X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftilegx-linux-tdep.c;h=ce76cb4167d974d78464e4b430bd8e9aad4316ab;hb=ec8f76882145c71bef81a9cadf0bf51ff9fa5b35;hp=abcc9435f9fb513cb5c03485f1c392ec6691b878;hpb=4aaf25031b9372b24fa813709dd310724696a5bf;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/tilegx-linux-tdep.c b/gdb/tilegx-linux-tdep.c index abcc9435f9..ce76cb4167 100644 --- a/gdb/tilegx-linux-tdep.c +++ b/gdb/tilegx-linux-tdep.c @@ -1,6 +1,6 @@ /* Target-dependent code for GNU/Linux on Tilera TILE-Gx processors. - Copyright (C) 2012-2013 Free Software Foundation, Inc. + Copyright (C) 2012-2016 Free Software Foundation, Inc. This file is part of GDB. @@ -37,7 +37,6 @@ tilegx_linux_sigframe_init (const struct tramp_frame *self, struct trad_frame_cache *this_cache, CORE_ADDR func) { - CORE_ADDR pc = get_frame_register_unsigned (this_frame, 64); CORE_ADDR sp = get_frame_register_unsigned (this_frame, 54); /* Base address of register save area. */ @@ -73,45 +72,35 @@ static const struct tramp_frame tilegx_linux_rt_sigframe = tilegx_linux_sigframe_init }; -/* Supply raw registers from REGCACHE to REGS. */ +/* Register map; must match struct pt_regs in "ptrace.h". */ -static void -tilegx_linux_supply_regset (const struct regset *regset, - struct regcache *regcache, - int regnum, const void *regs, size_t len) -{ - struct gdbarch *arch = get_regcache_arch (regcache); - const char *ptr = regs; - int i; - - /* This logic must match that of struct pt_regs in "ptrace.h". */ - for (i = 0; i < TILEGX_NUM_EASY_REGS + 2; i++, ptr += tilegx_reg_size) - { - int gri = (i < TILEGX_NUM_EASY_REGS) - ? i : (i == TILEGX_NUM_EASY_REGS) - ? TILEGX_PC_REGNUM : TILEGX_FAULTNUM_REGNUM; +static const struct regcache_map_entry tilegx_linux_regmap[] = + { + { TILEGX_NUM_EASY_REGS, TILEGX_FIRST_EASY_REGNUM, 8 }, + { 1, TILEGX_PC_REGNUM, 8 }, + { 1, TILEGX_FAULTNUM_REGNUM, 8 }, + { 0 } + }; - if (regnum == gri || regnum == -1) - regcache_raw_supply (regcache, gri, ptr); - } -} +#define TILEGX_LINUX_SIZEOF_GREGSET (64 * 8) /* TILE-Gx Linux kernel register set. */ -static struct regset tilegx_linux_regset = + +static const struct regset tilegx_linux_regset = { - NULL, - tilegx_linux_supply_regset + tilegx_linux_regmap, + regcache_supply_regset, regcache_collect_regset }; -static const struct regset * -tilegx_regset_from_core_section (struct gdbarch *gdbarch, - const char *sect_name, - size_t sect_size) -{ - if (strcmp (sect_name, ".reg") == 0) - return &tilegx_linux_regset; - return NULL; +static void +tilegx_iterate_over_regset_sections (struct gdbarch *gdbarch, + iterate_over_regset_sections_cb *cb, + void *cb_data, + const struct regcache *regcache) +{ + cb (".reg", TILEGX_LINUX_SIZEOF_GREGSET, &tilegx_linux_regset, + NULL, cb_data); } /* OS specific initialization of gdbarch. */ @@ -125,8 +114,8 @@ tilegx_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tramp_frame_prepend_unwinder (gdbarch, &tilegx_linux_rt_sigframe); - set_gdbarch_regset_from_core_section (gdbarch, - tilegx_regset_from_core_section); + set_gdbarch_iterate_over_regset_sections + (gdbarch, tilegx_iterate_over_regset_sections); /* GNU/Linux uses SVR4-style shared libraries. */ if (arch_size == 32) @@ -143,8 +132,6 @@ tilegx_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Shared library handling. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); - - set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type); } /* Provide a prototype to silence -Wmissing-prototypes. */