From 8262ee2317b7e0652a3bce7d82f0606b573e79a1 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Thu, 7 Nov 2002 02:40:28 +0000 Subject: [PATCH] 2002-11-06 Andrew Cagney * regcache.h (deprecated_register_valid): Rename register_valid. * regcache.c: Update. * ia64-aix-nat.c: Update. * i386gnu-nat.c: Update. * alpha-nat.c: Update. * sparc-nat.c: Update. * lynx-nat.c: Update. * remote-mips.c: Update. --- gdb/ChangeLog | 11 +++++++++++ gdb/alpha-nat.c | 6 +++--- gdb/i386gnu-nat.c | 6 +++--- gdb/ia64-aix-nat.c | 6 +++--- gdb/lynx-nat.c | 14 +++++++------- gdb/regcache.c | 16 ++++++++-------- gdb/regcache.h | 17 +++++++++++------ gdb/remote-mips.c | 2 +- gdb/sparc-nat.c | 36 ++++++++++++++++++------------------ 9 files changed, 65 insertions(+), 49 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index e28370eb38..7f6838188f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,14 @@ +2002-11-06 Andrew Cagney + + * regcache.h (deprecated_register_valid): Rename register_valid. + * regcache.c: Update. + * ia64-aix-nat.c: Update. + * i386gnu-nat.c: Update. + * alpha-nat.c: Update. + * sparc-nat.c: Update. + * lynx-nat.c: Update. + * remote-mips.c: Update. + 2002-11-06 Joel Brobecker * hppa-tdep.c (_initialize_hppa_tdep): Move function body diff --git a/gdb/alpha-nat.c b/gdb/alpha-nat.c index 580dcc0e80..ef468f5069 100644 --- a/gdb/alpha-nat.c +++ b/gdb/alpha-nat.c @@ -135,7 +135,7 @@ fetch_elf_core_registers (char *core_reg_sect, unsigned core_reg_size, /* The FPU Registers. */ memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], core_reg_sect, 31 * 8); memset (®isters[REGISTER_BYTE (FP0_REGNUM + 31)], 0, 8); - memset (®ister_valid[FP0_REGNUM], 1, 32); + memset (&deprecated_register_valid[FP0_REGNUM], 1, 32); } else { @@ -144,8 +144,8 @@ fetch_elf_core_registers (char *core_reg_sect, unsigned core_reg_size, 31 * 8); memcpy (®isters[REGISTER_BYTE (PC_REGNUM)], core_reg_sect + 31 * 8, 8); memset (®isters[REGISTER_BYTE (ALPHA_ZERO_REGNUM)], 0, 8); - memset (®ister_valid[ALPHA_V0_REGNUM], 1, 32); - register_valid[PC_REGNUM] = 1; + memset (&deprecated_register_valid[ALPHA_V0_REGNUM], 1, 32); + deprecated_register_valid[PC_REGNUM] = 1; } } diff --git a/gdb/i386gnu-nat.c b/gdb/i386gnu-nat.c index 3fa99a34d8..82f9ee5764 100644 --- a/gdb/i386gnu-nat.c +++ b/gdb/i386gnu-nat.c @@ -184,7 +184,7 @@ store_fpregs (struct proc *thread, int regno) } /* FIXME: kettenis/2001-07-15: Is this right? Should we somehow - take into account REGISTER_VALID like the old code did? */ + take into account DEPRECATED_REGISTER_VALID like the old code did? */ i387_fill_fsave (state.hw_state, regno); err = thread_set_state (thread->port, i386_FLOAT_STATE, @@ -266,14 +266,14 @@ gnu_store_registers (int regno) proc_debug (thread, "storing all registers"); for (i = 0; i < I386_NUM_GREGS; i++) - if (register_valid[i]) + if (deprecated_register_valid[i]) fill (state, i); } else { proc_debug (thread, "storing register %s", REGISTER_NAME (regno)); - gdb_assert (register_valid[regno]); + gdb_assert (deprecated_register_valid[regno]); fill (state, regno); } diff --git a/gdb/ia64-aix-nat.c b/gdb/ia64-aix-nat.c index c41cc7cc88..dbf664c0c1 100644 --- a/gdb/ia64-aix-nat.c +++ b/gdb/ia64-aix-nat.c @@ -71,11 +71,11 @@ supply_gregset (prgregset_t *gregsetp) by other means. Those that aren't are already handled by the code above. */ for (regi = IA64_GR32_REGNUM; regi <= IA64_GR127_REGNUM; regi++) - register_valid[regi] = 1; + deprecated_register_valid[regi] = 1; for (regi = IA64_PR0_REGNUM; regi <= IA64_PR63_REGNUM; regi++) - register_valid[regi] = 1; + deprecated_register_valid[regi] = 1; for (regi = IA64_VFP_REGNUM; regi <= NUM_REGS; regi++) - register_valid[regi] = 1; + deprecated_register_valid[regi] = 1; } void diff --git a/gdb/lynx-nat.c b/gdb/lynx-nat.c index 9cd1672d33..8f8f15ea89 100644 --- a/gdb/lynx-nat.c +++ b/gdb/lynx-nat.c @@ -299,7 +299,7 @@ fetch_inferior_registers (int regno) memcpy (®isters[REGISTER_BYTE (G1_REGNUM)], &ec.g1, 4 * REGISTER_RAW_SIZE (G1_REGNUM)); for (i = G1_REGNUM; i <= G1_REGNUM + 3; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; supply_register (PS_REGNUM, (char *) &ec.psr); supply_register (Y_REGNUM, (char *) &ec.y); @@ -310,7 +310,7 @@ fetch_inferior_registers (int regno) memcpy (®isters[REGISTER_BYTE (O0_REGNUM)], ec.o, 8 * REGISTER_RAW_SIZE (O0_REGNUM)); for (i = O0_REGNUM; i <= O0_REGNUM + 7; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; } if (whatregs & WHATREGS_STACK) @@ -324,13 +324,13 @@ fetch_inferior_registers (int regno) ®isters[REGISTER_BYTE (I0_REGNUM)], 8 * REGISTER_RAW_SIZE (I0_REGNUM)); for (i = I0_REGNUM; i <= I7_REGNUM; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; target_read_memory (sp + FRAME_SAVED_L0, ®isters[REGISTER_BYTE (L0_REGNUM)], 8 * REGISTER_RAW_SIZE (L0_REGNUM)); for (i = L0_REGNUM; i <= L0_REGNUM + 7; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; } if (whatregs & WHATREGS_FLOAT) @@ -348,7 +348,7 @@ fetch_inferior_registers (int regno) memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], fc.f.fregs, 32 * REGISTER_RAW_SIZE (FP0_REGNUM)); for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; supply_register (FPS_REGNUM, (char *) &fc.fsr); } @@ -411,7 +411,7 @@ store_inferior_registers (int regno) if (regno == -1 || regno == SP_REGNUM) { - if (!register_valid[L0_REGNUM + 5]) + if (!deprecated_register_valid[L0_REGNUM + 5]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); target_write_memory (sp + FRAME_SAVED_I0, ®isters[REGISTER_BYTE (I0_REGNUM)], @@ -423,7 +423,7 @@ store_inferior_registers (int regno) } else if (regno >= L0_REGNUM && regno <= I7_REGNUM) { - if (!register_valid[regno]) + if (!deprecated_register_valid[regno]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); if (regno >= L0_REGNUM && regno <= L0_REGNUM + 7) regoffset = REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM) diff --git a/gdb/regcache.c b/gdb/regcache.c index 16a520cb5a..14162f2a2b 100644 --- a/gdb/regcache.c +++ b/gdb/regcache.c @@ -418,7 +418,7 @@ deprecated_grub_regcache_for_register_valid (struct regcache *regcache) /* Global structure containing the current regcache. */ /* FIXME: cagney/2002-05-11: The two global arrays registers[] and - register_valid[] currently point into this structure. */ + deprecated_register_valid[] currently point into this structure. */ struct regcache *current_regcache; /* NOTE: this is a write-through cache. There is no "dirty" bit for @@ -430,7 +430,7 @@ struct regcache *current_regcache; char *registers; -/* REGISTER_VALID is 0 if the register needs to be fetched, +/* DEPRECATED_REGISTER_VALID is 0 if the register needs to be fetched, 1 if it has been fetched, and -1 if the register value was not available. @@ -441,7 +441,7 @@ char *registers; system being debugged - some of the registers in such a system may not have been saved. */ -signed char *register_valid; +signed char *deprecated_register_valid; /* The thread/process associated with the current set of registers. */ @@ -460,7 +460,7 @@ static ptid_t registers_ptid; int register_cached (int regnum) { - return register_valid[regnum]; + return deprecated_register_valid[regnum]; } /* Record that REGNUM's value is cached if STATE is >0, uncached but @@ -675,7 +675,7 @@ regcache_raw_read (struct regcache *regcache, int regnum, void *buf) gdb_assert (regcache == current_regcache); /* For moment, just use underlying legacy code. Ulgh!!! This silently and very indirectly updates the regcache's regcache - via the global register_valid[]. */ + via the global deprecated_register_valid[]. */ legacy_read_register_gen (regnum, buf); return; } @@ -850,7 +850,7 @@ regcache_raw_write (struct regcache *regcache, int regnum, const void *buf) { /* For moment, just use underlying legacy code. Ulgh!!! This silently and very indirectly updates the regcache's buffers - via the globals register_valid[] and registers[]. */ + via the globals deprecated_register_valid[] and registers[]. */ gdb_assert (regcache == current_regcache); legacy_write_register_gen (regnum, buf); return; @@ -1455,7 +1455,7 @@ build_regcache (void) current_regcache = regcache_xmalloc (current_gdbarch); current_regcache->passthrough_p = 1; registers = deprecated_grub_regcache_for_registers (current_regcache); - register_valid = deprecated_grub_regcache_for_register_valid (current_regcache); + deprecated_register_valid = deprecated_grub_regcache_for_register_valid (current_regcache); } static void @@ -1737,7 +1737,7 @@ _initialize_regcache (void) xfree_regcache_descr); REGISTER_GDBARCH_SWAP (current_regcache); register_gdbarch_swap (®isters, sizeof (registers), NULL); - register_gdbarch_swap (®ister_valid, sizeof (register_valid), NULL); + register_gdbarch_swap (&deprecated_register_valid, sizeof (deprecated_register_valid), NULL); register_gdbarch_swap (NULL, 0, build_regcache); add_com ("flushregs", class_maintenance, reg_flush_command, diff --git a/gdb/regcache.h b/gdb/regcache.h index a15fc369d9..e2c17fd8db 100644 --- a/gdb/regcache.h +++ b/gdb/regcache.h @@ -149,12 +149,6 @@ extern int max_register_size (struct gdbarch *gdbarch); extern char *registers; -/* DEPRECATED: Character array containing the current state of each - register (unavailable<0, invalid=0, valid>0) for the most recently - referenced thread. */ - -extern signed char *register_valid; - /* Copy/duplicate the contents of a register cache. By default, the operation is pass-through. Writes to DST and reads from SRC will go through to the target. @@ -188,6 +182,17 @@ extern char *deprecated_grub_regcache_for_register_valid (struct regcache *); extern void deprecated_read_register_gen (int regnum, char *myaddr); extern void deprecated_write_register_gen (int regnum, char *myaddr); +/* Character array containing the current state of each register + (unavailable<0, invalid=0, valid>0) for the most recently + referenced thread. This global is often found in close proximity + to code that is directly manipulating the deprecated_registers[] + array. In such cases, it should be possible to replace the lot + with a call to supply_register(). If you find yourself in dire + straits, still needing access to the cache status bit, the + regcache_valid_p() and set_register_cached() functions are + available. */ +extern signed char *deprecated_register_valid; + extern int register_cached (int regnum); extern void set_register_cached (int regnum, int state); diff --git a/gdb/remote-mips.c b/gdb/remote-mips.c index a1df0eb94e..abd590bef2 100644 --- a/gdb/remote-mips.c +++ b/gdb/remote-mips.c @@ -3443,7 +3443,7 @@ mips_load (char *file, int from_tty) /* Work around problem where PMON monitor updates the PC after a load to a different value than GDB thinks it has. The following ensures that the write_pc() WILL update the PC value: */ - register_valid[PC_REGNUM] = 0; + deprecated_register_valid[PC_REGNUM] = 0; } if (exec_bfd) write_pc (bfd_get_start_address (exec_bfd)); diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c index e892fe8fbd..611f50d578 100644 --- a/gdb/sparc-nat.c +++ b/gdb/sparc-nat.c @@ -73,7 +73,7 @@ fetch_inferior_registers (int regno) to the stack pointer. */ if (regno < O7_REGNUM /* including -1 */ || regno >= Y_REGNUM - || (!register_valid[SP_REGNUM] && regno < I7_REGNUM)) + || (!deprecated_register_valid[SP_REGNUM] && regno < I7_REGNUM)) { if (0 != ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) & inferior_registers, 0)) @@ -88,16 +88,16 @@ fetch_inferior_registers (int regno) *(int *) ®isters[REGISTER_BYTE (Y_REGNUM)] = inferior_registers.r_y; for (i = G0_REGNUM; i <= O7_REGNUM; i++) - register_valid[i] = 1; - register_valid[Y_REGNUM] = 1; - register_valid[PS_REGNUM] = 1; - register_valid[PC_REGNUM] = 1; - register_valid[NPC_REGNUM] = 1; + deprecated_register_valid[i] = 1; + deprecated_register_valid[Y_REGNUM] = 1; + deprecated_register_valid[PS_REGNUM] = 1; + deprecated_register_valid[PC_REGNUM] = 1; + deprecated_register_valid[NPC_REGNUM] = 1; /* If we don't set these valid, read_register_bytes() rereads all the regs every time it is called! FIXME. */ - register_valid[WIM_REGNUM] = 1; /* Not true yet, FIXME */ - register_valid[TBR_REGNUM] = 1; /* Not true yet, FIXME */ - register_valid[CPS_REGNUM] = 1; /* Not true yet, FIXME */ + deprecated_register_valid[WIM_REGNUM] = 1; /* Not true yet, FIXME */ + deprecated_register_valid[TBR_REGNUM] = 1; /* Not true yet, FIXME */ + deprecated_register_valid[CPS_REGNUM] = 1; /* Not true yet, FIXME */ } /* Floating point registers */ @@ -115,8 +115,8 @@ fetch_inferior_registers (int regno) &inferior_fp_registers.Fpu_fsr, sizeof (FPU_FSR_TYPE)); for (i = FP0_REGNUM; i <= FP0_REGNUM + 31; i++) - register_valid[i] = 1; - register_valid[FPS_REGNUM] = 1; + deprecated_register_valid[i] = 1; + deprecated_register_valid[FPS_REGNUM] = 1; } /* These regs are saved on the stack by the kernel. Only read them @@ -127,17 +127,17 @@ fetch_inferior_registers (int regno) target_read_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)], 16 * REGISTER_RAW_SIZE (L0_REGNUM)); for (i = L0_REGNUM; i <= I7_REGNUM; i++) - register_valid[i] = 1; + deprecated_register_valid[i] = 1; } else if (regno >= L0_REGNUM && regno <= I7_REGNUM) { CORE_ADDR sp = *(unsigned int *) & registers[REGISTER_BYTE (SP_REGNUM)]; i = REGISTER_BYTE (regno); - if (register_valid[regno]) + if (deprecated_register_valid[regno]) printf_unfiltered ("register %d valid and read\n", regno); target_read_memory (sp + i - REGISTER_BYTE (L0_REGNUM), ®isters[i], REGISTER_RAW_SIZE (regno)); - register_valid[regno] = 1; + deprecated_register_valid[regno] = 1; } } @@ -199,7 +199,7 @@ store_inferior_registers (int regno) if (regno < 0 || regno == SP_REGNUM) { - if (!register_valid[L0_REGNUM + 5]) + if (!deprecated_register_valid[L0_REGNUM + 5]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); target_write_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)], @@ -207,7 +207,7 @@ store_inferior_registers (int regno) } else { - if (!register_valid[regno]) + if (!deprecated_register_valid[regno]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); target_write_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM), ®isters[REGISTER_BYTE (regno)], @@ -218,7 +218,7 @@ store_inferior_registers (int regno) if (wanna_store & INT_REGS) { - if (!register_valid[G1_REGNUM]) + if (!deprecated_register_valid[G1_REGNUM]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); memcpy (&inferior_registers.r_g1, ®isters[REGISTER_BYTE (G1_REGNUM)], @@ -240,7 +240,7 @@ store_inferior_registers (int regno) if (wanna_store & FP_REGS) { - if (!register_valid[FP0_REGNUM + 9]) + if (!deprecated_register_valid[FP0_REGNUM + 9]) internal_error (__FILE__, __LINE__, "failed internal consistency check"); memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], sizeof inferior_fp_registers.fpu_fr); -- 2.34.1