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* arch-utils.c (generic_skip_trampoline_code): New function.
* arch-utils.h (generic_skip_trampoline_code): Declare external.
* gdbarch.c: Regeberated from gdbarch.sh.
* gdbarch.h: Ditto.
* gdbarch.sh (SKIP_TRAMPOLINE_CODE): Multi-arch.
* infrun.c: Remove default setting of SKIP_TRAMPOLINE_CODE macro.
This commit is contained in:
Corinna Vinschen
parent
9e678452d7
commit
bdcd319a1e
@ -1,3 +1,12 @@
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2001-08-15 Corinna Vinschen <vinschen@redhat.com>
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* arch-utils.c (generic_skip_trampoline_code): New function.
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* arch-utils.h (generic_skip_trampoline_code): Declare external.
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* gdbarch.c: Regeberated from gdbarch.sh.
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* gdbarch.h: Ditto.
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* gdbarch.sh (SKIP_TRAMPOLINE_CODE): Multi-arch.
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* infrun.c: Remove default setting of SKIP_TRAMPOLINE_CODE macro.
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2001-08-14 Daniel Jacobowitz <drow@mvista.com>
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H.J. Lu (hjl@gnu.org)
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@ -99,6 +99,12 @@ generic_return_value_on_stack_not (struct type *type)
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return 0;
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}
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CORE_ADDR
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generic_skip_trampoline_code (CORE_ADDR pc)
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{
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return 0;
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}
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char *
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legacy_register_name (int i)
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{
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@ -127,4 +127,6 @@ int cannot_register_not (int regnum);
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extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
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extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc);
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#endif
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@ -249,6 +249,7 @@ struct gdbarch
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gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr;
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gdbarch_addr_bits_remove_ftype *addr_bits_remove;
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gdbarch_software_single_step_ftype *software_single_step;
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gdbarch_skip_trampoline_code_ftype *skip_trampoline_code;
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};
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@ -383,6 +384,7 @@ struct gdbarch startup_gdbarch =
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0,
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0,
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0,
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0,
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/* startup_gdbarch() */
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};
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@ -482,6 +484,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
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gdbarch->extra_stack_alignment_needed = 1;
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gdbarch->convert_from_func_ptr_addr = core_addr_identity;
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gdbarch->addr_bits_remove = core_addr_identity;
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gdbarch->skip_trampoline_code = generic_skip_trampoline_code;
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/* gdbarch_alloc() */
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return gdbarch;
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@ -777,6 +780,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
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/* Skip verify of convert_from_func_ptr_addr, invalid_p == 0 */
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/* Skip verify of addr_bits_remove, invalid_p == 0 */
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/* Skip verify of software_single_step, has predicate */
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/* Skip verify of skip_trampoline_code, invalid_p == 0 */
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}
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@ -1468,6 +1472,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
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"SOFTWARE_SINGLE_STEP(sig, insert_breakpoints_p)",
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XSTRING (SOFTWARE_SINGLE_STEP (sig, insert_breakpoints_p)));
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#endif
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#ifdef SKIP_TRAMPOLINE_CODE
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fprintf_unfiltered (file,
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"gdbarch_dump: %s # %s\n",
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"SKIP_TRAMPOLINE_CODE(pc)",
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XSTRING (SKIP_TRAMPOLINE_CODE (pc)));
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#endif
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#ifdef TARGET_ARCHITECTURE
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if (TARGET_ARCHITECTURE != NULL)
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fprintf_unfiltered (file,
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@ -2199,6 +2209,13 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
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"gdbarch_dump: SOFTWARE_SINGLE_STEP = 0x%08lx\n",
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(long) current_gdbarch->software_single_step
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/*SOFTWARE_SINGLE_STEP ()*/);
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#endif
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#ifdef SKIP_TRAMPOLINE_CODE
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if (GDB_MULTI_ARCH)
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fprintf_unfiltered (file,
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"gdbarch_dump: SKIP_TRAMPOLINE_CODE = 0x%08lx\n",
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(long) current_gdbarch->skip_trampoline_code
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/*SKIP_TRAMPOLINE_CODE ()*/);
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#endif
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if (current_gdbarch->dump_tdep != NULL)
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current_gdbarch->dump_tdep (current_gdbarch, file);
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@ -4313,6 +4330,24 @@ set_gdbarch_software_single_step (struct gdbarch *gdbarch,
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gdbarch->software_single_step = software_single_step;
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}
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CORE_ADDR
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gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, CORE_ADDR pc)
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{
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if (gdbarch->skip_trampoline_code == 0)
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internal_error (__FILE__, __LINE__,
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"gdbarch: gdbarch_skip_trampoline_code invalid");
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if (gdbarch_debug >= 2)
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fprintf_unfiltered (gdb_stdlog, "gdbarch_skip_trampoline_code called\n");
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return gdbarch->skip_trampoline_code (pc);
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}
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void
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set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch,
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gdbarch_skip_trampoline_code_ftype skip_trampoline_code)
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{
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gdbarch->skip_trampoline_code = skip_trampoline_code;
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}
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/* Keep a registry of per-architecture data-pointers required by GDB
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modules. */
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@ -1947,6 +1947,23 @@ extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_s
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#endif
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#endif
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/* Default (function) for non- multi-arch platforms. */
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#if (!GDB_MULTI_ARCH) && !defined (SKIP_TRAMPOLINE_CODE)
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#define SKIP_TRAMPOLINE_CODE(pc) (generic_skip_trampoline_code (pc))
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#endif
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typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (CORE_ADDR pc);
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extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, CORE_ADDR pc);
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extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
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#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (SKIP_TRAMPOLINE_CODE)
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#error "Non multi-arch definition of SKIP_TRAMPOLINE_CODE"
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#endif
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#if GDB_MULTI_ARCH
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#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (SKIP_TRAMPOLINE_CODE)
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#define SKIP_TRAMPOLINE_CODE(pc) (gdbarch_skip_trampoline_code (current_gdbarch, pc))
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#endif
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#endif
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extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
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@ -539,6 +539,7 @@ f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_
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# FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
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# single step. If not, then implement single step using breakpoints.
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F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
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f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
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EOF
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}
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@ -120,14 +120,6 @@ static int may_follow_exec = MAY_FOLLOW_EXEC;
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#endif
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/* Some machines have trampoline code that sits between function callers
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and the actual functions themselves. If this machine doesn't have
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such things, disable their processing. */
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#ifndef SKIP_TRAMPOLINE_CODE
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#define SKIP_TRAMPOLINE_CODE(pc) 0
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#endif
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/* Dynamic function trampolines are similar to solib trampolines in that they
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are between the caller and the callee. The difference is that when you
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enter a dynamic trampoline, you can't determine the callee's address. Some
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