mirror of
https://sourceware.org/git/binutils-gdb.git
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* infcmd.c (do_registers_info) [INVALID_FLOAT]: Only use if
defined. * values.c (unpack_double) [INVALID_FLOAT]: Ditto. * mips-tdep.c (mips_print_register): Don't test float validity. * config/a29k/tm-a29k.h, config/alpha/tm-alpha.h, config/arm/tm-arm.h, config/convex/tm-convex.h, config/h8300/tm-h8300.h, config/h8500/tm-h8500.h, config/i386/tm-i386v.h, config/i386/tm-sun386.h, config/i960/tm-i960.h, config/m68k/tm-m68k.h, config/m88k/tm-m88k.h, config/mips/tm-mips.h, config/ns32k/tm-merlin.h, config/ns32k/tm-nbsd.h, config/ns32k/tm-ns32km3.h, config/ns32k/tm-umax.h, config/pa/tm-hppa.h, config/pyr/tm-pyr.h, config/rs6000/tm-rs6000.h, config/sh/tm-sh.h, config/sparc/tm-sparc.h, config/z8k/tm-z8k.h (INVALID_FLOAT): Remove definition.
This commit is contained in:
Stan Shebs
parent
8cbe898dad
commit
ac57e5adda
@ -1,3 +1,36 @@
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Sun Sep 25 12:50:17 1994 Stan Shebs (shebs@andros.cygnus.com)
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* infcmd.c (do_registers_info) [INVALID_FLOAT]: Only use if
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defined.
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* values.c (unpack_double) [INVALID_FLOAT]: Ditto.
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* mips-tdep.c (mips_print_register): Don't test float validity.
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* config/a29k/tm-a29k.h, config/alpha/tm-alpha.h,
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config/arm/tm-arm.h, config/convex/tm-convex.h,
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config/h8300/tm-h8300.h, config/h8500/tm-h8500.h,
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config/i386/tm-i386v.h, config/i386/tm-sun386.h,
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config/i960/tm-i960.h, config/m68k/tm-m68k.h,
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config/m88k/tm-m88k.h, config/mips/tm-mips.h,
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config/ns32k/tm-merlin.h, config/ns32k/tm-nbsd.h,
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config/ns32k/tm-ns32km3.h, config/ns32k/tm-umax.h,
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config/pa/tm-hppa.h, config/pyr/tm-pyr.h,
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config/rs6000/tm-rs6000.h, config/sh/tm-sh.h,
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config/sparc/tm-sparc.h, config/z8k/tm-z8k.h (INVALID_FLOAT):
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Remove definition.
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Sun Sep 25 06:07:37 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
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* TODO: Remove item about adding general multi-threaded stuff;
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this is done.
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Remove item about specifying arbitrary locations of stack frames
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(this works on some machines).
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Remove item about debugging functions without a frame pointer
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(this works on some machines).
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Remove item about re-writing macros which handle frame chaining and
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frameless functions. They have been re-written at least once
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since that item was written.
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Remove item about gdb catching SIGINT when attached; this is done.
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Remove item about having list_command not read symbols--why bother?
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Sat Sep 24 17:40:10 1994 Stan Shebs (shebs@andros.cygnus.com)
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* TODO: Append contents of Projects file.
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@ -96,10 +96,6 @@ CORE_ADDR skip_prologue ();
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#define ABOUT_TO_RETURN(pc) \
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((read_memory_integer (pc, 4) & 0xff0000ff) == 0xc0000080)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -91,10 +91,6 @@ extern CORE_ADDR h8300_skip_prologue ();
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#define ABOUT_TO_RETURN(pc) ((read_memory_unsigned_integer (pc, 2) & ~0x3) == 0x4e74)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long registers are. */
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#define REGISTER_SIZE 4
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@ -76,10 +76,6 @@ extern CORE_ADDR h8500_skip_prologue ();
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#define ABOUT_TO_RETURN(pc) about_to_return(pc)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long registers are. */
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#define REGISTER_TYPE unsigned long
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@ -79,11 +79,6 @@ i386_skip_prologue PARAMS ((int));
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc3)
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/* Return 1 if P points to an invalid floating point value.
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LEN is the length in bytes -- not relevant on the 386. */
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#define INVALID_FLOAT(p, len) (0)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -81,11 +81,6 @@ i386_skip_prologue PARAMS ((int));
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc3)
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/* Return 1 if P points to an invalid floating point value.
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LEN is the length in bytes -- not relevant on the 386. */
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#define INVALID_FLOAT(p, len) (0)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -68,11 +68,6 @@ extern CORE_ADDR saved_pc_after_call ();
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#define ABOUT_TO_RETURN(ip) (read_memory_integer(ip,4) == 0x0a000000)
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/* Return 1 if P points to an invalid floating point value.
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LEN is the length in bytes. */
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#define INVALID_FLOAT(p, len) (0)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -91,10 +91,6 @@ extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *));
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#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 2) & ~0x3) == 0x4e74)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -96,10 +96,6 @@ extern CORE_ADDR skip_prologue ();
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 2) == 0xF800)
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/* This is taken care of in print_floating [IEEE_FLOAT]. */
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#define INVALID_FLOAT(p,len) 0
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -83,10 +83,6 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 4) == 0x3e00008)
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/* This is taken care of in print_floating [IEEE_FLOAT]. */
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#define INVALID_FLOAT(p,l) 0
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -66,10 +66,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0x12)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0
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/* Define this to say that the "svc" insn is followed by
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codes in memory saying which kind of system call it is. */
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@ -21,8 +21,11 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define START_INFERIOR_TRAPS_EXPECTED 2
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/* Most definitions from umax could be used. */
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#define INVALID_FLOAT(p, s) isa_NAN(p, s)
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#include "ns32k/tm-umax.h"
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/* Generic NetBSD definitions. */
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#include "tm-nbsd.h"
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/* Saved Pc. Get it from sigcontext if within sigtramp. */
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@ -43,8 +43,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* we can do it */
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#define ATTACH_DETACH 1
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#define INVALID_FLOAT(p, s) isa_NAN(p, s)
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/* Address of end of stack space.
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* for MACH, see <ns532/vmparam.h>
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*/
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@ -74,6 +74,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0x12)
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#if 0 /* Disable until fixed *correctly*. */
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#ifndef INVALID_FLOAT
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#ifndef NaN
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#include <nan.h>
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@ -86,6 +87,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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NaF (*(float *) p) : \
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NaD (*(double *) p))
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#endif /* INVALID_FLOAT */
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#endif
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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@ -70,10 +70,6 @@ extern CORE_ADDR sh_skip_prologue ();
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer(pc,2) == 0x000b)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long registers are. */
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#define REGISTER_TYPE long
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@ -126,10 +126,6 @@ extern CORE_ADDR sparc_pc_adjust();
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#define ABOUT_TO_RETURN(pc) \
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((read_memory_integer (pc, 4)|0x00040000) == 0x81c7e008)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -70,10 +70,6 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
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#define ABOUT_TO_RETURN(pc) about_to_return(pc)
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/* Return 1 if P points to an invalid floating point value. */
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
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/* Say how long registers are. */
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#define REGISTER_TYPE unsigned int
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@ -328,7 +328,7 @@ heuristic_proc_desc(start_pc, limit_pc, next_frame)
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CORE_ADDR start_pc, limit_pc;
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FRAME next_frame;
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{
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CORE_ADDR sp = next_frame ? next_frame->frame : read_register (SP_REGNUM);
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CORE_ADDR sp = read_next_frame_reg (next_frame, SP_REGNUM);
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CORE_ADDR cur_pc;
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int frame_size;
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int has_frame_reg = 0;
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@ -578,7 +578,7 @@ setup_arbitrary_frame (argc, argv)
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CORE_ADDR
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mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
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int nargs;
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value *args;
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value_ptr *args;
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CORE_ADDR sp;
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int struct_return;
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CORE_ADDR struct_addr;
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@ -592,8 +592,7 @@ mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
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int fake_args = 0;
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for (i = 0, m_arg = mips_args; i < nargs; i++, m_arg++) {
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extern value value_arg_coerce();
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value arg = value_arg_coerce (args[i]);
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value_ptr arg = value_arg_coerce (args[i]);
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m_arg->len = TYPE_LENGTH (VALUE_TYPE (arg));
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/* This entire mips-specific routine is because doubles must be aligned
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* on 8-byte boundaries. It still isn't quite right, because MIPS decided
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@ -861,20 +860,13 @@ mips_print_register (regnum, all)
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printf_filtered (": ");
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/* If virtual format is floating, print it that way. */
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if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT
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&& ! INVALID_FLOAT (raw_buffer, REGISTER_VIRTUAL_SIZE(regnum))) {
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if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT)
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val_print (REGISTER_VIRTUAL_TYPE (regnum), raw_buffer, 0,
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gdb_stdout, 0, 1, 0, Val_pretty_default);
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}
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/* Else print as integer in hex. */
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else
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{
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print_scalar_formatted (raw_buffer,
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REGISTER_VIRTUAL_TYPE (regnum),
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'x',
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0,
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gdb_stdout);
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}
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print_scalar_formatted (raw_buffer, REGISTER_VIRTUAL_TYPE (regnum),
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'x', 0, gdb_stdout);
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}
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/* Replacement for generic do_registers_info. */
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@ -966,6 +958,7 @@ mips_skip_prologue (pc, lenient)
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unsigned long inst;
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int offset;
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int seen_sp_adjust = 0;
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int load_immediate_bytes = 0;
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/* Skip the typical prologue instructions. These are the stack adjustment
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instruction and the instructions that save registers on the stack
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@ -987,6 +980,9 @@ mips_skip_prologue (pc, lenient)
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if ((inst & 0xffff0000) == 0x27bd0000) /* addiu $sp,$sp,offset */
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seen_sp_adjust = 1;
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else if (inst == 0x03a1e823 || /* subu $sp,$sp,$at */
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inst == 0x03a8e823) /* subu $sp,$sp,$t0 */
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seen_sp_adjust = 1;
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else if ((inst & 0xFFE00000) == 0xAFA00000 && (inst & 0x001F0000))
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continue; /* sw reg,n($sp) */
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/* reg != $zero */
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@ -1006,39 +1002,40 @@ mips_skip_prologue (pc, lenient)
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else if (inst == 0x0399e021 /* addu $gp,$gp,$t9 */
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|| inst == 0x033ce021) /* addu $gp,$t9,$gp */
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continue;
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/* The following instructions load $at or $t0 with an immediate
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value in preparation for a stack adjustment via
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subu $sp,$sp,[$at,$t0]. These instructions could also initialize
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a local variable, so we accept them only before a stack adjustment
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instruction was seen. */
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else if (!seen_sp_adjust)
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{
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if ((inst & 0xffff0000) == 0x3c010000 || /* lui $at,n */
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(inst & 0xffff0000) == 0x3c080000) /* lui $t0,n */
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{
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load_immediate_bytes += 4;
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continue;
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}
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else if ((inst & 0xffff0000) == 0x34210000 || /* ori $at,$at,n */
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(inst & 0xffff0000) == 0x35080000 || /* ori $t0,$t0,n */
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(inst & 0xffff0000) == 0x34010000 || /* ori $at,$zero,n */
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(inst & 0xffff0000) == 0x34080000) /* ori $t0,$zero,n */
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{
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load_immediate_bytes += 4;
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continue;
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}
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else
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break;
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}
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else
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break;
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break;
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}
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/* In a frameless function, we might have incorrectly
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skipped some load immediate instructions. Undo the skipping
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if the load immediate was not followed by a stack adjustment. */
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if (load_immediate_bytes && !seen_sp_adjust)
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offset -= load_immediate_bytes;
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return pc + offset;
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/* FIXME schauer. The following code seems no longer necessary if we
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always skip the typical prologue instructions. */
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#if 0
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if (seen_sp_adjust)
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return pc + offset;
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/* Well, it looks like a frameless. Let's make sure.
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Note that we are not called on the current PC,
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but on the function`s start PC, and I have definitely
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seen optimized code that adjusts the SP quite later */
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b = block_for_pc(pc);
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if (!b) return pc;
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f = lookup_symbol(MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, 0, NULL);
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if (!f) return pc;
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/* Ideally, I would like to use the adjusted info
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from mips_frame_info(), but for all practical
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purposes it will not matter (and it would require
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a different definition of SKIP_PROLOGUE())
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Actually, it would not hurt to skip the storing
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of arguments on the stack as well. */
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if (((mips_extra_func_info_t)SYMBOL_VALUE(f))->pdr.frameoffset)
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return pc + 4;
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return pc;
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#endif
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}
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#if 0
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@ -675,11 +675,13 @@ unpack_double (type, valaddr, invp)
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*invp = 0; /* Assume valid. */
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if (code == TYPE_CODE_FLT)
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{
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#ifdef INVALID_FLOAT
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if (INVALID_FLOAT (valaddr, len))
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{
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*invp = 1;
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return 1.234567891011121314;
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}
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#endif
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return extract_floating (valaddr, len);
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}
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else if (nosign)
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