diff options
author | Andrew Cagney <cagney@redhat.com> | 2002-12-16 20:39:23 +0000 |
---|---|---|
committer | Andrew Cagney <cagney@redhat.com> | 2002-12-16 20:39:23 +0000 |
commit | 1a14e23479eb187b1837310243d1a3ffe7b95e0c (patch) | |
tree | abd21a673167499137de7ee3a335eca5b159f120 /gdb/arc-tdep.c | |
parent | da81390ba627de5fee7615d00f2116253c65a5a4 (diff) | |
download | binutils-gdb-1a14e23479eb187b1837310243d1a3ffe7b95e0c.tar.gz |
2002-12-16 Andrew Cagney <ac131313@redhat.com>
* config/arc/arc.mt, config/arc/tm-arc.h: Delete.
* config/d30v/d30v.mt, config/d30v/tm-d30v.h: Delete.
* config/fr30/fr30.mt, config/fr30/tm-fr30.h: Delete.
* config/i386/i386aix.mh, config/i386/i386aix.mt: Delete.
* config/i386/i386m3.mh, config/i386/i386m3.mt: Delete.
* config/i386/i386mach.mh, config/i386/i386os9k.mt: Delete.
* config/i386/nm-i386aix.h, config/i386/nm-i386mach.h: Delete.
* config/i386/nm-m3.h, config/i386/tm-i386aix.h: Delete.
* config/i386/tm-i386m3.h, config/i386/tm-i386mk.h: Delete.
* config/i386/xm-i386aix.h, config/i386/xm-i386m3.h: Delete.
* config/i386/xm-i386mach.h, config/i386/xm-i386mk.h: Delete.
* config/i960/mon960.mt, config/i960/nindy960.mt: Delete.
* config/i960/tm-i960.h, config/i960/tm-mon960.h: Delete.
* config/i960/tm-nindy960.h, config/i960/tm-vx960.h: Delete.
* config/i960/vxworks960.mt, config/m68k/apollo68b.mh: Delete.
* config/m68k/apollo68b.mt, config/m68k/apollo68v.mh: Delete.
* config/m68k/hp300bsd.mh, config/m68k/hp300bsd.mt: Delete.
* config/m68k/hp300hpux.mh, config/m68k/hp300hpux.mt: Delete.
* config/m88k/delta88.mh, config/m88k/delta88.mt: Delete.
* config/m88k/delta88v4.mh, config/m88k/delta88v4.mt: Delete.
* config/m88k/m88k.mh, config/m88k/m88k.mt: Delete.
* config/m88k/nm-delta88v4.h, config/m88k/nm-m88k.h: Delete.
* config/m88k/tm-delta88.h, config/m88k/tm-delta88v4.h: Delete.
* config/m88k/tm-m88k.h, config/m88k/xm-delta88.h: Delete.
* config/m88k/xm-dgux.h: Delete.
* fr30-tdep.c, i386aix-nat.c, i386m3-nat.c: Delete.
* i386mach-nat.c, i960-tdep.c, m88k-nat.c: Delete.
* os9kread.c, remote-bug.c, remote-nindy.c: Delete.
* remote-nrom.c, remote-os9k.c, remote-vx960.c: Delete.
* d30v-tdep.c, arc-tdep.c, cxux-nat.c, dst.h, dstread.c: Delete.
* ch-exp.c, ch-lang.c, ch-lang.h, ch-typeprint.c: Delete.
* ch-valprint.c: Delete.
Diffstat (limited to 'gdb/arc-tdep.c')
-rw-r--r-- | gdb/arc-tdep.c | 738 |
1 files changed, 0 insertions, 738 deletions
diff --git a/gdb/arc-tdep.c b/gdb/arc-tdep.c deleted file mode 100644 index 5c44915237e..00000000000 --- a/gdb/arc-tdep.c +++ /dev/null @@ -1,738 +0,0 @@ -// OBSOLETE /* ARC target-dependent stuff. -// OBSOLETE Copyright 1995, 1996, 1999, 2000, 2001 Free Software Foundation, Inc. -// OBSOLETE -// OBSOLETE This file is part of GDB. -// OBSOLETE -// OBSOLETE This program is free software; you can redistribute it and/or modify -// OBSOLETE it under the terms of the GNU General Public License as published by -// OBSOLETE the Free Software Foundation; either version 2 of the License, or -// OBSOLETE (at your option) any later version. -// OBSOLETE -// OBSOLETE This program is distributed in the hope that it will be useful, -// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of -// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// OBSOLETE GNU General Public License for more details. -// OBSOLETE -// OBSOLETE You should have received a copy of the GNU General Public License -// OBSOLETE along with this program; if not, write to the Free Software -// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, -// OBSOLETE Boston, MA 02111-1307, USA. */ -// OBSOLETE -// OBSOLETE #include "defs.h" -// OBSOLETE #include "frame.h" -// OBSOLETE #include "inferior.h" -// OBSOLETE #include "gdbcore.h" -// OBSOLETE #include "target.h" -// OBSOLETE #include "floatformat.h" -// OBSOLETE #include "symtab.h" -// OBSOLETE #include "gdbcmd.h" -// OBSOLETE #include "regcache.h" -// OBSOLETE #include "gdb_string.h" -// OBSOLETE -// OBSOLETE /* Local functions */ -// OBSOLETE -// OBSOLETE static int arc_set_cpu_type (char *str); -// OBSOLETE -// OBSOLETE /* Current CPU, set with the "set cpu" command. */ -// OBSOLETE static int arc_bfd_mach_type; -// OBSOLETE char *arc_cpu_type; -// OBSOLETE char *tmp_arc_cpu_type; -// OBSOLETE -// OBSOLETE /* Table of cpu names. */ -// OBSOLETE struct -// OBSOLETE { -// OBSOLETE char *name; -// OBSOLETE int value; -// OBSOLETE } -// OBSOLETE arc_cpu_type_table[] = -// OBSOLETE { -// OBSOLETE { "arc5", bfd_mach_arc_5 }, -// OBSOLETE { "arc6", bfd_mach_arc_6 }, -// OBSOLETE { "arc7", bfd_mach_arc_7 }, -// OBSOLETE { "arc8", bfd_mach_arc_8 }, -// OBSOLETE { NULL, 0 } -// OBSOLETE }; -// OBSOLETE -// OBSOLETE /* Used by simulator. */ -// OBSOLETE int display_pipeline_p; -// OBSOLETE int cpu_timer; -// OBSOLETE /* This one must have the same type as used in the emulator. -// OBSOLETE It's currently an enum so this should be ok for now. */ -// OBSOLETE int debug_pipeline_p; -// OBSOLETE -// OBSOLETE #define ARC_CALL_SAVED_REG(r) ((r) >= 16 && (r) < 24) -// OBSOLETE -// OBSOLETE #define OPMASK 0xf8000000 -// OBSOLETE -// OBSOLETE /* Instruction field accessor macros. -// OBSOLETE See the Programmer's Reference Manual. */ -// OBSOLETE #define X_OP(i) (((i) >> 27) & 0x1f) -// OBSOLETE #define X_A(i) (((i) >> 21) & 0x3f) -// OBSOLETE #define X_B(i) (((i) >> 15) & 0x3f) -// OBSOLETE #define X_C(i) (((i) >> 9) & 0x3f) -// OBSOLETE #define X_D(i) ((((i) & 0x1ff) ^ 0x100) - 0x100) -// OBSOLETE #define X_L(i) (((((i) >> 5) & 0x3ffffc) ^ 0x200000) - 0x200000) -// OBSOLETE #define X_N(i) (((i) >> 5) & 3) -// OBSOLETE #define X_Q(i) ((i) & 0x1f) -// OBSOLETE -// OBSOLETE /* Return non-zero if X is a short immediate data indicator. */ -// OBSOLETE #define SHIMM_P(x) ((x) == 61 || (x) == 63) -// OBSOLETE -// OBSOLETE /* Return non-zero if X is a "long" (32 bit) immediate data indicator. */ -// OBSOLETE #define LIMM_P(x) ((x) == 62) -// OBSOLETE -// OBSOLETE /* Build a simple instruction. */ -// OBSOLETE #define BUILD_INSN(op, a, b, c, d) \ -// OBSOLETE ((((op) & 31) << 27) \ -// OBSOLETE | (((a) & 63) << 21) \ -// OBSOLETE | (((b) & 63) << 15) \ -// OBSOLETE | (((c) & 63) << 9) \ -// OBSOLETE | ((d) & 511)) -// OBSOLETE -// OBSOLETE /* Codestream stuff. */ -// OBSOLETE static void codestream_read (unsigned int *, int); -// OBSOLETE static void codestream_seek (CORE_ADDR); -// OBSOLETE static unsigned int codestream_fill (int); -// OBSOLETE -// OBSOLETE #define CODESTREAM_BUFSIZ 16 -// OBSOLETE static CORE_ADDR codestream_next_addr; -// OBSOLETE static CORE_ADDR codestream_addr; -// OBSOLETE /* FIXME assumes sizeof (int) == 32? */ -// OBSOLETE static unsigned int codestream_buf[CODESTREAM_BUFSIZ]; -// OBSOLETE static int codestream_off; -// OBSOLETE static int codestream_cnt; -// OBSOLETE -// OBSOLETE #define codestream_tell() \ -// OBSOLETE (codestream_addr + codestream_off * sizeof (codestream_buf[0])) -// OBSOLETE #define codestream_peek() \ -// OBSOLETE (codestream_cnt == 0 \ -// OBSOLETE ? codestream_fill (1) \ -// OBSOLETE : codestream_buf[codestream_off]) -// OBSOLETE #define codestream_get() \ -// OBSOLETE (codestream_cnt-- == 0 \ -// OBSOLETE ? codestream_fill (0) \ -// OBSOLETE : codestream_buf[codestream_off++]) -// OBSOLETE -// OBSOLETE static unsigned int -// OBSOLETE codestream_fill (int peek_flag) -// OBSOLETE { -// OBSOLETE codestream_addr = codestream_next_addr; -// OBSOLETE codestream_next_addr += CODESTREAM_BUFSIZ * sizeof (codestream_buf[0]); -// OBSOLETE codestream_off = 0; -// OBSOLETE codestream_cnt = CODESTREAM_BUFSIZ; -// OBSOLETE read_memory (codestream_addr, (char *) codestream_buf, -// OBSOLETE CODESTREAM_BUFSIZ * sizeof (codestream_buf[0])); -// OBSOLETE /* FIXME: check return code? */ -// OBSOLETE -// OBSOLETE -// OBSOLETE /* Handle byte order differences -> convert to host byte ordering. */ -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE for (i = 0; i < CODESTREAM_BUFSIZ; i++) -// OBSOLETE codestream_buf[i] = -// OBSOLETE extract_unsigned_integer (&codestream_buf[i], -// OBSOLETE sizeof (codestream_buf[i])); -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (peek_flag) -// OBSOLETE return codestream_peek (); -// OBSOLETE else -// OBSOLETE return codestream_get (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE codestream_seek (CORE_ADDR place) -// OBSOLETE { -// OBSOLETE codestream_next_addr = place / CODESTREAM_BUFSIZ; -// OBSOLETE codestream_next_addr *= CODESTREAM_BUFSIZ; -// OBSOLETE codestream_cnt = 0; -// OBSOLETE codestream_fill (1); -// OBSOLETE while (codestream_tell () != place) -// OBSOLETE codestream_get (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* This function is currently unused but leave in for now. */ -// OBSOLETE -// OBSOLETE static void -// OBSOLETE codestream_read (unsigned int *buf, int count) -// OBSOLETE { -// OBSOLETE unsigned int *p; -// OBSOLETE int i; -// OBSOLETE p = buf; -// OBSOLETE for (i = 0; i < count; i++) -// OBSOLETE *p++ = codestream_get (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Set up prologue scanning and return the first insn. */ -// OBSOLETE -// OBSOLETE static unsigned int -// OBSOLETE setup_prologue_scan (CORE_ADDR pc) -// OBSOLETE { -// OBSOLETE unsigned int insn; -// OBSOLETE -// OBSOLETE codestream_seek (pc); -// OBSOLETE insn = codestream_get (); -// OBSOLETE -// OBSOLETE return insn; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* -// OBSOLETE * Find & return amount a local space allocated, and advance codestream to -// OBSOLETE * first register push (if any). -// OBSOLETE * If entry sequence doesn't make sense, return -1, and leave -// OBSOLETE * codestream pointer random. -// OBSOLETE */ -// OBSOLETE -// OBSOLETE static long -// OBSOLETE arc_get_frame_setup (CORE_ADDR pc) -// OBSOLETE { -// OBSOLETE unsigned int insn; -// OBSOLETE /* Size of frame or -1 if unrecognizable prologue. */ -// OBSOLETE int frame_size = -1; -// OBSOLETE /* An initial "sub sp,sp,N" may or may not be for a stdarg fn. */ -// OBSOLETE int maybe_stdarg_decr = -1; -// OBSOLETE -// OBSOLETE insn = setup_prologue_scan (pc); -// OBSOLETE -// OBSOLETE /* The authority for what appears here is the home-grown ABI. -// OBSOLETE The most recent version is 1.2. */ -// OBSOLETE -// OBSOLETE /* First insn may be "sub sp,sp,N" if stdarg fn. */ -// OBSOLETE if ((insn & BUILD_INSN (-1, -1, -1, -1, 0)) -// OBSOLETE == BUILD_INSN (10, SP_REGNUM, SP_REGNUM, SHIMM_REGNUM, 0)) -// OBSOLETE { -// OBSOLETE maybe_stdarg_decr = X_D (insn); -// OBSOLETE insn = codestream_get (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE if ((insn & BUILD_INSN (-1, 0, -1, -1, -1)) /* st blink,[sp,4] */ -// OBSOLETE == BUILD_INSN (2, 0, SP_REGNUM, BLINK_REGNUM, 4)) -// OBSOLETE { -// OBSOLETE insn = codestream_get (); -// OBSOLETE /* Frame may not be necessary, even though blink is saved. -// OBSOLETE At least this is something we recognize. */ -// OBSOLETE frame_size = 0; -// OBSOLETE } -// OBSOLETE -// OBSOLETE if ((insn & BUILD_INSN (-1, 0, -1, -1, -1)) /* st fp,[sp] */ -// OBSOLETE == BUILD_INSN (2, 0, SP_REGNUM, FP_REGNUM, 0)) -// OBSOLETE { -// OBSOLETE insn = codestream_get (); -// OBSOLETE if ((insn & BUILD_INSN (-1, -1, -1, -1, 0)) -// OBSOLETE != BUILD_INSN (12, FP_REGNUM, SP_REGNUM, SP_REGNUM, 0)) -// OBSOLETE return -1; -// OBSOLETE -// OBSOLETE /* Check for stack adjustment sub sp,sp,N. */ -// OBSOLETE insn = codestream_peek (); -// OBSOLETE if ((insn & BUILD_INSN (-1, -1, -1, 0, 0)) -// OBSOLETE == BUILD_INSN (10, SP_REGNUM, SP_REGNUM, 0, 0)) -// OBSOLETE { -// OBSOLETE if (LIMM_P (X_C (insn))) -// OBSOLETE frame_size = codestream_get (); -// OBSOLETE else if (SHIMM_P (X_C (insn))) -// OBSOLETE frame_size = X_D (insn); -// OBSOLETE else -// OBSOLETE return -1; -// OBSOLETE if (frame_size < 0) -// OBSOLETE return -1; -// OBSOLETE -// OBSOLETE codestream_get (); -// OBSOLETE -// OBSOLETE /* This sequence is used to get the address of the return -// OBSOLETE buffer for a function that returns a structure. */ -// OBSOLETE insn = codestream_peek (); -// OBSOLETE if ((insn & OPMASK) == 0x60000000) -// OBSOLETE codestream_get (); -// OBSOLETE } -// OBSOLETE /* Frameless fn. */ -// OBSOLETE else -// OBSOLETE { -// OBSOLETE frame_size = 0; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* If we found a "sub sp,sp,N" and nothing else, it may or may not be a -// OBSOLETE stdarg fn. The stdarg decrement is not treated as part of the frame size, -// OBSOLETE so we have a dilemma: what do we return? For now, if we get a -// OBSOLETE "sub sp,sp,N" and nothing else assume this isn't a stdarg fn. One way -// OBSOLETE to fix this completely would be to add a bit to the function descriptor -// OBSOLETE that says the function is a stdarg function. */ -// OBSOLETE -// OBSOLETE if (frame_size < 0 && maybe_stdarg_decr > 0) -// OBSOLETE return maybe_stdarg_decr; -// OBSOLETE return frame_size; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Given a pc value, skip it forward past the function prologue by -// OBSOLETE disassembling instructions that appear to be a prologue. -// OBSOLETE -// OBSOLETE If FRAMELESS_P is set, we are only testing to see if the function -// OBSOLETE is frameless. If it is a frameless function, return PC unchanged. -// OBSOLETE This allows a quicker answer. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE arc_skip_prologue (CORE_ADDR pc, int frameless_p) -// OBSOLETE { -// OBSOLETE unsigned int insn; -// OBSOLETE int i, frame_size; -// OBSOLETE -// OBSOLETE if ((frame_size = arc_get_frame_setup (pc)) < 0) -// OBSOLETE return (pc); -// OBSOLETE -// OBSOLETE if (frameless_p) -// OBSOLETE return frame_size == 0 ? pc : codestream_tell (); -// OBSOLETE -// OBSOLETE /* Skip over register saves. */ -// OBSOLETE for (i = 0; i < 8; i++) -// OBSOLETE { -// OBSOLETE insn = codestream_peek (); -// OBSOLETE if ((insn & BUILD_INSN (-1, 0, -1, 0, 0)) -// OBSOLETE != BUILD_INSN (2, 0, SP_REGNUM, 0, 0)) -// OBSOLETE break; /* not st insn */ -// OBSOLETE if (!ARC_CALL_SAVED_REG (X_C (insn))) -// OBSOLETE break; -// OBSOLETE codestream_get (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE return codestream_tell (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Is the prologue at PC frameless? */ -// OBSOLETE -// OBSOLETE int -// OBSOLETE arc_prologue_frameless_p (CORE_ADDR pc) -// OBSOLETE { -// OBSOLETE return (pc == arc_skip_prologue (pc, 1)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Return the return address for a frame. -// OBSOLETE This is used to implement FRAME_SAVED_PC. -// OBSOLETE This is taken from frameless_look_for_prologue. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE arc_frame_saved_pc (struct frame_info *frame) -// OBSOLETE { -// OBSOLETE CORE_ADDR func_start; -// OBSOLETE unsigned int insn; -// OBSOLETE -// OBSOLETE func_start = get_pc_function_start (frame->pc) + FUNCTION_START_OFFSET; -// OBSOLETE if (func_start == 0) -// OBSOLETE { -// OBSOLETE /* Best guess. */ -// OBSOLETE return ARC_PC_TO_REAL_ADDRESS (read_memory_integer (FRAME_FP (frame) + 4, 4)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* The authority for what appears here is the home-grown ABI. -// OBSOLETE The most recent version is 1.2. */ -// OBSOLETE -// OBSOLETE insn = setup_prologue_scan (func_start); -// OBSOLETE -// OBSOLETE /* First insn may be "sub sp,sp,N" if stdarg fn. */ -// OBSOLETE if ((insn & BUILD_INSN (-1, -1, -1, -1, 0)) -// OBSOLETE == BUILD_INSN (10, SP_REGNUM, SP_REGNUM, SHIMM_REGNUM, 0)) -// OBSOLETE insn = codestream_get (); -// OBSOLETE -// OBSOLETE /* If the next insn is "st blink,[sp,4]" we can get blink from there. -// OBSOLETE Otherwise this is a leaf function and we can use blink. Note that -// OBSOLETE this still allows for the case where a leaf function saves/clobbers/ -// OBSOLETE restores blink. */ -// OBSOLETE -// OBSOLETE if ((insn & BUILD_INSN (-1, 0, -1, -1, -1)) /* st blink,[sp,4] */ -// OBSOLETE != BUILD_INSN (2, 0, SP_REGNUM, BLINK_REGNUM, 4)) -// OBSOLETE return ARC_PC_TO_REAL_ADDRESS (read_register (BLINK_REGNUM)); -// OBSOLETE else -// OBSOLETE return ARC_PC_TO_REAL_ADDRESS (read_memory_integer (FRAME_FP (frame) + 4, 4)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* -// OBSOLETE * Parse the first few instructions of the function to see -// OBSOLETE * what registers were stored. -// OBSOLETE * -// OBSOLETE * The startup sequence can be at the start of the function. -// OBSOLETE * 'st blink,[sp+4], st fp,[sp], mov fp,sp' -// OBSOLETE * -// OBSOLETE * Local space is allocated just below by sub sp,sp,nnn. -// OBSOLETE * Next, the registers used by this function are stored (as offsets from sp). -// OBSOLETE */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp) -// OBSOLETE { -// OBSOLETE long locals; -// OBSOLETE unsigned int insn; -// OBSOLETE CORE_ADDR dummy_bottom; -// OBSOLETE CORE_ADDR adr; -// OBSOLETE int i, regnum, offset; -// OBSOLETE -// OBSOLETE memset (fsrp, 0, sizeof *fsrp); -// OBSOLETE -// OBSOLETE /* If frame is the end of a dummy, compute where the beginning would be. */ -// OBSOLETE dummy_bottom = fip->frame - 4 - REGISTER_BYTES - CALL_DUMMY_LENGTH; -// OBSOLETE -// OBSOLETE /* Check if the PC is in the stack, in a dummy frame. */ -// OBSOLETE if (dummy_bottom <= fip->pc && fip->pc <= fip->frame) -// OBSOLETE { -// OBSOLETE /* all regs were saved by push_call_dummy () */ -// OBSOLETE adr = fip->frame; -// OBSOLETE for (i = 0; i < NUM_REGS; i++) -// OBSOLETE { -// OBSOLETE adr -= REGISTER_RAW_SIZE (i); -// OBSOLETE fsrp->regs[i] = adr; -// OBSOLETE } -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE locals = arc_get_frame_setup (get_pc_function_start (fip->pc)); -// OBSOLETE -// OBSOLETE if (locals >= 0) -// OBSOLETE { -// OBSOLETE /* Set `adr' to the value of `sp'. */ -// OBSOLETE adr = fip->frame - locals; -// OBSOLETE for (i = 0; i < 8; i++) -// OBSOLETE { -// OBSOLETE insn = codestream_get (); -// OBSOLETE if ((insn & BUILD_INSN (-1, 0, -1, 0, 0)) -// OBSOLETE != BUILD_INSN (2, 0, SP_REGNUM, 0, 0)) -// OBSOLETE break; -// OBSOLETE regnum = X_C (insn); -// OBSOLETE offset = X_D (insn); -// OBSOLETE fsrp->regs[regnum] = adr + offset; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE fsrp->regs[PC_REGNUM] = fip->frame + 4; -// OBSOLETE fsrp->regs[FP_REGNUM] = fip->frame; -// OBSOLETE } -// OBSOLETE -// OBSOLETE void -// OBSOLETE arc_push_dummy_frame (void) -// OBSOLETE { -// OBSOLETE CORE_ADDR sp = read_register (SP_REGNUM); -// OBSOLETE int regnum; -// OBSOLETE char regbuf[MAX_REGISTER_RAW_SIZE]; -// OBSOLETE -// OBSOLETE read_register_gen (PC_REGNUM, regbuf); -// OBSOLETE write_memory (sp + 4, regbuf, REGISTER_SIZE); -// OBSOLETE read_register_gen (FP_REGNUM, regbuf); -// OBSOLETE write_memory (sp, regbuf, REGISTER_SIZE); -// OBSOLETE write_register (FP_REGNUM, sp); -// OBSOLETE for (regnum = 0; regnum < NUM_REGS; regnum++) -// OBSOLETE { -// OBSOLETE read_register_gen (regnum, regbuf); -// OBSOLETE sp = push_bytes (sp, regbuf, REGISTER_RAW_SIZE (regnum)); -// OBSOLETE } -// OBSOLETE sp += (2 * REGISTER_SIZE); -// OBSOLETE write_register (SP_REGNUM, sp); -// OBSOLETE } -// OBSOLETE -// OBSOLETE void -// OBSOLETE arc_pop_frame (void) -// OBSOLETE { -// OBSOLETE struct frame_info *frame = get_current_frame (); -// OBSOLETE CORE_ADDR fp; -// OBSOLETE int regnum; -// OBSOLETE struct frame_saved_regs fsr; -// OBSOLETE char regbuf[MAX_REGISTER_RAW_SIZE]; -// OBSOLETE -// OBSOLETE fp = FRAME_FP (frame); -// OBSOLETE get_frame_saved_regs (frame, &fsr); -// OBSOLETE for (regnum = 0; regnum < NUM_REGS; regnum++) -// OBSOLETE { -// OBSOLETE CORE_ADDR adr; -// OBSOLETE adr = fsr.regs[regnum]; -// OBSOLETE if (adr) -// OBSOLETE { -// OBSOLETE read_memory (adr, regbuf, REGISTER_RAW_SIZE (regnum)); -// OBSOLETE write_register_bytes (REGISTER_BYTE (regnum), regbuf, -// OBSOLETE REGISTER_RAW_SIZE (regnum)); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE write_register (FP_REGNUM, read_memory_integer (fp, 4)); -// OBSOLETE write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); -// OBSOLETE write_register (SP_REGNUM, fp + 8); -// OBSOLETE flush_cached_frames (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Simulate single-step. */ -// OBSOLETE -// OBSOLETE typedef enum -// OBSOLETE { -// OBSOLETE NORMAL4, /* a normal 4 byte insn */ -// OBSOLETE NORMAL8, /* a normal 8 byte insn */ -// OBSOLETE BRANCH4, /* a 4 byte branch insn, including ones without delay slots */ -// OBSOLETE BRANCH8, /* an 8 byte branch insn, including ones with delay slots */ -// OBSOLETE } -// OBSOLETE insn_type; -// OBSOLETE -// OBSOLETE /* Return the type of INSN and store in TARGET the destination address of a -// OBSOLETE branch if this is one. */ -// OBSOLETE /* ??? Need to verify all cases are properly handled. */ -// OBSOLETE -// OBSOLETE static insn_type -// OBSOLETE get_insn_type (unsigned long insn, CORE_ADDR pc, CORE_ADDR *target) -// OBSOLETE { -// OBSOLETE unsigned long limm; -// OBSOLETE -// OBSOLETE switch (insn >> 27) -// OBSOLETE { -// OBSOLETE case 0: -// OBSOLETE case 1: -// OBSOLETE case 2: /* load/store insns */ -// OBSOLETE if (LIMM_P (X_A (insn)) -// OBSOLETE || LIMM_P (X_B (insn)) -// OBSOLETE || LIMM_P (X_C (insn))) -// OBSOLETE return NORMAL8; -// OBSOLETE return NORMAL4; -// OBSOLETE case 4: -// OBSOLETE case 5: -// OBSOLETE case 6: /* branch insns */ -// OBSOLETE *target = pc + 4 + X_L (insn); -// OBSOLETE /* ??? It isn't clear that this is always the right answer. -// OBSOLETE The problem occurs when the next insn is an 8 byte insn. If the -// OBSOLETE branch is conditional there's no worry as there shouldn't be an 8 -// OBSOLETE byte insn following. The programmer may be cheating if s/he knows -// OBSOLETE the branch will never be taken, but we don't deal with that. -// OBSOLETE Note that the programmer is also allowed to play games by putting -// OBSOLETE an insn with long immediate data in the delay slot and then duplicate -// OBSOLETE the long immediate data at the branch target. Ugh! */ -// OBSOLETE if (X_N (insn) == 0) -// OBSOLETE return BRANCH4; -// OBSOLETE return BRANCH8; -// OBSOLETE case 7: /* jump insns */ -// OBSOLETE if (LIMM_P (X_B (insn))) -// OBSOLETE { -// OBSOLETE limm = read_memory_integer (pc + 4, 4); -// OBSOLETE *target = ARC_PC_TO_REAL_ADDRESS (limm); -// OBSOLETE return BRANCH8; -// OBSOLETE } -// OBSOLETE if (SHIMM_P (X_B (insn))) -// OBSOLETE *target = ARC_PC_TO_REAL_ADDRESS (X_D (insn)); -// OBSOLETE else -// OBSOLETE *target = ARC_PC_TO_REAL_ADDRESS (read_register (X_B (insn))); -// OBSOLETE if (X_Q (insn) == 0 && X_N (insn) == 0) -// OBSOLETE return BRANCH4; -// OBSOLETE return BRANCH8; -// OBSOLETE default: /* arithmetic insns, etc. */ -// OBSOLETE if (LIMM_P (X_A (insn)) -// OBSOLETE || LIMM_P (X_B (insn)) -// OBSOLETE || LIMM_P (X_C (insn))) -// OBSOLETE return NORMAL8; -// OBSOLETE return NORMAL4; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* single_step() is called just before we want to resume the inferior, if we -// OBSOLETE want to single-step it but there is no hardware or kernel single-step -// OBSOLETE support. We find all the possible targets of the coming instruction and -// OBSOLETE breakpoint them. -// OBSOLETE -// OBSOLETE single_step is also called just after the inferior stops. If we had -// OBSOLETE set up a simulated single-step, we undo our damage. */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE arc_software_single_step (enum target_signal ignore, /* sig but we don't need it */ -// OBSOLETE int insert_breakpoints_p) -// OBSOLETE { -// OBSOLETE static CORE_ADDR next_pc, target; -// OBSOLETE static int brktrg_p; -// OBSOLETE typedef char binsn_quantum[BREAKPOINT_MAX]; -// OBSOLETE static binsn_quantum break_mem[2]; -// OBSOLETE -// OBSOLETE if (insert_breakpoints_p) -// OBSOLETE { -// OBSOLETE insn_type type; -// OBSOLETE CORE_ADDR pc; -// OBSOLETE unsigned long insn; -// OBSOLETE -// OBSOLETE pc = read_register (PC_REGNUM); -// OBSOLETE insn = read_memory_integer (pc, 4); -// OBSOLETE type = get_insn_type (insn, pc, &target); -// OBSOLETE -// OBSOLETE /* Always set a breakpoint for the insn after the branch. */ -// OBSOLETE next_pc = pc + ((type == NORMAL8 || type == BRANCH8) ? 8 : 4); -// OBSOLETE target_insert_breakpoint (next_pc, break_mem[0]); -// OBSOLETE -// OBSOLETE brktrg_p = 0; -// OBSOLETE -// OBSOLETE if ((type == BRANCH4 || type == BRANCH8) -// OBSOLETE /* Watch out for branches to the following location. -// OBSOLETE We just stored a breakpoint there and another call to -// OBSOLETE target_insert_breakpoint will think the real insn is the -// OBSOLETE breakpoint we just stored there. */ -// OBSOLETE && target != next_pc) -// OBSOLETE { -// OBSOLETE brktrg_p = 1; -// OBSOLETE target_insert_breakpoint (target, break_mem[1]); -// OBSOLETE } -// OBSOLETE -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* Remove breakpoints. */ -// OBSOLETE target_remove_breakpoint (next_pc, break_mem[0]); -// OBSOLETE -// OBSOLETE if (brktrg_p) -// OBSOLETE target_remove_breakpoint (target, break_mem[1]); -// OBSOLETE -// OBSOLETE /* Fix the pc. */ -// OBSOLETE stop_pc -= DECR_PC_AFTER_BREAK; -// OBSOLETE write_pc (stop_pc); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Because of Multi-arch, GET_LONGJMP_TARGET is always defined. So test -// OBSOLETE for a definition of JB_PC. */ -// OBSOLETE #ifdef JB_PC -// OBSOLETE /* Figure out where the longjmp will land. Slurp the args out of the stack. -// OBSOLETE We expect the first arg to be a pointer to the jmp_buf structure from which -// OBSOLETE we extract the pc (JB_PC) that we will land at. The pc is copied into PC. -// OBSOLETE This routine returns true on success. */ -// OBSOLETE -// OBSOLETE int -// OBSOLETE get_longjmp_target (CORE_ADDR *pc) -// OBSOLETE { -// OBSOLETE char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT]; -// OBSOLETE CORE_ADDR sp, jb_addr; -// OBSOLETE -// OBSOLETE sp = read_register (SP_REGNUM); -// OBSOLETE -// OBSOLETE if (target_read_memory (sp + SP_ARG0, /* Offset of first arg on stack */ -// OBSOLETE buf, -// OBSOLETE TARGET_PTR_BIT / TARGET_CHAR_BIT)) -// OBSOLETE return 0; -// OBSOLETE -// OBSOLETE jb_addr = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT); -// OBSOLETE -// OBSOLETE if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf, -// OBSOLETE TARGET_PTR_BIT / TARGET_CHAR_BIT)) -// OBSOLETE return 0; -// OBSOLETE -// OBSOLETE *pc = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT); -// OBSOLETE -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE #endif /* GET_LONGJMP_TARGET */ -// OBSOLETE -// OBSOLETE /* Disassemble one instruction. */ -// OBSOLETE -// OBSOLETE static int -// OBSOLETE arc_print_insn (bfd_vma vma, disassemble_info *info) -// OBSOLETE { -// OBSOLETE static int current_mach; -// OBSOLETE static int current_endian; -// OBSOLETE static disassembler_ftype current_disasm; -// OBSOLETE -// OBSOLETE if (current_disasm == NULL -// OBSOLETE || arc_bfd_mach_type != current_mach -// OBSOLETE || TARGET_BYTE_ORDER != current_endian) -// OBSOLETE { -// OBSOLETE current_mach = arc_bfd_mach_type; -// OBSOLETE current_endian = TARGET_BYTE_ORDER; -// OBSOLETE current_disasm = arc_get_disassembler (NULL); -// OBSOLETE } -// OBSOLETE -// OBSOLETE return (*current_disasm) (vma, info); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Command to set cpu type. */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE arc_set_cpu_type_command (char *args, int from_tty) -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE -// OBSOLETE if (tmp_arc_cpu_type == NULL || *tmp_arc_cpu_type == '\0') -// OBSOLETE { -// OBSOLETE printf_unfiltered ("The known ARC cpu types are as follows:\n"); -// OBSOLETE for (i = 0; arc_cpu_type_table[i].name != NULL; ++i) -// OBSOLETE printf_unfiltered ("%s\n", arc_cpu_type_table[i].name); -// OBSOLETE -// OBSOLETE /* Restore the value. */ -// OBSOLETE tmp_arc_cpu_type = xstrdup (arc_cpu_type); -// OBSOLETE -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (!arc_set_cpu_type (tmp_arc_cpu_type)) -// OBSOLETE { -// OBSOLETE error ("Unknown cpu type `%s'.", tmp_arc_cpu_type); -// OBSOLETE /* Restore its value. */ -// OBSOLETE tmp_arc_cpu_type = xstrdup (arc_cpu_type); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE arc_show_cpu_type_command (char *args, int from_tty) -// OBSOLETE { -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Modify the actual cpu type. -// OBSOLETE Result is a boolean indicating success. */ -// OBSOLETE -// OBSOLETE static int -// OBSOLETE arc_set_cpu_type (char *str) -// OBSOLETE { -// OBSOLETE int i, j; -// OBSOLETE -// OBSOLETE if (str == NULL) -// OBSOLETE return 0; -// OBSOLETE -// OBSOLETE for (i = 0; arc_cpu_type_table[i].name != NULL; ++i) -// OBSOLETE { -// OBSOLETE if (strcasecmp (str, arc_cpu_type_table[i].name) == 0) -// OBSOLETE { -// OBSOLETE arc_cpu_type = str; -// OBSOLETE arc_bfd_mach_type = arc_cpu_type_table[i].value; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE return 0; -// OBSOLETE } -// OBSOLETE -// OBSOLETE void -// OBSOLETE _initialize_arc_tdep (void) -// OBSOLETE { -// OBSOLETE struct cmd_list_element *c; -// OBSOLETE -// OBSOLETE c = add_set_cmd ("cpu", class_support, var_string_noescape, -// OBSOLETE (char *) &tmp_arc_cpu_type, -// OBSOLETE "Set the type of ARC cpu in use.\n\ -// OBSOLETE This command has two purposes. In a multi-cpu system it lets one\n\ -// OBSOLETE change the cpu being debugged. It also gives one access to\n\ -// OBSOLETE cpu-type-specific registers and recognize cpu-type-specific instructions.\ -// OBSOLETE ", -// OBSOLETE &setlist); -// OBSOLETE set_cmd_cfunc (c, arc_set_cpu_type_command); -// OBSOLETE c = add_show_from_set (c, &showlist); -// OBSOLETE set_cmd_cfunc (c, arc_show_cpu_type_command); -// OBSOLETE -// OBSOLETE /* We have to use xstrdup() here because the `set' command frees it -// OBSOLETE before setting a new value. */ -// OBSOLETE tmp_arc_cpu_type = xstrdup (DEFAULT_ARC_CPU_TYPE); -// OBSOLETE arc_set_cpu_type (tmp_arc_cpu_type); -// OBSOLETE -// OBSOLETE c = add_set_cmd ("displaypipeline", class_support, var_zinteger, -// OBSOLETE (char *) &display_pipeline_p, -// OBSOLETE "Set pipeline display (simulator only).\n\ -// OBSOLETE When enabled, the state of the pipeline after each cycle is displayed.", -// OBSOLETE &setlist); -// OBSOLETE c = add_show_from_set (c, &showlist); -// OBSOLETE -// OBSOLETE c = add_set_cmd ("debugpipeline", class_support, var_zinteger, -// OBSOLETE (char *) &debug_pipeline_p, -// OBSOLETE "Set pipeline debug display (simulator only).\n\ -// OBSOLETE When enabled, debugging information about the pipeline is displayed.", -// OBSOLETE &setlist); -// OBSOLETE c = add_show_from_set (c, &showlist); -// OBSOLETE -// OBSOLETE c = add_set_cmd ("cputimer", class_support, var_zinteger, -// OBSOLETE (char *) &cpu_timer, -// OBSOLETE "Set maximum cycle count (simulator only).\n\ -// OBSOLETE Control will return to gdb if the timer expires.\n\ -// OBSOLETE A negative value disables the timer.", -// OBSOLETE &setlist); -// OBSOLETE c = add_show_from_set (c, &showlist); -// OBSOLETE -// OBSOLETE tm_print_insn = arc_print_insn; -// OBSOLETE } |