Index: gdb/ia64-fbsd-nat.c =================================================================== RCS file: gdb/ia64-fbsd-nat.c diff -N gdb/ia64-fbsd-nat.c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ gdb/ia64-fbsd-nat.c 17 Apr 2004 19:39:20 -0000 1.3 @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2004 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "defs.h" +#include "inferior.h" +#include "regcache.h" + +#include +#include +#include + +#ifdef HAVE_SYS_PROCFS_H +#include +#endif + +#ifndef HAVE_GREGSET_T +typedef struct reg gregset_t; +#endif + +#ifndef HAVE_FPREGSET_T +typedef struct fpreg fpregset_t; +#endif + +#include "gregset.h" + +#define FPREG_SUPPLIES(r) ((r) >= IA64_FR0_REGNUM && (r) <= IA64_FR127_REGNUM) +#define GREG_SUPPLIES(r) (!FPREG_SUPPLIES(r)) + +/* XXX need to go away. */ +void ia64_fbsd_supply_fpregs (void *, int); +void ia64_fbsd_supply_gregs (void *, int); + +void +fetch_inferior_registers (int regno) +{ + union { + fpregset_t fpr; + gregset_t r; + } regs; + + if (regno == -1 || GREG_SUPPLIES(regno)) + { + if (ptrace (PT_GETREGS, PIDGET(inferior_ptid), + (PTRACE_ARG3_TYPE)®s.r, 0) == -1) + perror_with_name ("Couldn't get registers"); + ia64_fbsd_supply_gregs (®s.r, regno); + if (regno != -1) + return; + } + + if (regno == -1 || FPREG_SUPPLIES(regno)) + { + if (ptrace (PT_GETFPREGS, PIDGET(inferior_ptid), + (PTRACE_ARG3_TYPE)®s.fpr, 0) == -1) + perror_with_name ("Couldn't get FP registers"); + ia64_fbsd_supply_fpregs (®s.fpr, regno); + if (regno != -1) + return; + } +} + +void +store_inferior_registers (int regno) +{ + union { + fpregset_t fpr; + gregset_t r; + } regs; + + if (regno == -1 || GREG_SUPPLIES(regno)) + { + if (ptrace (PT_GETREGS, PIDGET(inferior_ptid), + (PTRACE_ARG3_TYPE)®s.r, 0) == -1) + perror_with_name ("Couldn't get registers"); + fill_gregset (®s.r, regno); + if (ptrace (PT_SETREGS, PIDGET(inferior_ptid), + (PTRACE_ARG3_TYPE)®s.r, 0) == -1) + perror_with_name ("Couldn't get registers"); + if (regno != -1) + return; + } + + if (regno == -1 || FPREG_SUPPLIES(regno)) + { + if (ptrace (PT_GETFPREGS, PIDGET(inferior_ptid), + (PTRACE_ARG3_TYPE)®s.fpr, 0) == -1) + perror_with_name ("Couldn't get FP registers"); + fill_fpregset (®s.fpr, regno); + if (ptrace (PT_SETFPREGS, PIDGET(inferior_ptid), + (PTRACE_ARG3_TYPE)®s.fpr, 0) == -1) + perror_with_name ("Couldn't get FP registers"); + if (regno != -1) + return; + } +} + +LONGEST ia64_fbsd_xfer_dirty (struct target_ops *ops, enum target_object obj, + const char *annex, void *rbuf, const void *wbuf, + ULONGEST ofs, LONGEST len) +{ + if (len != 8) + return (-1); + if (rbuf != NULL) { + if (ptrace (PT_GETKSTACK, PIDGET(inferior_ptid), (PTRACE_ARG3_TYPE)rbuf, + ofs >> 3) == -1) { + perror_with_name ("Couldn't read dirty register"); + return (-1); + } + } else { + if (ptrace (PT_SETKSTACK, PIDGET(inferior_ptid), (PTRACE_ARG3_TYPE)wbuf, + ofs >> 3) == -1) { + perror_with_name ("Couldn't write dirty register"); + return (-1); + } + } + return (len); +} + +void +_initialize_ia64_fbsd_nat (void) +{ +} Index: gdb/ia64-fbsd-tdep.c =================================================================== RCS file: gdb/ia64-fbsd-tdep.c diff -N gdb/ia64-fbsd-tdep.c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ gdb/ia64-fbsd-tdep.c 17 Apr 2004 19:39:20 -0000 1.6 @@ -0,0 +1,291 @@ +/* + * Copyright (c) 2004 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "defs.h" +#include "gdb_string.h" +#include "regcache.h" +#include "regset.h" +#include "solib-svr4.h" +#include "value.h" + +#include "ia64-tdep.h" + +#define FPREG_SUPPLIES(r) ((r) >= IA64_FR0_REGNUM && (r) <= IA64_FR127_REGNUM) +#define GREG_SUPPLIES(r) (!FPREG_SUPPLIES(r)) + +static int reg_offset[462] = { + -1, 96, 248, 256, 152, 160, 168, 176, /* Regs 0-7. */ + 264, 272, 280, 288, 0, 64, 296, 304, /* Regs 8-15. */ + 312, 320, 328, 336, 344, 352, 360, 368, /* Regs 16-23. */ + 376, 384, 392, 400, 408, 416, 424, 432, /* Regs 24-31. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 32-39. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 40-47. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 48-55. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 56-63. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 64-71. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 72-79. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 80-87. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 88-95. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 96-103. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 104-111. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 112-119. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 120-127. */ + -1, -1, 0, 16, 32, 48, 320, 336, /* Regs 128-135. */ + 352, 368, 384, 400, 416, 432, 448, 464, /* Regs 136-143. */ + 64, 80, 96, 112, 128, 144, 160, 176, /* Regs 144-151. */ + 192, 208, 224, 240, 256, 272, 288, 304, /* Regs 152-159. */ + 480, 496, 512, 528, 544, 560, 576, 592, /* Regs 160-167. */ + 608, 624, 640, 656, 672, 688, 704, 720, /* Regs 168-175. */ + 736, 752, 768, 784, 800, 816, 832, 848, /* Regs 176-183. */ + 864, 880, 896, 912, 928, 944, 960, 976, /* Regs 184-191. */ + 992, 1008, 1024, 1040, 1056, 1072, 1088, 1104, /* Regs 192-199. */ + 1120, 1136, 1152, 1168, 1184, 1200, 1216, 1232, /* Regs 200-207. */ + 1248, 1264, 1280, 1296, 1312, 1328, 1344, 1360, /* Regs 208-215. */ + 1376, 1392, 1408, 1424, 1440, 1456, 1472, 1488, /* Regs 216-223. */ + 1504, 1520, 1536, 1552, 1568, 1584, 1600, 1616, /* Regs 224-231. */ + 1632, 1648, 1664, 1680, 1696, 1712, 1728, 1744, /* Regs 232-239. */ + 1760, 1776, 1792, 1808, 1824, 1840, 1856, 1872, /* Regs 240-247. */ + 1888, 1904, 1920, 1936, 1952, 1968, 1984, 2000, /* Regs 248-255. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 256-263. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 264-271. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 272-279. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 280-287. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 288-295. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 296-303. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 304-311. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 312-319. */ + 16, 184, 192, 200, 208, 216, 440, 448, /* Regs 320-327. */ + -1, -1, 24, 120, 88, 112, -1, -1, /* Regs 328-335. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 336-343. */ + -1, -1, -1, -1, -1, -1, 72, 104, /* Regs 344-351. */ + 40, 48, -1, -1, -1, -1, -1, 464, /* Regs 352-359. */ + 472, -1, -1, -1, -1, -1, 456, -1, /* Regs 360-367. */ + -1, -1, 8, -1, -1, -1, 80, -1, /* Regs 368-375. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 376-383. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 384-391. */ + -1, -1, -1, -1, -1, -1, 32, 224, /* Regs 392-399. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 400-407. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 408-415. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 416-423. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 424-431. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 432-439. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 440-447. */ + -1, -1, -1, -1, -1, -1, -1, -1, /* Regs 448-455. */ + -1, -1, -1, -1, -1, -1 +}; + +static void +ia64_fbsd_regcache_collect (struct regcache *regcache, int regno, + void *regs) +{ + int ofs; + + if (regno < 0 || regno >= NUM_REGS) + return; + + ofs = reg_offset[regno]; + if (ofs >= 0) + regcache_raw_collect (regcache, regno, (char*)regs + ofs); +} + +static void +ia64_fbsd_regcache_supply (struct regcache *regcache, int regno, + const void *regs) +{ + int ofs; + + if (regno < 0 || regno >= NUM_REGS) + return; + + ofs = reg_offset[regno]; + if (regno == IA64_BSP_REGNUM) + { + /* BSP is synthesized. It's not actually present in struct reg, + but can be derived from bspstore and ndirty. The offset of + IA64_BSP_REGNUM in the reg_offset array above is that of the + ndirty field in struct reg. */ + uint64_t bsp; + bsp = *((uint64_t*)((char *)regs + ofs)); /* ndirty */ + bsp += *((uint64_t*)((char *)regs + reg_offset[IA64_BSPSTORE_REGNUM])); + regcache_raw_supply (regcache, regno, &bsp); + } + else + { + if (ofs < 0) + regcache_raw_supply (regcache, regno, NULL); + else + regcache_raw_supply (regcache, regno, (char *)regs + ofs); + } +} + +void +fill_fpregset (void *fpregs, int regno) +{ + if (regno == -1) + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (FPREG_SUPPLIES(regno)) + ia64_fbsd_regcache_collect (current_regcache, regno, fpregs); + } + } + else + { + if (FPREG_SUPPLIES(regno)) + ia64_fbsd_regcache_collect (current_regcache, regno, fpregs); + } +} + +void +fill_gregset (void *gregs, int regno) +{ + if (regno == -1) + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (GREG_SUPPLIES(regno)) + ia64_fbsd_regcache_collect (current_regcache, regno, gregs); + } + } + else + { + if (GREG_SUPPLIES(regno)) + ia64_fbsd_regcache_collect (current_regcache, regno, gregs); + } +} + +void +ia64_fbsd_supply_fpregs (const void *fpregs, int regno) +{ + if (regno == -1) + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (FPREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (current_regcache, regno, fpregs); + } + } + else + { + if (FPREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (current_regcache, regno, fpregs); + } +} + +void +ia64_fbsd_supply_gregs (const void *gregs, int regno) +{ + if (regno == -1) + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (GREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (current_regcache, regno, gregs); + } + } + else + { + if (GREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (current_regcache, regno, gregs); + } +} + +static void +ia64_fbsd_supply_gregset (const struct regset *regset, + struct regcache *regcache, int regno, + const void *gregs, size_t len) +{ + if (regno == -1) + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (GREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (regcache, regno, gregs); + } + } + else + if (GREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (regcache, regno, gregs); +} + +static void +ia64_fbsd_supply_fpregset (const struct regset *regset, + struct regcache *regcache, int regno, + const void *fpregs, size_t len) +{ + if (regno == -1) + { + for (regno = 0; regno < NUM_REGS; regno++) + { + if (FPREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (regcache, regno, fpregs); + } + } + else + if (FPREG_SUPPLIES(regno)) + ia64_fbsd_regcache_supply (regcache, regno, fpregs); +} + +static struct regset gregset = { NULL, ia64_fbsd_supply_gregset }; +static struct regset fpregset = { NULL, ia64_fbsd_supply_fpregset }; + +static const struct regset * +ia64_fbsd_regset_from_core_section (struct gdbarch *gdbarch, + const char *sect_name, size_t sect_size) +{ + if (strcmp (sect_name, ".reg") == 0) + return (&gregset); + if (strcmp (sect_name, ".reg2") == 0) + return (&fpregset); + return (NULL); +} + +static int +ia64_fbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name) +{ + uint64_t gwpage = 5ULL << 61; + return (pc >= gwpage && pc < (gwpage + 8192)) ? 1 : 0; +} + +static void +ia64_fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + set_gdbarch_pc_in_sigtramp (gdbarch, ia64_fbsd_pc_in_sigtramp); + set_gdbarch_regset_from_core_section (gdbarch, + ia64_fbsd_regset_from_core_section); + set_solib_svr4_fetch_link_map_offsets (gdbarch, + svr4_lp64_fetch_link_map_offsets); + tdep->find_global_pointer = ia64_generic_find_global_pointer; +} + +void +_initialize_ia64_fbsd_tdep (void) +{ + gdbarch_register_osabi (bfd_arch_ia64, 0ul, GDB_OSABI_FREEBSD_ELF, + ia64_fbsd_init_abi); +} Index: gdb/ia64-tdep.c =================================================================== RCS file: /home/marcel/CVS/gdb6/gdb/ia64-tdep.c,v retrieving revision 1.1.1.3 retrieving revision 1.5 diff -u -r1.1.1.3 -r1.5 --- gdb/ia64-tdep.c 16 Apr 2004 00:51:25 -0000 1.1.1.3 +++ gdb/ia64-tdep.c 16 Apr 2004 01:28:33 -0000 1.5 @@ -45,17 +45,6 @@ #include "libunwind-ia64.h" #endif -/* Hook for determining the global pointer when calling functions in - the inferior under AIX. The initialization code in ia64-aix-nat.c - sets this hook to the address of a function which will find the - global pointer for a given address. - - The generic code which uses the dynamic section in the inferior for - finding the global pointer is not of much use on AIX since the - values obtained from the inferior have not been relocated. */ - -CORE_ADDR (*native_find_global_pointer) (CORE_ADDR) = 0; - /* An enumeration of the different IA-64 instruction types. */ typedef enum instruction_type @@ -256,20 +245,6 @@ }; -struct gdbarch_tdep - { - CORE_ADDR (*sigcontext_register_address) (CORE_ADDR, int); - /* OS specific function which, given a frame address - and register number, returns the offset to the - given register from the start of the frame. */ - CORE_ADDR (*find_global_pointer) (CORE_ADDR); - }; - -#define SIGCONTEXT_REGISTER_ADDRESS \ - (gdbarch_tdep (current_gdbarch)->sigcontext_register_address) -#define FIND_GLOBAL_POINTER \ - (gdbarch_tdep (current_gdbarch)->find_global_pointer) - int ia64_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *group) @@ -682,9 +657,18 @@ if ((cfm & 0x7f) > regnum - V32_REGNUM) { + ULONGEST bspstore; ULONGEST reg_addr = rse_address_add (bsp, (regnum - V32_REGNUM)); - reg = read_memory_integer ((CORE_ADDR)reg_addr, 8); - store_unsigned_integer (buf, register_size (current_gdbarch, regnum), reg); + regcache_cooked_read_unsigned (regcache, IA64_BSPSTORE_REGNUM, + &bspstore); + if (reg_addr < bspstore) { + reg = read_memory_integer ((CORE_ADDR)reg_addr, 8); + store_unsigned_integer (buf, register_size (current_gdbarch, + regnum), reg); + } else + target_read_partial (¤t_target, TARGET_OBJECT_DIRTY, + (void*)bspstore, buf, reg_addr - bspstore, + register_size (current_gdbarch, regnum)); } else store_unsigned_integer (buf, register_size (current_gdbarch, regnum), 0); @@ -725,7 +709,21 @@ if (nat_addr >= bsp) regcache_cooked_read_unsigned (regcache, IA64_RNAT_REGNUM, &nat_collection); else - nat_collection = read_memory_integer (nat_addr, 8); + { + ULONGEST bspstore; + regcache_cooked_read_unsigned (regcache, IA64_BSPSTORE_REGNUM, + &bspstore); + if (nat_addr < bspstore) + nat_collection = read_memory_integer (nat_addr, 8); + else { + char natbuf[8]; + target_read_partial (¤t_target, TARGET_OBJECT_DIRTY, + (void*)bspstore, natbuf, + nat_addr - bspstore, + register_size (current_gdbarch, regnum)); + nat_collection = *((uint64_t*)natbuf); + } + } nat_bit = (gr_addr >> 3) & 0x3f; natN_val = (nat_collection >> nat_bit) & 1; } @@ -789,8 +787,16 @@ if ((cfm & 0x7f) > regnum - V32_REGNUM) { + ULONGEST bspstore; ULONGEST reg_addr = rse_address_add (bsp, (regnum - V32_REGNUM)); - write_memory (reg_addr, (void *)buf, 8); + regcache_cooked_read_unsigned (regcache, IA64_BSPSTORE_REGNUM, + &bspstore); + if (reg_addr < bspstore) + write_memory (reg_addr, (void *)buf, 8); + else + target_write_partial (¤t_target, TARGET_OBJECT_DIRTY, + (void*)bspstore, buf, reg_addr - bspstore, + register_size (current_gdbarch, regnum)); } } else if (IA64_NAT0_REGNUM <= regnum && regnum <= IA64_NAT31_REGNUM) @@ -845,13 +851,33 @@ else { char nat_buf[8]; - nat_collection = read_memory_integer (nat_addr, 8); + ULONGEST bspstore; + regcache_cooked_read_unsigned (regcache, IA64_BSPSTORE_REGNUM, + &bspstore); + if (nat_addr < bspstore) + nat_collection = read_memory_integer (nat_addr, 8); + else { + char natbuf[8]; + target_read_partial (¤t_target, TARGET_OBJECT_DIRTY, + (void*)bspstore, natbuf, + nat_addr - bspstore, + register_size (current_gdbarch, regnum)); + nat_collection = *((uint64_t*)natbuf); + } if (natN_val) nat_collection |= natN_mask; else nat_collection &= ~natN_mask; - store_unsigned_integer (nat_buf, register_size (current_gdbarch, regnum), nat_collection); - write_memory (nat_addr, nat_buf, 8); + store_unsigned_integer (nat_buf, register_size (current_gdbarch, + regnum), + nat_collection); + if (nat_addr < bspstore) + write_memory (nat_addr, nat_buf, 8); + else + target_write_partial (¤t_target, TARGET_OBJECT_DIRTY, + (void*)bspstore, nat_buf, + nat_addr - bspstore, + register_size (current_gdbarch, regnum)); } } } @@ -1813,6 +1839,7 @@ prev_bof = rse_address_add (prev_bsp, -(prev_cfm & 0x7f)); addr = rse_address_add (prev_bof, (regnum - IA64_GR32_REGNUM)); + /* XXX marcel */ *lvalp = lval_memory; *addrp = addr; read_memory (addr, valuep, register_size (current_gdbarch, regnum)); @@ -2858,8 +2885,8 @@ DT_PLTGOT tag. If it finds one of these, the corresponding d_un.d_ptr value is the global pointer. */ -static CORE_ADDR -generic_elf_find_global_pointer (CORE_ADDR faddr) +CORE_ADDR +ia64_generic_find_global_pointer (CORE_ADDR faddr) { struct obj_section *faddr_sect; @@ -3255,32 +3282,9 @@ tdep = xmalloc (sizeof (struct gdbarch_tdep)); gdbarch = gdbarch_alloc (&info, tdep); - - /* Set the method of obtaining the sigcontext addresses at which - registers are saved. The method of checking to see if - native_find_global_pointer is nonzero to indicate that we're - on AIX is kind of hokey, but I can't think of a better way - to do it. */ - if (info.osabi == GDB_OSABI_LINUX) - tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address; - else if (native_find_global_pointer != 0) - tdep->sigcontext_register_address = ia64_aix_sigcontext_register_address; - else - tdep->sigcontext_register_address = 0; - - /* We know that GNU/Linux won't have to resort to the - native_find_global_pointer hackery. But that's the only one we - know about so far, so if native_find_global_pointer is set to - something non-zero, then use it. Otherwise fall back to using - generic_elf_find_global_pointer. This arrangement should (in - theory) allow us to cross debug GNU/Linux binaries from an AIX - machine. */ - if (info.osabi == GDB_OSABI_LINUX) - tdep->find_global_pointer = generic_elf_find_global_pointer; - else if (native_find_global_pointer != 0) - tdep->find_global_pointer = native_find_global_pointer; - else - tdep->find_global_pointer = generic_elf_find_global_pointer; + tdep->osabi = info.osabi; + tdep->sigcontext_register_address = NULL; + tdep->find_global_pointer = ia64_generic_find_global_pointer; /* Define the ia64 floating-point format to gdb. */ builtin_type_ia64_ext = @@ -3338,10 +3342,7 @@ set_gdbarch_memory_remove_breakpoint (gdbarch, ia64_memory_remove_breakpoint); set_gdbarch_breakpoint_from_pc (gdbarch, ia64_breakpoint_from_pc); set_gdbarch_read_pc (gdbarch, ia64_read_pc); - if (info.osabi == GDB_OSABI_LINUX) - set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc); - else - set_gdbarch_write_pc (gdbarch, ia64_write_pc); + set_gdbarch_write_pc (gdbarch, ia64_write_pc); /* Settings for calling functions in the inferior. */ set_gdbarch_push_dummy_call (gdbarch, ia64_push_dummy_call); @@ -3365,6 +3366,8 @@ set_gdbarch_print_insn (gdbarch, ia64_print_insn); set_gdbarch_convert_from_func_ptr_addr (gdbarch, ia64_convert_from_func_ptr_addr); + + gdbarch_init_osabi (info, gdbarch); return gdbarch; } Index: gdb/ia64-tdep.h =================================================================== RCS file: /home/marcel/CVS/gdb6/gdb/ia64-tdep.h,v retrieving revision 1.1.1.1 retrieving revision 1.2 diff -u -r1.1.1.1 -r1.2 --- gdb/ia64-tdep.h 26 Mar 2004 02:54:41 -0000 1.1.1.1 +++ gdb/ia64-tdep.h 28 Mar 2004 03:47:34 -0000 1.2 @@ -22,10 +22,25 @@ #ifndef IA64_TDEP_H #define IA64_TDEP_H -extern CORE_ADDR ia64_linux_sigcontext_register_address (CORE_ADDR, int); -extern CORE_ADDR ia64_aix_sigcontext_register_address (CORE_ADDR, int); -extern unsigned long ia64_linux_getunwind_table (void *, size_t); -extern void ia64_write_pc (CORE_ADDR, ptid_t); -extern void ia64_linux_write_pc (CORE_ADDR, ptid_t); +#include "osabi.h" + +/* Target-dependent structure in gdbarch. */ +struct gdbarch_tdep +{ + enum gdb_osabi osabi; /* OS/ABI of inferior. */ + + CORE_ADDR (*sigcontext_register_address) (CORE_ADDR, int); + /* OS specific function which, given a frame address + and register number, returns the offset to the + given register from the start of the frame. */ + CORE_ADDR (*find_global_pointer) (CORE_ADDR); +}; + +#define SIGCONTEXT_REGISTER_ADDRESS \ + (gdbarch_tdep (current_gdbarch)->sigcontext_register_address) +#define FIND_GLOBAL_POINTER \ + (gdbarch_tdep (current_gdbarch)->find_global_pointer) + +extern CORE_ADDR ia64_generic_find_global_pointer (CORE_ADDR); #endif /* IA64_TDEP_H */ Index: gdb/inftarg.c =================================================================== RCS file: /home/marcel/CVS/gdb6/gdb/inftarg.c,v retrieving revision 1.1.1.1 retrieving revision 1.2 diff -u -r1.1.1.1 -r1.2 --- gdb/inftarg.c 26 Mar 2004 02:54:41 -0000 1.1.1.1 +++ gdb/inftarg.c 28 Mar 2004 03:47:34 -0000 1.2 @@ -592,6 +592,13 @@ return NATIVE_XFER_WCOOKIE (ops, object, annex, readbuf, writebuf, offset, len); + case TARGET_OBJECT_DIRTY: +#ifndef TARGET_XFER_DIRTY +#define TARGET_XFER_DIRTY(OPS,OBJECT,ANNEX,WRITEBUF,READBUF,OFFSET,LEN) (-1) +#endif + return TARGET_XFER_DIRTY (ops, object, annex, readbuf, writebuf, + offset, len); + default: return -1; } Index: gdb/remote.c =================================================================== RCS file: /home/marcel/CVS/gdb6/gdb/remote.c,v retrieving revision 1.1.1.3 retrieving revision 1.5 diff -u -r1.1.1.3 -r1.5 --- gdb/remote.c 16 Apr 2004 00:51:28 -0000 1.1.1.3 +++ gdb/remote.c 16 Apr 2004 01:28:33 -0000 1.5 @@ -998,6 +998,23 @@ show_packet_config_cmd (&remote_protocol_qPart_auxv); } +/* Should we try the 'qPart:dirty' (target dirty register read) request? */ +static struct packet_config remote_protocol_qPart_dirty; + +static void +set_remote_protocol_qPart_dirty_packet_cmd (char *args, int from_tty, + struct cmd_list_element *c) +{ + update_packet_config (&remote_protocol_qPart_dirty); +} + +static void +show_remote_protocol_qPart_dirty_packet_cmd (char *args, int from_tty, + struct cmd_list_element *c) +{ + show_packet_config_cmd (&remote_protocol_qPart_dirty); +} + /* Tokens for use by the asynchronous signal handlers for SIGINT */ static void *sigint_remote_twice_token; @@ -2088,6 +2105,7 @@ downloading. */ update_packet_config (&remote_protocol_binary_download); update_packet_config (&remote_protocol_qPart_auxv); + update_packet_config (&remote_protocol_qPart_dirty); } /* Symbol look-up. */ @@ -4925,6 +4943,23 @@ } return -1; + case TARGET_OBJECT_DIRTY: + if (remote_protocol_qPart_dirty.support != PACKET_DISABLE) + { + snprintf (buf2, rs->remote_packet_size, "qPart:dirty:read::%lx", + (long)(offset >> 3)); + i = putpkt (buf2); + if (i < 0) + return i; + buf2[0] = '\0'; + getpkt (buf2, rs->remote_packet_size, 0); + if (packet_ok (buf2, &remote_protocol_qPart_dirty) != PACKET_OK) + return -1; + i = hex2bin (buf2, readbuf, len); + return i; + } + return -1; + default: return -1; } @@ -5423,6 +5458,7 @@ show_remote_protocol_vcont_packet_cmd (args, from_tty, NULL); show_remote_protocol_binary_download_cmd (args, from_tty, NULL); show_remote_protocol_qPart_auxv_packet_cmd (args, from_tty, NULL); + show_remote_protocol_qPart_dirty_packet_cmd (args, from_tty, NULL); } static void @@ -5670,6 +5706,13 @@ "qPart_auxv", "read-aux-vector", set_remote_protocol_qPart_auxv_packet_cmd, show_remote_protocol_qPart_auxv_packet_cmd, + &remote_set_cmdlist, &remote_show_cmdlist, + 0); + + add_packet_config_cmd (&remote_protocol_qPart_dirty, + "qPart_dirty", "read-dirty-registers", + set_remote_protocol_qPart_dirty_packet_cmd, + show_remote_protocol_qPart_dirty_packet_cmd, &remote_set_cmdlist, &remote_show_cmdlist, 0); Index: gdb/target.h =================================================================== RCS file: /home/marcel/CVS/gdb6/gdb/target.h,v retrieving revision 1.1.1.1 retrieving revision 1.2 diff -u -r1.1.1.1 -r1.2 --- gdb/target.h 26 Mar 2004 02:54:42 -0000 1.1.1.1 +++ gdb/target.h 28 Mar 2004 03:47:34 -0000 1.2 @@ -229,7 +229,9 @@ /* Transfer auxilliary vector. */ TARGET_OBJECT_AUXV, /* StackGhost cookie. See "sparc-tdep.c". */ - TARGET_OBJECT_WCOOKIE + TARGET_OBJECT_WCOOKIE, + /* Dirty registers. See "ia64-tdep.c". */ + TARGET_OBJECT_DIRTY /* Possible future objects: TARGET_OBJECT_FILE, TARGET_OBJECT_PROC, ... */ }; Index: gdb/config/ia64/fbsd.mh =================================================================== RCS file: gdb/config/ia64/fbsd.mh diff -N gdb/config/ia64/fbsd.mh --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ gdb/config/ia64/fbsd.mh 25 Jun 2004 03:55:31 -0000 @@ -0,0 +1,3 @@ +NATDEPFILES= fbsd-proc.o fbsd-thread.o fork-child.o gcore.o \ + ia64-fbsd-nat.o infptrace.o inftarg.o +NAT_FILE= nm-fbsd.h Index: gdb/config/ia64/fbsd.mt =================================================================== RCS file: gdb/config/ia64/fbsd.mt diff -N gdb/config/ia64/fbsd.mt --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ gdb/config/ia64/fbsd.mt 28 Mar 2004 03:47:38 -0000 1.1 @@ -0,0 +1,2 @@ +TDEPFILES= corelow.o ia64-fbsd-tdep.o ia64-tdep.o solib.o solib-svr4.o +TM_FILE= tm-fbsd.h Index: gdb/config/ia64/nm-fbsd.h =================================================================== RCS file: gdb/config/ia64/nm-fbsd.h diff -N gdb/config/ia64/nm-fbsd.h --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ gdb/config/ia64/nm-fbsd.h 16 Apr 2004 02:49:16 -0000 1.2 @@ -0,0 +1,24 @@ +/* GNU GPL */ + +#ifndef NM_FBSD_H +#define NM_FBSD_H + +/* Type of the third argument to the `ptrace' system call. */ +#define PTRACE_ARG3_TYPE caddr_t + +/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */ +#define FETCH_INFERIOR_REGISTERS + +/* We can attach and detach. */ +#define ATTACH_DETACH + +/* Override child_pid_to_exec_file in 'inftarg.c'. */ +#define CHILD_PID_TO_EXEC_FILE + +#include "target.h" + +#define TARGET_XFER_DIRTY ia64_fbsd_xfer_dirty +extern LONGEST ia64_fbsd_xfer_dirty(struct target_ops *, enum target_object, + const char *, void *, const void *, ULONGEST, LONGEST); + +#endif /* NM_FBSD_H */ Index: gdb/config/ia64/tm-fbsd.h =================================================================== RCS file: gdb/config/ia64/tm-fbsd.h diff -N gdb/config/ia64/tm-fbsd.h --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ gdb/config/ia64/tm-fbsd.h 17 Apr 2004 01:43:21 -0000 1.2 @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2004 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef TM_FBSD_H +#define TM_FBSD_H + +#include "solib.h" + +#include "ia64/tm-ia64.h" + +#endif /* TM_FBSD_H */