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authorUlrich Weigand <uweigand@de.ibm.com>2007-06-05 22:47:50 +0000
committerUlrich Weigand <uweigand@de.ibm.com>2007-06-05 22:47:50 +0000
commitd3e9c991c822e84cc7744e8131fb8a871f0b674f (patch)
tree0390bcaa61666c81b21980719333afec123abed1 /gdb
parent5e787d22c9685b84fd1d7b22256d54a1d9d03aeb (diff)
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* hppa-hpux-tdep.c (args_for_find_stub, HP_ACC_EH_notify_hook,
HP_ACC_EH_set_hook_value, HP_ACC_EH_notify_callback, HP_ACC_EH_break, HP_ACC_EH_catch_throw, HP_ACC_EH_catch_catch, __eh_notification, hp_cxx_exception_support, hp_cxx_exception_support_initialized, eh_notify_hook_addr, eh_notify_callback_addr, eh_break_addr, eh_catch_throw_addr, break_callback_sal, setup_d_pid_in_inferior, find_stub_with_shl_get, cover_find_stub_with_shl_get, initialize_hp_cxx_exception_support, child_enable_exception_callback, current_ex_event, child_get_current_exception_event): Remove. (hppa_hpux_inferior_created): Remove. (hppa_hpux_init_abi): Do not install hppa_hpux_inferior_created. * breakpoint.h (deprecated_exception_catchpoints_are_fragile): Remove. (deprecated_exception_support_initialized): Remove. * breakpoint.c (deprecated_exception_catchpoints_are_fragile): Remove. (deprecated_exception_support_initialized): Remove. (breakpoint_init_inferior): Remove handling of non-zero deprecated_exception_catchpoints_are_fragile. * symtab.h (deprecated_hp_som_som_object_present): Remove. * symtab.c (deprecated_hp_som_som_object_present): Remove. * c-typeprint.c (c_type_print_base): Remove handling of non-zero deprecated_hp_som_som_object_present. * eval.c (evaluate_subexp_standard): Likewise. * valops.c (value_cast): Likewise. * parse.c (parse_nested_classes_for_hpacc, coloncolon): Remove. * parser-defs.h (parse_nested_classes_for_hpacc): Remove. * c-exp.y (yylex): Do not call parse_nested_classes_for_hpacc.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog32
-rw-r--r--gdb/breakpoint.c28
-rw-r--r--gdb/breakpoint.h8
-rw-r--r--gdb/c-exp.y28
-rw-r--r--gdb/c-typeprint.c13
-rw-r--r--gdb/eval.c49
-rw-r--r--gdb/hppa-hpux-tdep.c575
-rw-r--r--gdb/parse.c181
-rw-r--r--gdb/parser-defs.h3
-rw-r--r--gdb/symtab.c4
-rw-r--r--gdb/symtab.h5
-rw-r--r--gdb/valops.c15
12 files changed, 32 insertions, 909 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7c41b60..6f6fc94 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,37 @@
2007-06-06 Ulrich Weigand <uweigand@de.ibm.com>
+ * hppa-hpux-tdep.c (args_for_find_stub, HP_ACC_EH_notify_hook,
+ HP_ACC_EH_set_hook_value, HP_ACC_EH_notify_callback, HP_ACC_EH_break,
+ HP_ACC_EH_catch_throw, HP_ACC_EH_catch_catch, __eh_notification,
+ hp_cxx_exception_support, hp_cxx_exception_support_initialized,
+ eh_notify_hook_addr, eh_notify_callback_addr, eh_break_addr,
+ eh_catch_throw_addr, break_callback_sal, setup_d_pid_in_inferior,
+ find_stub_with_shl_get, cover_find_stub_with_shl_get,
+ initialize_hp_cxx_exception_support, child_enable_exception_callback,
+ current_ex_event, child_get_current_exception_event): Remove.
+ (hppa_hpux_inferior_created): Remove.
+ (hppa_hpux_init_abi): Do not install hppa_hpux_inferior_created.
+
+ * breakpoint.h (deprecated_exception_catchpoints_are_fragile): Remove.
+ (deprecated_exception_support_initialized): Remove.
+ * breakpoint.c (deprecated_exception_catchpoints_are_fragile): Remove.
+ (deprecated_exception_support_initialized): Remove.
+ (breakpoint_init_inferior): Remove handling of non-zero
+ deprecated_exception_catchpoints_are_fragile.
+
+ * symtab.h (deprecated_hp_som_som_object_present): Remove.
+ * symtab.c (deprecated_hp_som_som_object_present): Remove.
+ * c-typeprint.c (c_type_print_base): Remove handling of non-zero
+ deprecated_hp_som_som_object_present.
+ * eval.c (evaluate_subexp_standard): Likewise.
+ * valops.c (value_cast): Likewise.
+
+ * parse.c (parse_nested_classes_for_hpacc, coloncolon): Remove.
+ * parser-defs.h (parse_nested_classes_for_hpacc): Remove.
+ * c-exp.y (yylex): Do not call parse_nested_classes_for_hpacc.
+
+2007-06-06 Ulrich Weigand <uweigand@de.ibm.com>
+
* objfiles.h (ImportEntry, ExportEntry): Remove types.
(struct objfile): Remove import_list, import_list_size,
export_list, export_list_size members.
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 59cb151..867cc6d 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -298,14 +298,6 @@ int breakpoint_count;
/* Pointer to current exception event record */
static struct exception_event_record *current_exception_event;
-/* Indicator of whether exception catchpoints should be nuked between
- runs of a program. */
-int deprecated_exception_catchpoints_are_fragile = 0;
-
-/* Indicator of when exception catchpoints set-up should be
- reinitialized -- e.g. when program is re-run. */
-int deprecated_exception_support_initialized = 0;
-
/* This function returns a pointer to the string representation of the
pathname of the dynamically-linked library that has just been
loaded.
@@ -1719,7 +1711,6 @@ breakpoint_init_inferior (enum inf_context context)
{
struct breakpoint *b, *temp;
struct bp_location *bpt;
- static int warning_needed = 0;
ALL_BP_LOCATIONS (bpt)
bpt->inserted = 0;
@@ -1757,28 +1748,9 @@ breakpoint_init_inferior (enum inf_context context)
}
break;
default:
- /* Likewise for exception catchpoints in dynamic-linked
- executables where required */
- if (ep_is_exception_catchpoint (b)
- && deprecated_exception_catchpoints_are_fragile)
- {
- warning_needed = 1;
- delete_breakpoint (b);
- }
break;
}
}
-
- if (deprecated_exception_catchpoints_are_fragile)
- deprecated_exception_support_initialized = 0;
-
- /* Don't issue the warning unless it's really needed... */
- if (warning_needed && (context != inf_exited))
- {
- warning (_("Exception catchpoints from last run were deleted.\n"
- "You must reinsert them explicitly."));
- warning_needed = 0;
- }
}
/* breakpoint_here_p (PC) returns non-zero if an enabled breakpoint
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 9f0b940..6a28b79 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -835,12 +835,4 @@ extern void remove_single_step_breakpoints (void);
extern void *deprecated_insert_raw_breakpoint (CORE_ADDR);
extern int deprecated_remove_raw_breakpoint (void *);
-/* Indicator of whether exception catchpoints should be nuked between
- runs of a program. */
-extern int deprecated_exception_catchpoints_are_fragile;
-
-/* Indicator of when exception catchpoints set-up should be
- reinitialized -- e.g. when program is re-run. */
-extern int deprecated_exception_support_initialized;
-
#endif /* !defined (BREAKPOINT_H) */
diff --git a/gdb/c-exp.y b/gdb/c-exp.y
index cda9177..fde097d 100644
--- a/gdb/c-exp.y
+++ b/gdb/c-exp.y
@@ -1301,10 +1301,8 @@ yylex ()
int tempbufindex;
static char *tempbuf;
static int tempbufsize;
- struct symbol * sym_class = NULL;
char * token_string = NULL;
int class_prefix = 0;
- int unquoted_expr;
retry:
@@ -1320,7 +1318,6 @@ yylex ()
}
prev_lexptr = lexptr;
- unquoted_expr = 1;
tokstart = lexptr;
/* See if it is a special token of length 3. */
@@ -1392,7 +1389,6 @@ yylex ()
if (namelen > 2)
{
lexptr = tokstart + namelen;
- unquoted_expr = 0;
if (lexptr[-1] != '\'')
error ("Unmatched single quote.");
namelen -= 2;
@@ -1691,30 +1687,6 @@ yylex ()
return VARIABLE;
}
- /* Look ahead and see if we can consume more of the input
- string to get a reasonable class/namespace spec or a
- fully-qualified name. This is a kludge to get around the
- HP aCC compiler's generation of symbol names with embedded
- colons for namespace and nested classes. */
-
- /* NOTE: carlton/2003-09-24: I don't entirely understand the
- HP-specific code, either here or in linespec. Having said that,
- I suspect that we're actually moving towards their model: we want
- symbols whose names are fully qualified, which matches the
- description above. */
- if (unquoted_expr)
- {
- /* Only do it if not inside single quotes */
- sym_class = parse_nested_classes_for_hpacc (yylval.sval.ptr, yylval.sval.length,
- &token_string, &class_prefix, &lexptr);
- if (sym_class)
- {
- /* Replace the current token with the bigger one we found */
- yylval.sval.ptr = token_string;
- yylval.sval.length = strlen (token_string);
- }
- }
-
/* Use token-type BLOCKNAME for symbols that happen to be defined as
functions or symtabs. If this is not so, then ...
Use token-type TYPENAME for symbols that happen to be defined
diff --git a/gdb/c-typeprint.c b/gdb/c-typeprint.c
index af9acc5..5d1fe6d 100644
--- a/gdb/c-typeprint.c
+++ b/gdb/c-typeprint.c
@@ -1053,19 +1053,6 @@ c_type_print_base (struct type *type, struct ui_file *stream, int show,
case TYPE_CODE_ENUM:
c_type_print_modifier (type, stream, 0, 1);
- /* HP C supports sized enums */
- if (deprecated_hp_som_som_object_present)
- switch (TYPE_LENGTH (type))
- {
- case 1:
- fputs_filtered ("char ", stream);
- break;
- case 2:
- fputs_filtered ("short ", stream);
- break;
- default:
- break;
- }
fprintf_filtered (stream, "enum ");
/* Print the tag name if it exists.
The aCC compiler emits a spurious
diff --git a/gdb/eval.c b/gdb/eval.c
index c385539..75cea6b 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -1022,14 +1022,6 @@ evaluate_subexp_standard (struct type *expect_type,
argvec = (struct value **) alloca (sizeof (struct value *) * (nargs + 3));
if (op == STRUCTOP_MEMBER || op == STRUCTOP_MPTR)
{
- /* 1997-08-01 Currently we do not support function invocation
- via pointers-to-methods with HP aCC. Pointer does not point
- to the function, but possibly to some thunk. */
- if (deprecated_hp_som_som_object_present)
- {
- error (_("Not implemented: function invocation through pointer to method with HP aCC"));
- }
-
nargs++;
/* First, evaluate the structure into arg2 */
pc2 = (*pos)++;
@@ -1415,14 +1407,6 @@ evaluate_subexp_standard (struct type *expect_type,
switch (TYPE_CODE (type))
{
case TYPE_CODE_METHODPTR:
- if (deprecated_hp_som_som_object_present)
- {
- /* With HP aCC, pointers to methods do not point to the
- function code. */
- /* 1997-08-19 */
- error (_("Pointers to methods not supported with HP aCC"));
- }
-
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (TYPE_TARGET_TYPE (type), not_lval);
else
@@ -1438,14 +1422,6 @@ evaluate_subexp_standard (struct type *expect_type,
arg1);
mem_offset = value_as_long (arg2);
- if (deprecated_hp_som_som_object_present)
- {
- /* HP aCC generates offsets that have bit #29 set; turn it off to get
- a real offset to the member. */
- if (!mem_offset) /* no bias -> really null */
- error (_("Attempted dereference of null pointer-to-member"));
- mem_offset &= ~0x20000000;
- }
arg3 = value_from_pointer (lookup_pointer_type (TYPE_TARGET_TYPE (type)),
value_as_long (arg1) + mem_offset);
@@ -1469,24 +1445,6 @@ evaluate_subexp_standard (struct type *expect_type,
arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside);
arg2 = evaluate_subexp (value_type (arg1), exp, pos, noside);
- /* Do special stuff for HP aCC pointers to members */
- if (deprecated_hp_som_som_object_present)
- {
- /* 1997-08-19 Can't assign HP aCC pointers to methods. No details of
- the implementation yet; but the pointer appears to point to a code
- sequence (thunk) in memory -- in any case it is *not* the address
- of the function as it would be in a naive implementation. */
- if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_METHODPTR)
- error (_("Assignment to pointers to methods not implemented with HP aCC"));
-
- /* HP aCC pointers to data members require a constant bias. */
- if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_MEMBERPTR)
- {
- unsigned int *ptr = (unsigned int *) value_contents (arg2); /* forces evaluation */
- *ptr |= 0x20000000; /* set 29th bit */
- }
- }
-
if (noside == EVAL_SKIP || noside == EVAL_AVOID_SIDE_EFFECTS)
return arg1;
if (binop_user_defined_p (op, arg1, arg2))
@@ -1978,13 +1936,6 @@ evaluate_subexp_standard (struct type *expect_type,
else
{
struct value *retvalp = evaluate_subexp_for_address (exp, pos, noside);
- /* If HP aCC object, use bias for pointers to members */
- if (deprecated_hp_som_som_object_present
- && TYPE_CODE (value_type (retvalp)) == TYPE_CODE_MEMBERPTR)
- {
- unsigned int *ptr = (unsigned int *) value_contents (retvalp); /* forces evaluation */
- *ptr |= 0x20000000; /* set 29th bit */
- }
return retvalp;
}
diff --git a/gdb/hppa-hpux-tdep.c b/gdb/hppa-hpux-tdep.c
index ab44e95..ba2390c 100644
--- a/gdb/hppa-hpux-tdep.c
+++ b/gdb/hppa-hpux-tdep.c
@@ -67,14 +67,6 @@
extern void _initialize_hppa_hpux_tdep (void);
extern initialize_file_ftype _initialize_hppa_hpux_tdep;
-typedef struct
- {
- struct minimal_symbol *msym;
- CORE_ADDR solib_handle;
- CORE_ADDR return_val;
- }
-args_for_find_stub;
-
static int
in_opd_section (CORE_ADDR pc)
{
@@ -571,562 +563,6 @@ hppa_skip_permanent_breakpoint (struct regcache *regcache)
/* We can leave the tail's space the same, since there's no jump. */
}
-/* Exception handling support for the HP-UX ANSI C++ compiler.
- The compiler (aCC) provides a callback for exception events;
- GDB can set a breakpoint on this callback and find out what
- exception event has occurred. */
-
-/* The name of the hook to be set to point to the callback function. */
-static char HP_ACC_EH_notify_hook[] = "__eh_notify_hook";
-/* The name of the function to be used to set the hook value. */
-static char HP_ACC_EH_set_hook_value[] = "__eh_set_hook_value";
-/* The name of the callback function in end.o */
-static char HP_ACC_EH_notify_callback[] = "__d_eh_notify_callback";
-/* Name of function in end.o on which a break is set (called by above). */
-static char HP_ACC_EH_break[] = "__d_eh_break";
-/* Name of flag (in end.o) that enables catching throws. */
-static char HP_ACC_EH_catch_throw[] = "__d_eh_catch_throw";
-/* Name of flag (in end.o) that enables catching catching. */
-static char HP_ACC_EH_catch_catch[] = "__d_eh_catch_catch";
-/* The enum used by aCC. */
-typedef enum
- {
- __EH_NOTIFY_THROW,
- __EH_NOTIFY_CATCH
- }
-__eh_notification;
-
-/* Is exception-handling support available with this executable? */
-static int hp_cxx_exception_support = 0;
-/* Has the initialize function been run? */
-static int hp_cxx_exception_support_initialized = 0;
-/* Address of __eh_notify_hook */
-static CORE_ADDR eh_notify_hook_addr = 0;
-/* Address of __d_eh_notify_callback */
-static CORE_ADDR eh_notify_callback_addr = 0;
-/* Address of __d_eh_break */
-static CORE_ADDR eh_break_addr = 0;
-/* Address of __d_eh_catch_catch */
-static CORE_ADDR eh_catch_catch_addr = 0;
-/* Address of __d_eh_catch_throw */
-static CORE_ADDR eh_catch_throw_addr = 0;
-/* Sal for __d_eh_break */
-static struct symtab_and_line *break_callback_sal = 0;
-
-/* Code in end.c expects __d_pid to be set in the inferior,
- otherwise __d_eh_notify_callback doesn't bother to call
- __d_eh_break! So we poke the pid into this symbol
- ourselves.
- 0 => success
- 1 => failure */
-static int
-setup_d_pid_in_inferior (void)
-{
- CORE_ADDR anaddr;
- struct minimal_symbol *msymbol;
- char buf[4]; /* FIXME 32x64? */
-
- /* Slam the pid of the process into __d_pid; failing is only a warning! */
- msymbol = lookup_minimal_symbol ("__d_pid", NULL, symfile_objfile);
- if (msymbol == NULL)
- {
- warning (_("Unable to find __d_pid symbol in object file.\n"
- "Suggest linking executable with -g (links in /opt/langtools/lib/end.o)."));
- return 1;
- }
-
- anaddr = SYMBOL_VALUE_ADDRESS (msymbol);
- store_unsigned_integer (buf, 4, PIDGET (inferior_ptid)); /* FIXME 32x64? */
- if (target_write_memory (anaddr, buf, 4)) /* FIXME 32x64? */
- {
- warning (_("Unable to write __d_pid.\n"
- "Suggest linking executable with -g (links in /opt/langtools/lib/end.o)."));
- return 1;
- }
- return 0;
-}
-
-/* elz: Used to lookup a symbol in the shared libraries.
- This function calls shl_findsym, indirectly through a
- call to __d_shl_get. __d_shl_get is in end.c, which is always
- linked in by the hp compilers/linkers.
- The call to shl_findsym cannot be made directly because it needs
- to be active in target address space.
- inputs: - minimal symbol pointer for the function we want to look up
- - address in target space of the descriptor for the library
- where we want to look the symbol up.
- This address is retrieved using the
- som_solib_get_solib_by_pc function (somsolib.c).
- output: - real address in the library of the function.
- note: the handle can be null, in which case shl_findsym will look for
- the symbol in all the loaded shared libraries.
- files to look at if you need reference on this stuff:
- dld.c, dld_shl_findsym.c
- end.c
- man entry for shl_findsym */
-
-static CORE_ADDR
-find_stub_with_shl_get (struct minimal_symbol *function, CORE_ADDR handle)
-{
- struct symbol *get_sym, *symbol2;
- struct minimal_symbol *buff_minsym, *msymbol;
- struct type *ftype;
- struct value **args;
- struct value *funcval;
- struct value *val;
-
- int x, namelen, err_value, tmp = -1;
- CORE_ADDR endo_buff_addr, value_return_addr, errno_return_addr;
- CORE_ADDR stub_addr;
-
-
- args = alloca (sizeof (struct value *) * 8); /* 6 for the arguments and one null one??? */
- funcval = find_function_in_inferior ("__d_shl_get");
- get_sym = lookup_symbol ("__d_shl_get", NULL, VAR_DOMAIN, NULL, NULL);
- buff_minsym = lookup_minimal_symbol ("__buffer", NULL, NULL);
- msymbol = lookup_minimal_symbol ("__shldp", NULL, NULL);
- symbol2 = lookup_symbol ("__shldp", NULL, VAR_DOMAIN, NULL, NULL);
- endo_buff_addr = SYMBOL_VALUE_ADDRESS (buff_minsym);
- namelen = strlen (DEPRECATED_SYMBOL_NAME (function));
- value_return_addr = endo_buff_addr + namelen;
- ftype = check_typedef (SYMBOL_TYPE (get_sym));
-
- /* do alignment */
- if ((x = value_return_addr % 64) != 0)
- value_return_addr = value_return_addr + 64 - x;
-
- errno_return_addr = value_return_addr + 64;
-
-
- /* set up stuff needed by __d_shl_get in buffer in end.o */
-
- target_write_memory (endo_buff_addr, DEPRECATED_SYMBOL_NAME (function), namelen);
-
- target_write_memory (value_return_addr, (char *) &tmp, 4);
-
- target_write_memory (errno_return_addr, (char *) &tmp, 4);
-
- target_write_memory (SYMBOL_VALUE_ADDRESS (msymbol),
- (char *) &handle, 4);
-
- /* now prepare the arguments for the call */
-
- args[0] = value_from_longest (TYPE_FIELD_TYPE (ftype, 0), 12);
- args[1] = value_from_pointer (TYPE_FIELD_TYPE (ftype, 1), SYMBOL_VALUE_ADDRESS (msymbol));
- args[2] = value_from_pointer (TYPE_FIELD_TYPE (ftype, 2), endo_buff_addr);
- args[3] = value_from_longest (TYPE_FIELD_TYPE (ftype, 3), 3 /* TYPE_PROCEDURE */);
- args[4] = value_from_pointer (TYPE_FIELD_TYPE (ftype, 4), value_return_addr);
- args[5] = value_from_pointer (TYPE_FIELD_TYPE (ftype, 5), errno_return_addr);
-
- /* now call the function */
-
- val = call_function_by_hand (funcval, 6, args);
-
- /* now get the results */
-
- target_read_memory (errno_return_addr, (char *) &err_value, sizeof (err_value));
-
- target_read_memory (value_return_addr, (char *) &stub_addr, sizeof (stub_addr));
- if (stub_addr <= 0)
- error (_("call to __d_shl_get failed, error code is %d"), err_value);
-
- return (stub_addr);
-}
-
-/* Cover routine for find_stub_with_shl_get to pass to catch_errors */
-static int
-cover_find_stub_with_shl_get (void *args_untyped)
-{
- args_for_find_stub *args = args_untyped;
- args->return_val = find_stub_with_shl_get (args->msym, args->solib_handle);
- return 0;
-}
-
-/* Initialize exception catchpoint support by looking for the
- necessary hooks/callbacks in end.o, etc., and set the hook value
- to point to the required debug function.
-
- Return 0 => failure
- 1 => success */
-
-static int
-initialize_hp_cxx_exception_support (void)
-{
- struct symtabs_and_lines sals;
- struct cleanup *old_chain;
- struct cleanup *canonical_strings_chain = NULL;
- int i;
- char *addr_start;
- char *addr_end = NULL;
- char **canonical = (char **) NULL;
- int thread = -1;
- struct symbol *sym = NULL;
- struct minimal_symbol *msym = NULL;
- struct objfile *objfile;
- asection *shlib_info;
-
- /* Detect and disallow recursion. On HP-UX with aCC, infinite
- recursion is a possibility because finding the hook for exception
- callbacks involves making a call in the inferior, which means
- re-inserting breakpoints which can re-invoke this code. */
-
- static int recurse = 0;
- if (recurse > 0)
- {
- hp_cxx_exception_support_initialized = 0;
- deprecated_exception_support_initialized = 0;
- return 0;
- }
-
- hp_cxx_exception_support = 0;
-
- /* First check if we have seen any HP compiled objects; if not,
- it is very unlikely that HP's idiosyncratic callback mechanism
- for exception handling debug support will be available!
- This will percolate back up to breakpoint.c, where our callers
- will decide to try the g++ exception-handling support instead. */
- if (!deprecated_hp_som_som_object_present)
- return 0;
-
- /* We have a SOM executable with SOM debug info; find the hooks. */
-
- /* First look for the notify hook provided by aCC runtime libs */
- /* If we find this symbol, we conclude that the executable must
- have HP aCC exception support built in. If this symbol is not
- found, even though we're a HP SOM-SOM file, we may have been
- built with some other compiler (not aCC). This results percolates
- back up to our callers in breakpoint.c which can decide to
- try the g++ style of exception support instead.
- If this symbol is found but the other symbols we require are
- not found, there is something weird going on, and g++ support
- should *not* be tried as an alternative.
-
- ASSUMPTION: Only HP aCC code will have __eh_notify_hook defined.
- ASSUMPTION: HP aCC and g++ modules cannot be linked together. */
-
- /* libCsup has this hook; it'll usually be non-debuggable */
- msym = lookup_minimal_symbol (HP_ACC_EH_notify_hook, NULL, NULL);
- if (msym)
- {
- eh_notify_hook_addr = SYMBOL_VALUE_ADDRESS (msym);
- hp_cxx_exception_support = 1;
- }
- else
- {
- warning (_("\
-Unable to find exception callback hook (%s).\n\
-Executable may not have been compiled debuggable with HP aCC.\n\
-GDB will be unable to intercept exception events."),
- HP_ACC_EH_notify_hook);
- eh_notify_hook_addr = 0;
- hp_cxx_exception_support = 0;
- return 0;
- }
-
- /* Next look for the notify callback routine in end.o */
- /* This is always available in the SOM symbol dictionary if end.o is
- linked in. */
- msym = lookup_minimal_symbol (HP_ACC_EH_notify_callback, NULL, NULL);
- if (msym)
- {
- eh_notify_callback_addr = SYMBOL_VALUE_ADDRESS (msym);
- hp_cxx_exception_support = 1;
- }
- else
- {
- warning (_("\
-Unable to find exception callback routine (%s).\n\
-Suggest linking executable with -g (links in /opt/langtools/lib/end.o).\n\
-GDB will be unable to intercept exception events."),
- HP_ACC_EH_notify_callback);
- eh_notify_callback_addr = 0;
- return 0;
- }
-
- if (!gdbarch_tdep (current_gdbarch)->is_elf)
- {
- /* Check whether the executable is dynamically linked or archive bound */
- /* With an archive-bound executable we can use the raw addresses we find
- for the callback function, etc. without modification. For an executable
- with shared libraries, we have to do more work to find the plabel, which
- can be the target of a call through $$dyncall from the aCC runtime
- support library (libCsup) which is linked shared by default by aCC. */
- /* This test below was copied from somsolib.c/somread.c. It may not be a very
- reliable one to test that an executable is linked shared.
- pai/1997-07-18 */
- shlib_info = bfd_get_section_by_name (symfile_objfile->obfd, "$SHLIB_INFO$");
- if (shlib_info && (bfd_section_size (symfile_objfile->obfd, shlib_info) != 0))
- {
- /* The minsym we have has the local code address, but that's not
- the plabel that can be used by an inter-load-module call. */
- /* Find solib handle for main image (which has end.o), and use
- that and the min sym as arguments to __d_shl_get() (which
- does the equivalent of shl_findsym()) to find the plabel. */
-
- args_for_find_stub args;
-
- args.solib_handle = gdbarch_tdep (current_gdbarch)->solib_get_solib_by_pc (eh_notify_callback_addr);
- args.msym = msym;
- args.return_val = 0;
-
- recurse++;
- catch_errors (cover_find_stub_with_shl_get, &args,
- _("Error while finding exception callback hook:\n"),
- RETURN_MASK_ALL);
- eh_notify_callback_addr = args.return_val;
- recurse--;
-
- deprecated_exception_catchpoints_are_fragile = 1;
-
- if (!eh_notify_callback_addr)
- {
- /* We can get here either if there is no plabel in the export list
- for the main image, or if something strange happened (?) */
- warning (_("\
-Couldn't find a plabel (indirect function label) for the exception callback.\n\
-GDB will not be able to intercept exception events."));
- return 0;
- }
- }
- else
- deprecated_exception_catchpoints_are_fragile = 0;
- }
-
- /* Now, look for the breakpointable routine in end.o */
- /* This should also be available in the SOM symbol dict. if end.o linked in */
- msym = lookup_minimal_symbol (HP_ACC_EH_break, NULL, NULL);
- if (msym)
- {
- eh_break_addr = SYMBOL_VALUE_ADDRESS (msym);
- hp_cxx_exception_support = 1;
- }
- else
- {
- warning (_("\
-Unable to find exception callback routine to set breakpoint (%s).\n\
-Suggest linking executable with -g (link in /opt/langtools/lib/end.o).\n\
-GDB will be unable to intercept exception events."),
- HP_ACC_EH_break);
- eh_break_addr = 0;
- return 0;
- }
-
- /* Next look for the catch enable flag provided in end.o */
- sym = lookup_symbol (HP_ACC_EH_catch_catch, (struct block *) NULL,
- VAR_DOMAIN, 0, (struct symtab **) NULL);
- if (sym) /* sometimes present in debug info */
- {
- eh_catch_catch_addr = SYMBOL_VALUE_ADDRESS (sym);
- hp_cxx_exception_support = 1;
- }
- else
- /* otherwise look in SOM symbol dict. */
- {
- msym = lookup_minimal_symbol (HP_ACC_EH_catch_catch, NULL, NULL);
- if (msym)
- {
- eh_catch_catch_addr = SYMBOL_VALUE_ADDRESS (msym);
- hp_cxx_exception_support = 1;
- }
- else
- {
- warning (_("\
-Unable to enable interception of exception catches.\n\
-Executable may not have been compiled debuggable with HP aCC.\n\
-Suggest linking executable with -g (link in /opt/langtools/lib/end.o)."));
- return 0;
- }
- }
-
- /* Next look for the catch enable flag provided end.o */
- sym = lookup_symbol (HP_ACC_EH_catch_catch, (struct block *) NULL,
- VAR_DOMAIN, 0, (struct symtab **) NULL);
- if (sym) /* sometimes present in debug info */
- {
- eh_catch_throw_addr = SYMBOL_VALUE_ADDRESS (sym);
- hp_cxx_exception_support = 1;
- }
- else
- /* otherwise look in SOM symbol dict. */
- {
- msym = lookup_minimal_symbol (HP_ACC_EH_catch_throw, NULL, NULL);
- if (msym)
- {
- eh_catch_throw_addr = SYMBOL_VALUE_ADDRESS (msym);
- hp_cxx_exception_support = 1;
- }
- else
- {
- warning (_("\
-Unable to enable interception of exception throws.\n\
-Executable may not have been compiled debuggable with HP aCC.\n\
-Suggest linking executable with -g (link in /opt/langtools/lib/end.o)."));
- return 0;
- }
- }
-
- /* Set the flags */
- hp_cxx_exception_support = 2; /* everything worked so far */
- hp_cxx_exception_support_initialized = 1;
- deprecated_exception_support_initialized = 1;
-
- return 1;
-}
-
-/* Target operation for enabling or disabling interception of
- exception events.
- KIND is either EX_EVENT_THROW or EX_EVENT_CATCH
- ENABLE is either 0 (disable) or 1 (enable).
- Return value is NULL if no support found;
- -1 if something went wrong,
- or a pointer to a symtab/line struct if the breakpointable
- address was found. */
-
-struct symtab_and_line *
-child_enable_exception_callback (enum exception_event_kind kind, int enable)
-{
- char buf[4];
-
- if (!deprecated_exception_support_initialized
- || !hp_cxx_exception_support_initialized)
- if (!initialize_hp_cxx_exception_support ())
- return NULL;
-
- switch (hp_cxx_exception_support)
- {
- case 0:
- /* Assuming no HP support at all */
- return NULL;
- case 1:
- /* HP support should be present, but something went wrong */
- return (struct symtab_and_line *) -1; /* yuck! */
- /* there may be other cases in the future */
- }
-
- /* Set the EH hook to point to the callback routine. */
- store_unsigned_integer (buf, 4, enable ? eh_notify_callback_addr : 0); /* FIXME 32x64 problem */
- /* pai: (temp) FIXME should there be a pack operation first? */
- if (target_write_memory (eh_notify_hook_addr, buf, 4)) /* FIXME 32x64 problem */
- {
- warning (_("\
-Could not write to target memory for exception event callback.\n\
-Interception of exception events may not work."));
- return (struct symtab_and_line *) -1;
- }
- if (enable)
- {
- /* Ensure that __d_pid is set up correctly -- end.c code checks this. :-( */
- if (PIDGET (inferior_ptid) > 0)
- {
- if (setup_d_pid_in_inferior ())
- return (struct symtab_and_line *) -1;
- }
- else
- {
- warning (_("Internal error: Invalid inferior pid? Cannot intercept exception events."));
- return (struct symtab_and_line *) -1;
- }
- }
-
- switch (kind)
- {
- case EX_EVENT_THROW:
- store_unsigned_integer (buf, 4, enable ? 1 : 0);
- if (target_write_memory (eh_catch_throw_addr, buf, 4)) /* FIXME 32x64? */
- {
- warning (_("Couldn't enable exception throw interception."));
- return (struct symtab_and_line *) -1;
- }
- break;
- case EX_EVENT_CATCH:
- store_unsigned_integer (buf, 4, enable ? 1 : 0);
- if (target_write_memory (eh_catch_catch_addr, buf, 4)) /* FIXME 32x64? */
- {
- warning (_("Couldn't enable exception catch interception."));
- return (struct symtab_and_line *) -1;
- }
- break;
- default:
- error (_("Request to enable unknown or unsupported exception event."));
- }
-
- /* Copy break address into new sal struct, malloc'ing if needed. */
- if (!break_callback_sal)
- break_callback_sal = XMALLOC (struct symtab_and_line);
- init_sal (break_callback_sal);
- break_callback_sal->symtab = NULL;
- break_callback_sal->pc = eh_break_addr;
- break_callback_sal->line = 0;
- break_callback_sal->end = eh_break_addr;
-
- return break_callback_sal;
-}
-
-/* Record some information about the current exception event */
-static struct exception_event_record current_ex_event;
-
-/* Report current exception event. Returns a pointer to a record
- that describes the kind of the event, where it was thrown from,
- and where it will be caught. More information may be reported
- in the future */
-struct exception_event_record *
-child_get_current_exception_event (void)
-{
- CORE_ADDR event_kind;
- CORE_ADDR throw_addr;
- CORE_ADDR catch_addr;
- struct frame_info *fi, *curr_frame;
- int level = 1;
-
- curr_frame = get_current_frame ();
- if (!curr_frame)
- return (struct exception_event_record *) NULL;
-
- /* Go up one frame to __d_eh_notify_callback, because at the
- point when this code is executed, there's garbage in the
- arguments of __d_eh_break. */
- fi = find_relative_frame (curr_frame, &level);
- if (level != 0)
- return (struct exception_event_record *) NULL;
-
- select_frame (fi);
-
- /* Read in the arguments */
- /* __d_eh_notify_callback() is called with 3 arguments:
- 1. event kind catch or throw
- 2. the target address if known
- 3. a flag -- not sure what this is. pai/1997-07-17 */
- event_kind = read_register (HPPA_ARG0_REGNUM);
- catch_addr = read_register (HPPA_ARG1_REGNUM);
-
- /* Now go down to a user frame */
- /* For a throw, __d_eh_break is called by
- __d_eh_notify_callback which is called by
- __notify_throw which is called
- from user code.
- For a catch, __d_eh_break is called by
- __d_eh_notify_callback which is called by
- <stackwalking stuff> which is called by
- __throw__<stuff> or __rethrow_<stuff> which is called
- from user code. */
- /* FIXME: Don't use such magic numbers; search for the frames */
- level = (event_kind == EX_EVENT_THROW) ? 3 : 4;
- fi = find_relative_frame (curr_frame, &level);
- if (level != 0)
- return (struct exception_event_record *) NULL;
-
- select_frame (fi);
- throw_addr = get_frame_pc (fi);
-
- /* Go back to original (top) frame */
- select_frame (curr_frame);
-
- current_ex_event.kind = (enum exception_event_kind) event_kind;
- current_ex_event.throw_sal = find_pc_line (throw_addr, 1);
- current_ex_event.catch_sal = find_pc_line (catch_addr, 1);
-
- return &current_ex_event;
-}
/* Signal frames. */
struct hppa_hpux_sigtramp_unwind_cache
@@ -1967,15 +1403,6 @@ hppa_hpux_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
}
-static void
-hppa_hpux_inferior_created (struct target_ops *objfile, int from_tty)
-{
- /* Some HP-UX related globals to clear when a new "main"
- symbol file is loaded. HP-specific. */
- deprecated_hp_som_som_object_present = 0;
- hp_cxx_exception_support_initialized = 0;
-}
-
/* Given the current value of the pc, check to see if it is inside a stub, and
if so, change the value of the pc to point to the caller of the stub.
NEXT_FRAME is the next frame in the current list of frames.
@@ -2043,8 +1470,6 @@ hppa_hpux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
(gdbarch, hppa_hpux_regset_from_core_section);
frame_unwind_append_sniffer (gdbarch, hppa_hpux_sigtramp_unwind_sniffer);
-
- observer_attach_inferior_created (hppa_hpux_inferior_created);
}
static void
diff --git a/gdb/parse.c b/gdb/parse.c
index 2193d5a..a2f8c02 100644
--- a/gdb/parse.c
+++ b/gdb/parse.c
@@ -554,187 +554,6 @@ handle_register:
}
-/* Parse a string that is possibly a namespace / nested class
- specification, i.e., something of the form A::B::C::x. Input
- (NAME) is the entire string; LEN is the current valid length; the
- output is a string, TOKEN, which points to the largest recognized
- prefix which is a series of namespaces or classes. CLASS_PREFIX is
- another output, which records whether a nested class spec was
- recognized (= 1) or a fully qualified variable name was found (=
- 0). ARGPTR is side-effected (if non-NULL) to point to beyond the
- string recognized and consumed by this routine.
-
- The return value is a pointer to the symbol for the base class or
- variable if found, or NULL if not found. Callers must check this
- first -- if NULL, the outputs may not be correct.
-
- This function is used c-exp.y. This is used specifically to get
- around HP aCC (and possibly other compilers), which insists on
- generating names with embedded colons for namespace or nested class
- members.
-
- (Argument LEN is currently unused. 1997-08-27)
-
- Callers must free memory allocated for the output string TOKEN. */
-
-static const char coloncolon[2] =
-{':', ':'};
-
-struct symbol *
-parse_nested_classes_for_hpacc (char *name, int len, char **token,
- int *class_prefix, char **argptr)
-{
- /* Comment below comes from decode_line_1 which has very similar
- code, which is called for "break" command parsing. */
-
- /* We have what looks like a class or namespace
- scope specification (A::B), possibly with many
- levels of namespaces or classes (A::B::C::D).
-
- Some versions of the HP ANSI C++ compiler (as also possibly
- other compilers) generate class/function/member names with
- embedded double-colons if they are inside namespaces. To
- handle this, we loop a few times, considering larger and
- larger prefixes of the string as though they were single
- symbols. So, if the initially supplied string is
- A::B::C::D::foo, we have to look up "A", then "A::B",
- then "A::B::C", then "A::B::C::D", and finally
- "A::B::C::D::foo" as single, monolithic symbols, because
- A, B, C or D may be namespaces.
-
- Note that namespaces can nest only inside other
- namespaces, and not inside classes. So we need only
- consider *prefixes* of the string; there is no need to look up
- "B::C" separately as a symbol in the previous example. */
-
- char *p;
- char *start, *end;
- char *prefix = NULL;
- char *tmp;
- struct symbol *sym_class = NULL;
- struct symbol *sym_var = NULL;
- struct type *t;
- int prefix_len = 0;
- int done = 0;
- char *q;
-
- /* Check for HP-compiled executable -- in other cases
- return NULL, and caller must default to standard GDB
- behaviour. */
-
- if (!deprecated_hp_som_som_object_present)
- return (struct symbol *) NULL;
-
- p = name;
-
- /* Skip over whitespace and possible global "::" */
- while (*p && (*p == ' ' || *p == '\t'))
- p++;
- if (p[0] == ':' && p[1] == ':')
- p += 2;
- while (*p && (*p == ' ' || *p == '\t'))
- p++;
-
- while (1)
- {
- /* Get to the end of the next namespace or class spec. */
- /* If we're looking at some non-token, fail immediately */
- start = p;
- if (!(isalpha (*p) || *p == '$' || *p == '_'))
- return (struct symbol *) NULL;
- p++;
- while (*p && (isalnum (*p) || *p == '$' || *p == '_'))
- p++;
-
- if (*p == '<')
- {
- /* If we have the start of a template specification,
- scan right ahead to its end */
- q = find_template_name_end (p);
- if (q)
- p = q;
- }
-
- end = p;
-
- /* Skip over "::" and whitespace for next time around */
- while (*p && (*p == ' ' || *p == '\t'))
- p++;
- if (p[0] == ':' && p[1] == ':')
- p += 2;
- while (*p && (*p == ' ' || *p == '\t'))
- p++;
-
- /* Done with tokens? */
- if (!*p || !(isalpha (*p) || *p == '$' || *p == '_'))
- done = 1;
-
- tmp = (char *) alloca (prefix_len + end - start + 3);
- if (prefix)
- {
- memcpy (tmp, prefix, prefix_len);
- memcpy (tmp + prefix_len, coloncolon, 2);
- memcpy (tmp + prefix_len + 2, start, end - start);
- tmp[prefix_len + 2 + end - start] = '\000';
- }
- else
- {
- memcpy (tmp, start, end - start);
- tmp[end - start] = '\000';
- }
-
- prefix = tmp;
- prefix_len = strlen (prefix);
-
- /* See if the prefix we have now is something we know about */
-
- if (!done)
- {
- /* More tokens to process, so this must be a class/namespace */
- sym_class = lookup_symbol (prefix, 0, STRUCT_DOMAIN,
- 0, (struct symtab **) NULL);
- }
- else
- {
- /* No more tokens, so try as a variable first */
- sym_var = lookup_symbol (prefix, 0, VAR_DOMAIN,
- 0, (struct symtab **) NULL);
- /* If failed, try as class/namespace */
- if (!sym_var)
- sym_class = lookup_symbol (prefix, 0, STRUCT_DOMAIN,
- 0, (struct symtab **) NULL);
- }
-
- if (sym_var ||
- (sym_class &&
- (t = check_typedef (SYMBOL_TYPE (sym_class)),
- (TYPE_CODE (t) == TYPE_CODE_STRUCT
- || TYPE_CODE (t) == TYPE_CODE_UNION))))
- {
- /* We found a valid token */
- *token = (char *) xmalloc (prefix_len + 1);
- memcpy (*token, prefix, prefix_len);
- (*token)[prefix_len] = '\000';
- break;
- }
-
- /* No variable or class/namespace found, no more tokens */
- if (done)
- return (struct symbol *) NULL;
- }
-
- /* Out of loop, so we must have found a valid token */
- if (sym_var)
- *class_prefix = 0;
- else
- *class_prefix = 1;
-
- if (argptr)
- *argptr = done ? p : end;
-
- return sym_var ? sym_var : sym_class; /* found */
-}
-
char *
find_template_name_end (char *p)
{
diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index 9ba1d52..bef24e5 100644
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -138,9 +138,6 @@ extern void write_exp_msymbol (struct minimal_symbol *,
extern void write_dollar_variable (struct stoken str);
-extern struct symbol *parse_nested_classes_for_hpacc (char *, int, char **,
- int *, char **);
-
extern char *find_template_name_end (char *);
extern void start_arglist (void);
diff --git a/gdb/symtab.c b/gdb/symtab.c
index 5dbce04..c99c59a 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -118,10 +118,6 @@ struct symbol *lookup_symbol_aux_minsyms (const char *name,
struct symtab **symtab);
#endif
-/* This flag is used in hppa-tdep.c, and set in hp-symtab-read.c.
- Signals the presence of objects compiled by HP compilers. */
-int deprecated_hp_som_som_object_present = 0;
-
static void fixup_section (struct general_symbol_info *, struct objfile *);
static int file_matches (char *, char **, int);
diff --git a/gdb/symtab.h b/gdb/symtab.h
index cefb0ad..c0a83a9 100644
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -1398,9 +1398,4 @@ extern struct cleanup *make_cleanup_free_search_symbols (struct symbol_search
extern void set_main_name (const char *name);
extern /*const */ char *main_name (void);
-/* Global to indicate presence of HP-compiled objects,
- in particular, SOM executable file with SOM debug info
- Defined in symtab.c, used in hppa-tdep.c. */
-extern int deprecated_hp_som_som_object_present;
-
#endif /* !defined(SYMTAB_H) */
diff --git a/gdb/valops.c b/gdb/valops.c
index d7ecb2a..b55f45f 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -373,21 +373,6 @@ value_cast (struct type *type, struct value *arg2)
{
LONGEST longest;
- /* If target compiled by HP aCC. */
- if (deprecated_hp_som_som_object_present
- && code2 == TYPE_CODE_MEMBERPTR)
- {
- unsigned int *ptr;
- struct value *retvalp;
-
- /* With HP aCC, pointers to data members have a bias. */
- retvalp = value_from_longest (type, value_as_long (arg2));
- /* force evaluation */
- ptr = (unsigned int *) value_contents (retvalp);
- *ptr &= ~0x20000000; /* zap 29th bit to remove bias */
- return retvalp;
- }
-
/* When we cast pointers to integers, we mustn't use
POINTER_TO_ADDRESS to find the address the pointer
represents, as value_as_long would. GDB should evaluate