X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fcris-tdep.c;h=30bcbfc0749d69e7f66bfb0d4204ea1ae527b689;hb=ee01b6652ad55437e777fb7e6b1745782dc205a4;hp=ce916dd2d39627452d222c7803ce74fe168a8a82;hpb=e362b51003ad60f4984bf7bed3bc02259db10546;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/cris-tdep.c b/gdb/cris-tdep.c index ce916dd2d3..30bcbfc074 100644 --- a/gdb/cris-tdep.c +++ b/gdb/cris-tdep.c @@ -1,6 +1,6 @@ /* Target dependent code for CRIS, for GDB, the GNU debugger. - Copyright (C) 2001-2013 Free Software Foundation, Inc. + Copyright (C) 2001-2014 Free Software Foundation, Inc. Contributed by Axis Communications AB. Written by Hendrik Ruijter, Stefan Andersson, and Orjan Friberg. @@ -34,6 +34,7 @@ #include "target.h" #include "value.h" #include "opcode/cris.h" +#include "osabi.h" #include "arch-utils.h" #include "regcache.h" #include "gdb_assert.h" @@ -42,9 +43,11 @@ #include "solib.h" /* Support for shared libraries. */ #include "solib-svr4.h" -#include "gdb_string.h" +#include #include "dis-asm.h" +#include "cris-tdep.h" + enum cris_num_regs { /* There are no floating point registers. Used in gdbserver low-linux.c. */ @@ -144,7 +147,7 @@ extern const struct cris_spec_reg cris_spec_regs[]; /* CRIS version, set via the user command 'set cris-version'. Affects register names and sizes. */ -static int usr_cmd_cris_version; +static unsigned int usr_cmd_cris_version; /* Indicates whether to trust the above variable. */ static int usr_cmd_cris_version_valid = 0; @@ -164,14 +167,6 @@ static const char *usr_cmd_cris_mode = cris_mode_normal; /* Whether to make use of Dwarf-2 CFI (default on). */ static int usr_cmd_cris_dwarf2_cfi = 1; -/* CRIS architecture specific information. */ -struct gdbarch_tdep -{ - int cris_version; - const char *cris_mode; - int cris_dwarf2_cfi; -}; - /* Sigtramp identification code copied from i386-linux-tdep.c. */ #define SIGTRAMP_INSN0 0x9c5f /* movu.w 0xXX, $r9 */ @@ -676,7 +671,7 @@ struct stack_item }; static struct stack_item * -push_stack_item (struct stack_item *prev, void *contents, int len) +push_stack_item (struct stack_item *prev, const gdb_byte *contents, int len) { struct stack_item *si; si = xmalloc (sizeof (struct stack_item)); @@ -850,12 +845,12 @@ cris_push_dummy_call (struct gdbarch *gdbarch, struct value *function, for (argnum = 0; argnum < nargs; argnum++) { int len; - char *val; + const gdb_byte *val; int reg_demand; int i; len = TYPE_LENGTH (value_type (args[argnum])); - val = (char *) value_contents (args[argnum]); + val = value_contents (args[argnum]); /* How may registers worth of storage do we need for this argument? */ reg_demand = (len / 4) + (len % 4 != 0 ? 1 : 0); @@ -1439,7 +1434,7 @@ cris_spec_reg_applicable (struct gdbarch *gdbarch, struct cris_spec_reg spec_reg) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); - int version = tdep->cris_version; + unsigned int version = tdep->cris_version; switch (spec_reg.applicable_version) { @@ -1657,7 +1652,7 @@ crisv32_register_type (struct gdbarch *gdbarch, int regno) static void cris_store_return_value (struct type *type, struct regcache *regcache, - const void *valbuf) + const gdb_byte *valbuf) { struct gdbarch *gdbarch = get_regcache_arch (regcache); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); @@ -1675,7 +1670,7 @@ cris_store_return_value (struct type *type, struct regcache *regcache, /* Put the return value in R10 and R11. */ val = extract_unsigned_integer (valbuf, 4, byte_order); regcache_cooked_write_unsigned (regcache, ARG1_REGNUM, val); - val = extract_unsigned_integer ((char *)valbuf + 4, len - 4, byte_order); + val = extract_unsigned_integer (valbuf + 4, len - 4, byte_order); regcache_cooked_write_unsigned (regcache, ARG2_REGNUM, val); } else @@ -1828,7 +1823,7 @@ cris_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum, static void cris_extract_return_value (struct type *type, struct regcache *regcache, - void *valbuf) + gdb_byte *valbuf) { struct gdbarch *gdbarch = get_regcache_arch (regcache); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); @@ -1847,7 +1842,7 @@ cris_extract_return_value (struct type *type, struct regcache *regcache, regcache_cooked_read_unsigned (regcache, ARG1_REGNUM, &val); store_unsigned_integer (valbuf, 4, byte_order, val); regcache_cooked_read_unsigned (regcache, ARG2_REGNUM, &val); - store_unsigned_integer ((char *)valbuf + 4, len - 4, byte_order, val); + store_unsigned_integer (valbuf + 4, len - 4, byte_order, val); } else error (_("cris_extract_return_value: type length too large")); @@ -1879,13 +1874,13 @@ cris_return_value (struct gdbarch *gdbarch, struct value *function, instruction. It stems from cris_constraint, found in cris-dis.c. */ static int -constraint (unsigned int insn, const signed char *inst_args, +constraint (unsigned int insn, const char *inst_args, inst_env_type *inst_env) { int retval = 0; int tmp, i; - const char *s = inst_args; + const gdb_byte *s = (const gdb_byte *) inst_args; for (; *s; s++) switch (*s) @@ -3819,25 +3814,25 @@ cris_delayed_get_disassembler (bfd_vma addr, struct disassemble_info *info) return print_insn (addr, info); } -/* Copied from . */ -typedef unsigned long elf_greg_t; +/* Originally from . */ +typedef unsigned char cris_elf_greg_t[4]; /* Same as user_regs_struct struct in . */ #define CRISV10_ELF_NGREG 35 -typedef elf_greg_t elf_gregset_t[CRISV10_ELF_NGREG]; +typedef cris_elf_greg_t cris_elf_gregset_t[CRISV10_ELF_NGREG]; #define CRISV32_ELF_NGREG 32 -typedef elf_greg_t crisv32_elf_gregset_t[CRISV32_ELF_NGREG]; +typedef cris_elf_greg_t crisv32_elf_gregset_t[CRISV32_ELF_NGREG]; -/* Unpack an elf_gregset_t into GDB's register cache. */ +/* Unpack a cris_elf_gregset_t into GDB's register cache. */ static void -cris_supply_gregset (struct regcache *regcache, elf_gregset_t *gregsetp) +cris_supply_gregset (struct regcache *regcache, cris_elf_gregset_t *gregsetp) { struct gdbarch *gdbarch = get_regcache_arch (regcache); struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); int i; - elf_greg_t *regp = *gregsetp; + cris_elf_greg_t *regp = *gregsetp; static char zerobuf[4] = {0}; /* The kernel dumps all 32 registers as unsigned longs, but supply_register @@ -3868,12 +3863,12 @@ fetch_core_registers (struct regcache *regcache, char *core_reg_sect, unsigned core_reg_size, int which, CORE_ADDR reg_addr) { - elf_gregset_t gregset; + cris_elf_gregset_t gregset; switch (which) { case 0: - if (core_reg_size != sizeof (elf_gregset_t) + if (core_reg_size != sizeof (cris_elf_gregset_t) && core_reg_size != sizeof (crisv32_elf_gregset_t)) { warning (_("wrong size gregset struct in core file")); @@ -3914,17 +3909,17 @@ _initialize_cris_tdep (void) gdbarch_register (bfd_arch_cris, cris_gdbarch_init, cris_dump_tdep); /* CRIS-specific user-commands. */ - add_setshow_uinteger_cmd ("cris-version", class_support, - &usr_cmd_cris_version, - _("Set the current CRIS version."), - _("Show the current CRIS version."), - _("\ + add_setshow_zuinteger_cmd ("cris-version", class_support, + &usr_cmd_cris_version, + _("Set the current CRIS version."), + _("Show the current CRIS version."), + _("\ Set to 10 for CRISv10 or 32 for CRISv32 if autodetection fails.\n\ Defaults to 10. "), - set_cris_version, - NULL, /* FIXME: i18n: Current CRIS version - is %s. */ - &setlist, &showlist); + set_cris_version, + NULL, /* FIXME: i18n: Current CRIS version + is %s. */ + &setlist, &showlist); add_setshow_enum_cmd ("cris-mode", class_support, cris_modes, &usr_cmd_cris_mode, @@ -4013,7 +4008,7 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) { struct gdbarch *gdbarch; struct gdbarch_tdep *tdep; - int cris_version; + unsigned int cris_version; if (usr_cmd_cris_version_valid) { @@ -4176,9 +4171,9 @@ cris_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) frame_unwind_append_unwinder (gdbarch, &cris_frame_unwind); frame_base_set_default (gdbarch, &cris_frame_base); - set_solib_svr4_fetch_link_map_offsets - (gdbarch, svr4_ilp32_fetch_link_map_offsets); - + /* Hook in ABI-specific overrides, if they have been registered. */ + gdbarch_init_osabi (info, gdbarch); + /* FIXME: cagney/2003-08-27: It should be possible to select a CRIS disassembler, even when there is no BFD. Does something like "gdb; target remote; disassmeble *0x123" work? */