2002-04-21 David S. Miller <davem@redhat.com>
* arch-utils.c (generic_prologue_frameless_p): Kill SKIP_PROLOGUE_FRAMELESS_P code. * config/arc/tm-arc.h (SKIP_PROLOGUE_FRAMELESS_P): Delete references. (PROLOGUE_FRAMELESS_P, arc_prologue_frameless_p): New. * arc-tdep.c (arc_prologue_frameless_p): Implement. * config/arc/tm-sparc.h (SKIP_PROLOGUE_FRAMELESS_P): Delete references. (PROLOGUE_FRAMELESS_P, sparc_prologue_frameless_p): New. * sparc-tdep.c (sparc_prologue_frameless_p): Implement. (sparc_gdbarch_init): Pass it to set_gdbarch_prologue_frameless_p.
This commit is contained in:
David S. Miller
parent
eaa7db9139
commit
9319a2feca
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@ -1,3 +1,18 @@
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2002-04-21 David S. Miller <davem@redhat.com>
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* arch-utils.c (generic_prologue_frameless_p): Kill
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SKIP_PROLOGUE_FRAMELESS_P code.
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* config/arc/tm-arc.h (SKIP_PROLOGUE_FRAMELESS_P): Delete
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references.
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(PROLOGUE_FRAMELESS_P, arc_prologue_frameless_p): New.
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* arc-tdep.c (arc_prologue_frameless_p): Implement.
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* config/arc/tm-sparc.h (SKIP_PROLOGUE_FRAMELESS_P): Delete
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references.
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(PROLOGUE_FRAMELESS_P, sparc_prologue_frameless_p): New.
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* sparc-tdep.c (sparc_prologue_frameless_p): Implement.
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(sparc_gdbarch_init): Pass it to
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set_gdbarch_prologue_frameless_p.
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2002-04-21 Jason Thorpe <thorpej@wasabisystems.com>
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* Makefile.in (ALLDEPFILES): Add alphabsd-nat.c.
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@ -296,6 +296,14 @@ arc_skip_prologue (CORE_ADDR pc, int frameless_p)
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return codestream_tell ();
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}
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/* Is the prologue at PC frameless? */
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int
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arc_prologue_frameless_p (CORE_ADDR pc)
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{
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return (pc == arc_skip_prologue (pc, 1);
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}
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/* Return the return address for a frame.
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This is used to implement FRAME_SAVED_PC.
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This is taken from frameless_look_for_prologue. */
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@ -154,11 +154,7 @@ generic_remote_translate_xfer_address (CORE_ADDR gdb_addr, int gdb_len,
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int
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generic_prologue_frameless_p (CORE_ADDR ip)
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{
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#ifdef SKIP_PROLOGUE_FRAMELESS_P
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return ip == SKIP_PROLOGUE_FRAMELESS_P (ip);
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#else
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return ip == SKIP_PROLOGUE (ip);
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#endif
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}
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/* New/multi-arched targets should use the correct gdbarch field
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@ -29,15 +29,14 @@
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#define FUNCTION_START_OFFSET 0
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/* Advance PC across any function entry prologue instructions
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to reach some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances
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the PC past some of the prologue, but stops as soon as it
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knows that the function has a frame. Its result is equal
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to its input PC if the function is frameless, unequal otherwise. */
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to reach some "real" code. */
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#define SKIP_PROLOGUE(pc) (arc_skip_prologue (pc, 0))
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#define SKIP_PROLOGUE_FRAMELESS_P(pc) (arc_skip_prologue (pc, 1))
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extern CORE_ADDR arc_skip_prologue (CORE_ADDR, int);
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#define PROLOGUE_FRAMELESS_P(pc) arc_prologue_frameless_p(pc)
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extern int arc_prologue_frameless_p (CORE_ADDR);
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/* Sequence of bytes for breakpoint instruction.
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??? The current value is "sr -1,[-1]" and is for the simulator only.
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The simulator watches for this and does the right thing.
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@ -248,10 +248,7 @@ extern int sparc_intreg_size (void);
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#define BELIEVE_PCC_PROMOTION 1
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/* Advance PC across any function entry prologue instructions
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to reach some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances
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the PC past some of the prologue, but stops as soon as it
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knows that the function has a frame. Its result is equal
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to its input PC if the function is frameless, unequal otherwise. */
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to reach some "real" code. */
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#define SKIP_PROLOGUE(PC) sparc_skip_prologue (PC, 0)
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@ -312,6 +309,10 @@ extern CORE_ADDR sparc32_stack_align (CORE_ADDR addr);
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sparc_reg_struct_has_addr (GCC_P, TYPE)
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extern int sparc_reg_struct_has_addr (int, struct type *);
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/* Is the prologue at PC frameless? */
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#define PROLOGUE_FRAMELESS_P(PC) sparc_prologue_frameless_p (PC)
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extern int sparc_prologue_frameless_p (CORE_ADDR);
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#endif /* GDB_MULTI_ARCH */
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#if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0)
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@ -333,15 +334,6 @@ extern int sparc_y_regnum (void);
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#define PC_ADJUST(PC) sparc_pc_adjust (PC)
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extern CORE_ADDR sparc_pc_adjust (CORE_ADDR);
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/* Advance PC across any function entry prologue instructions to reach
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some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances the PC past
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some of the prologue, but stops as soon as it knows that the
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function has a frame. Its result is equal to its input PC if the
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function is frameless, unequal otherwise. */
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#define SKIP_PROLOGUE_FRAMELESS_P(PC) sparc_skip_prologue (PC, 1)
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extern CORE_ADDR sparc_skip_prologue (CORE_ADDR, int);
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/* If an argument is declared "register", Sun cc will keep it in a register,
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never saving it onto the stack. So we better not believe the "p" symbol
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descriptor stab. */
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@ -691,6 +691,14 @@ sparc_skip_prologue (CORE_ADDR start_pc, int frameless_p)
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return examine_prologue (start_pc, frameless_p, NULL, NULL);
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}
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/* Is the prologue at IP frameless? */
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int
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sparc_prologue_frameless_p (CORE_ADDR ip)
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{
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return ip == sparc_skip_prologue (ip, 1);
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}
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/* Check instruction at ADDR to see if it is a branch.
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All non-annulled instructions will go to NPC or will trap.
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Set *TARGET if we find a candidate branch; set to zero if not.
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@ -2777,10 +2785,7 @@ sparc64_register_byte (int regno)
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}
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/* Advance PC across any function entry prologue instructions to reach
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some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances the PC past
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some of the prologue, but stops as soon as it knows that the
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function has a frame. Its result is equal to its input PC if the
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function is frameless, unequal otherwise. */
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some "real" code. */
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static CORE_ADDR
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sparc_gdbarch_skip_prologue (CORE_ADDR ip)
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@ -2986,6 +2991,7 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
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set_gdbarch_reg_struct_has_addr (gdbarch, sparc_reg_struct_has_addr);
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set_gdbarch_return_value_on_stack (gdbarch, sparc_return_value_on_stack);
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set_gdbarch_saved_pc_after_call (gdbarch, sparc_saved_pc_after_call);
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set_gdbarch_prologue_frameless_p (gdbarch, sparc_prologue_frameless_p);
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set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
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set_gdbarch_skip_prologue (gdbarch, sparc_gdbarch_skip_prologue);
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set_gdbarch_sp_regnum (gdbarch, SPARC_SP_REGNUM);
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