af73fca362bb066786b8cfe52761;hp=32007f6aea0209f74cafa5719cc2114ad0431b8b;hpb=ecd75fc8eed3bde86036141228074a20e55dcfc9;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/windows-tdep.c b/gdb/windows-tdep.c index 32007f6aea..b6e5b9ff7c 100644 --- a/gdb/windows-tdep.c +++ b/gdb/windows-tdep.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2008-2014 Free Software Foundation, Inc. +/* Copyright (C) 2008-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -33,6 +33,58 @@ #include "complaints.h" #include "solib.h" #include "solib-target.h" +#include "gdbcore.h" + +/* Windows signal numbers differ between MinGW flavors and between + those and Cygwin. The below enumeration was gleaned from the + respective headers; the ones marked with MinGW64/Cygwin are defined + only by MinGW64 and Cygwin, not by mingw.org's MinGW. FIXME: We + should really have distinct MinGW vs Cygwin OSABIs, and two + separate enums, selected at runtime. */ + +enum + { + WINDOWS_SIGHUP = 1, /* MinGW64/Cygwin */ + WINDOWS_SIGINT = 2, + WINDOWS_SIGQUIT = 3, /* MinGW64/Cygwin */ + WINDOWS_SIGILL = 4, + WINDOWS_SIGTRAP = 5, /* MinGW64/Cygwin */ +#ifdef __CYGWIN__ + WINDOWS_SIGABRT = 6, +#else + WINDOWS_SIGIOT = 6, /* MinGW64 */ +#endif + WINDOWS_SIGEMT = 7, /* MinGW64/Cygwin */ + WINDOWS_SIGFPE = 8, + WINDOWS_SIGKILL = 9, /* MinGW64/Cygwin */ + WINDOWS_SIGBUS = 10, /* MinGW64/Cygwin */ + WINDOWS_SIGSEGV = 11, + WINDOWS_SIGSYS = 12, /* MinGW64/Cygwin */ + WINDOWS_SIGPIPE = 13,/* MinGW64/Cygwin */ + WINDOWS_SIGALRM = 14,/* MinGW64/Cygwin */ + WINDOWS_SIGTERM = 15, +#ifdef __CYGWIN__ + WINDOWS_SIGURG = 16, + WINDOWS_SIGSTOP = 17, + WINDOWS_SIGTSTP = 18, + WINDOWS_SIGCONT = 19, + WINDOWS_SIGCHLD = 20, + WINDOWS_SIGTTIN = 21, + WINDOWS_SIGTTOU = 22, + WINDOWS_SIGIO = 23, + WINDOWS_SIGXCPU = 24, + WINDOWS_SIGXFSZ = 25, + WINDOWS_SIGVTALRM = 26, + WINDOWS_SIGPROF = 27, + WINDOWS_SIGWINCH = 28, + WINDOWS_SIGLOST = 29, + WINDOWS_SIGUSR1 = 30, + WINDOWS_SIGUSR2 = 31 +#else + WINDOWS_SIGBREAK = 21, + WINDOWS_SIGABRT = 22 +#endif + }; struct cmd_list_element *info_w32_cmdlist; @@ -99,7 +151,7 @@ static const int MAX_TIB64 = sizeof (thread_information_64) / sizeof (uint64_t); static const int FULL_TIB_SIZE = 0x1000; -static int maint_display_all_tib = 0; +static bool maint_display_all_tib = false; /* Define Thread Local Base pointer type. */ @@ -110,7 +162,7 @@ windows_get_tlb_type (struct gdbarch *gdbarch) static struct type *last_tlb_type = NULL; struct type *dword_ptr_type, *dword32_type, *void_ptr_type; struct type *peb_ldr_type, *peb_ldr_ptr_type; - struct type *peb_type, *peb_ptr_type, *list_type, *list_ptr_type; + struct type *peb_type, *peb_ptr_type, *list_type; struct type *module_list_ptr_type; struct type *tib_type, *seh_type, *tib_ptr_type, *seh_ptr_type; @@ -129,9 +181,6 @@ windows_get_tlb_type (struct gdbarch *gdbarch) list_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT); TYPE_NAME (list_type) = xstrdup ("list"); - list_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR, - TYPE_LENGTH (void_ptr_type), NULL); - module_list_ptr_type = void_ptr_type; append_composite_type_field (list_type, "forward_list", @@ -145,7 +194,8 @@ windows_get_tlb_type (struct gdbarch *gdbarch) TYPE_NAME (seh_type) = xstrdup ("seh"); seh_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR, - TYPE_LENGTH (void_ptr_type), NULL); + TYPE_LENGTH (void_ptr_type) * TARGET_CHAR_BIT, + NULL); TYPE_TARGET_TYPE (seh_ptr_type) = seh_type; append_composite_type_field (seh_type, "next_seh", seh_ptr_type); @@ -165,7 +215,8 @@ windows_get_tlb_type (struct gdbarch *gdbarch) append_composite_type_field (peb_ldr_type, "entry_in_progress", void_ptr_type); peb_ldr_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR, - TYPE_LENGTH (void_ptr_type), NULL); + TYPE_LENGTH (void_ptr_type) * TARGET_CHAR_BIT, + NULL); TYPE_TARGET_TYPE (peb_ldr_ptr_type) = peb_ldr_type; @@ -183,7 +234,8 @@ windows_get_tlb_type (struct gdbarch *gdbarch) append_composite_type_field (peb_type, "process_heap", void_ptr_type); append_composite_type_field (peb_type, "fast_peb_lock", void_ptr_type); peb_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR, - TYPE_LENGTH (void_ptr_type), NULL); + TYPE_LENGTH (void_ptr_type) * TARGET_CHAR_BIT, + NULL); TYPE_TARGET_TYPE (peb_ptr_type) = peb_type; @@ -226,7 +278,8 @@ windows_get_tlb_type (struct gdbarch *gdbarch) append_composite_type_field (tib_type, "last_error_number", dword_ptr_type); tib_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR, - TYPE_LENGTH (void_ptr_type), NULL); + TYPE_LENGTH (void_ptr_type) * TARGET_CHAR_BIT, + NULL); TYPE_TARGET_TYPE (tib_ptr_type) = tib_type; last_tlb_type = tib_ptr_type; @@ -277,7 +330,7 @@ static const struct lval_funcs tlb_value_funcs = static struct value * tlb_make_value (struct gdbarch *gdbarch, struct internalvar *var, void *ignore) { - if (target_has_stack && !ptid_equal (inferior_ptid, null_ptid)) + if (target_has_stack && inferior_ptid != null_ptid) { struct type *type = windows_get_tlb_type (gdbarch); return allocate_computed_value (type, &tlb_value_funcs, NULL); @@ -320,27 +373,27 @@ display_one_tib (ptid_t ptid) max = tib_size / size; } - tib = alloca (tib_size); + tib = (gdb_byte *) alloca (tib_size); if (target_get_tib_address (ptid, &thread_local_base) == 0) { printf_filtered (_("Unable to get thread local base for %s\n"), - target_pid_to_str (ptid)); + target_pid_to_str (ptid).c_str ()); return -1; } - if (target_read (¤t_target, TARGET_OBJECT_MEMORY, + if (target_read (current_top_target (), TARGET_OBJECT_MEMORY, NULL, tib, thread_local_base, tib_size) != tib_size) { printf_filtered (_("Unable to read thread information " "block for %s at address %s\n"), - target_pid_to_str (ptid), - paddress (target_gdbarch (), thread_local_base)); + target_pid_to_str (ptid).c_str (), + paddress (target_gdbarch (), thread_local_base)); return -1; } printf_filtered (_("Thread Information Block %s at %s\n"), - target_pid_to_str (ptid), + target_pid_to_str (ptid).c_str (), paddress (target_gdbarch (), thread_local_base)); index = (gdb_byte *) tib; @@ -360,31 +413,12 @@ display_one_tib (ptid_t ptid) return 1; } -/* Display thread information block of a thread specified by ARGS. - If ARGS is empty, display thread information block of current_thread - if current_thread is non NULL. - Otherwise ARGS is parsed and converted to a integer that should - be the windows ThreadID (not the internal GDB thread ID). */ +/* Display thread information block of the current thread. */ static void -display_tib (char * args, int from_tty) +display_tib (const char * args, int from_tty) { - if (args) - { - struct thread_info *tp; - int gdb_id = value_as_long (parse_and_eval (args)); - - tp = find_thread_id (gdb_id); - - if (!tp) - error (_("Thread ID %d not known."), gdb_id); - - if (!target_thread_alive (tp->ptid)) - error (_("Thread ID %d has terminated."), gdb_id); - - display_one_tib (tp->ptid); - } - else if (!ptid_equal (inferior_ptid, null_ptid)) + if (inferior_ptid != null_ptid) display_one_tib (inferior_ptid); } @@ -392,21 +426,17 @@ void windows_xfer_shared_library (const char* so_name, CORE_ADDR load_addr, struct gdbarch *gdbarch, struct obstack *obstack) { - char *p; - struct bfd * dll; CORE_ADDR text_offset; obstack_grow_str (obstack, ""); } @@ -436,7 +466,6 @@ windows_iterate_over_objfiles_in_search_order void *cb_data, struct objfile *current_objfile) { int stop; - struct objfile *objfile; if (current_objfile) { @@ -445,7 +474,7 @@ windows_iterate_over_objfiles_in_search_order return; } - ALL_OBJFILES (objfile) + for (objfile *objfile : current_program_space->objfiles ()) { if (objfile != current_objfile) { @@ -465,7 +494,7 @@ show_maint_show_all_tib (struct ui_file *file, int from_tty, } static void -info_w32_command (char *args, int from_tty) +info_w32_command (const char *args, int from_tty) { help_list (info_w32_cmdlist, "info w32 ", class_info, gdb_stdout); } @@ -483,12 +512,92 @@ init_w32_command_list (void) } } +/* Implementation of `gdbarch_gdb_signal_to_target'. */ + +static int +windows_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal) +{ + switch (signal) + { + case GDB_SIGNAL_0: + return 0; + case GDB_SIGNAL_HUP: + return WINDOWS_SIGHUP; + case GDB_SIGNAL_INT: + return WINDOWS_SIGINT; + case GDB_SIGNAL_QUIT: + return WINDOWS_SIGQUIT; + case GDB_SIGNAL_ILL: + return WINDOWS_SIGILL; + case GDB_SIGNAL_TRAP: + return WINDOWS_SIGTRAP; + case GDB_SIGNAL_ABRT: + return WINDOWS_SIGABRT; + case GDB_SIGNAL_EMT: + return WINDOWS_SIGEMT; + case GDB_SIGNAL_FPE: + return WINDOWS_SIGFPE; + case GDB_SIGNAL_KILL: + return WINDOWS_SIGKILL; + case GDB_SIGNAL_BUS: + return WINDOWS_SIGBUS; + case GDB_SIGNAL_SEGV: + return WINDOWS_SIGSEGV; + case GDB_SIGNAL_SYS: + return WINDOWS_SIGSYS; + case GDB_SIGNAL_PIPE: + return WINDOWS_SIGPIPE; + case GDB_SIGNAL_ALRM: + return WINDOWS_SIGALRM; + case GDB_SIGNAL_TERM: + return WINDOWS_SIGTERM; +#ifdef __CYGWIN__ + case GDB_SIGNAL_URG: + return WINDOWS_SIGURG; + case GDB_SIGNAL_STOP: + return WINDOWS_SIGSTOP; + case GDB_SIGNAL_TSTP: + return WINDOWS_SIGTSTP; + case GDB_SIGNAL_CONT: + return WINDOWS_SIGCONT; + case GDB_SIGNAL_CHLD: + return WINDOWS_SIGCHLD; + case GDB_SIGNAL_TTIN: + return WINDOWS_SIGTTIN; + case GDB_SIGNAL_TTOU: + return WINDOWS_SIGTTOU; + case GDB_SIGNAL_IO: + return WINDOWS_SIGIO; + case GDB_SIGNAL_XCPU: + return WINDOWS_SIGXCPU; + case GDB_SIGNAL_XFSZ: + return WINDOWS_SIGXFSZ; + case GDB_SIGNAL_VTALRM: + return WINDOWS_SIGVTALRM; + case GDB_SIGNAL_PROF: + return WINDOWS_SIGPROF; + case GDB_SIGNAL_WINCH: + return WINDOWS_SIGWINCH; + case GDB_SIGNAL_PWR: + return WINDOWS_SIGLOST; + case GDB_SIGNAL_USR1: + return WINDOWS_SIGUSR1; + case GDB_SIGNAL_USR2: + return WINDOWS_SIGUSR2; +#endif /* __CYGWIN__ */ + } + return -1; +} + /* To be called from the various GDB_OSABI_CYGWIN handlers for the various Windows architectures and machine types. */ void windows_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { + set_gdbarch_wchar_bit (gdbarch, 16); + set_gdbarch_wchar_signed (gdbarch, 0); + /* Canonical paths on this target look like `c:\Program Files\Foo App\mydll.dll', for example. */ set_gdbarch_has_dos_based_file_system (gdbarch, 1); @@ -496,12 +605,11 @@ windows_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_iterate_over_objfiles_in_search_order (gdbarch, windows_iterate_over_objfiles_in_search_order); + set_gdbarch_gdb_signal_to_target (gdbarch, windows_gdb_signal_to_target); + set_solib_ops (gdbarch, &solib_target_so_ops); } -/* Provide a prototype to silence -Wmissing-prototypes. */ -extern initialize_file_ftype _initialize_windows_tdep; - /* Implementation of `tlb' variable. */ static const struct internalvar_funcs tlb_funcs =