X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;ds=sidebyside;f=gdb%2Fgdbserver%2Flinux-xtensa-low.c;h=4dacceebc718e5a5af576ca80753e8ef83f880ba;hb=835a09d99d585bfdc9f760970908e10bd8b2fec2;hp=2c11418e5844245dc8f81acd01448636eaabec5f;hpb=28e7fd62340426746f9c896cbc40c5d374ec47aa;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbserver/linux-xtensa-low.c b/gdb/gdbserver/linux-xtensa-low.c index 2c11418e58..4dacceebc7 100644 --- a/gdb/gdbserver/linux-xtensa-low.c +++ b/gdb/gdbserver/linux-xtensa-low.c @@ -1,5 +1,5 @@ /* GNU/Linux/Xtensa specific low level interface, for the remote server for GDB. - Copyright 2007-2013 Free Software Foundation, Inc. + Copyright (C) 2007-2015 Free Software Foundation, Inc. This file is part of GDB. @@ -22,8 +22,9 @@ /* Defined in auto-generated file reg-xtensa.c. */ void init_registers_xtensa (void); +extern const struct target_desc *tdesc_xtensa; -#include +#include #include #include "xtensa-xtregs.c" @@ -40,24 +41,25 @@ static void xtensa_fill_gregset (struct regcache *regcache, void *buf) { elf_greg_t* rset = (elf_greg_t*)buf; + const struct target_desc *tdesc = regcache->tdesc; int ar0_regnum; char *ptr; int i; /* Take care of AR registers. */ - ar0_regnum = find_regno ("ar0"); + ar0_regnum = find_regno (tdesc, "ar0"); ptr = (char*)&rset[R_A0]; for (i = ar0_regnum; i < ar0_regnum + XCHAL_NUM_AREGS; i++) { collect_register (regcache, i, ptr); - ptr += register_size(i); + ptr += register_size (tdesc, i); } /* Loop registers, if hardware has it. */ -#if XCHAL_HAVE_LOOP +#if XCHAL_HAVE_LOOPS collect_register_by_name (regcache, "lbeg", (char*)&rset[R_LBEG]); collect_register_by_name (regcache, "lend", (char*)&rset[R_LEND]); collect_register_by_name (regcache, "lcount", (char*)&rset[R_LCOUNT]); @@ -74,24 +76,25 @@ static void xtensa_store_gregset (struct regcache *regcache, const void *buf) { const elf_greg_t* rset = (const elf_greg_t*)buf; + const struct target_desc *tdesc = regcache->tdesc; int ar0_regnum; char *ptr; int i; /* Take care of AR registers. */ - ar0_regnum = find_regno ("ar0"); + ar0_regnum = find_regno (tdesc, "ar0"); ptr = (char *)&rset[R_A0]; for (i = ar0_regnum; i < ar0_regnum + XCHAL_NUM_AREGS; i++) { supply_register (regcache, i, ptr); - ptr += register_size(i); + ptr += register_size (tdesc, i); } /* Loop registers, if hardware has it. */ -#if XCHAL_HAVE_LOOP +#if XCHAL_HAVE_LOOPS supply_register_by_name (regcache, "lbeg", (char*)&rset[R_LBEG]); supply_register_by_name (regcache, "lend", (char*)&rset[R_LEND]); supply_register_by_name (regcache, "lcount", (char*)&rset[R_LCOUNT]); @@ -130,7 +133,7 @@ xtensa_store_xtregset (struct regcache *regcache, const void *buf) } } -struct regset_info target_regsets[] = { +static struct regset_info xtensa_regsets[] = { { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t), GENERAL_REGS, xtensa_fill_gregset, xtensa_store_gregset }, @@ -176,11 +179,35 @@ xtensa_breakpoint_at (CORE_ADDR where) xtensa_breakpoint, xtensa_breakpoint_len) == 0; } +static struct regsets_info xtensa_regsets_info = + { + xtensa_regsets, /* regsets */ + 0, /* num_regsets */ + NULL, /* disabled_regsets */ + }; + +static struct regs_info regs_info = + { + NULL, /* regset_bitmap */ + NULL, /* usrregs */ + &xtensa_regsets_info + }; + +static void +xtensa_arch_setup (void) +{ + current_process ()->tdesc = tdesc_xtensa; +} + +static const struct regs_info * +xtensa_regs_info (void) +{ + return ®s_info; +} + struct linux_target_ops the_low_target = { - init_registers_xtensa, - 0, - 0, - NULL, + xtensa_arch_setup, + xtensa_regs_info, 0, 0, NULL, /* fetch_register */ @@ -192,3 +219,13 @@ struct linux_target_ops the_low_target = { 0, xtensa_breakpoint_at, }; + + +void +initialize_low_arch (void) +{ + /* Initialize the Linux target descriptions. */ + init_registers_xtensa (); + + initialize_regsets_info (&xtensa_regsets_info); +}