/* Target-dependent code for Solaris x86.
- Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002-2022 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "value.h"
#include "osabi.h"
-#include "gdb_string.h"
-
#include "sol2-tdep.h"
#include "i386-tdep.h"
#include "solib-svr4.h"
0 * 4 /* %gs */
};
-/* Return whether the frame preceding NEXT_FRAME corresponds to a
- Solaris sigtramp routine. */
-
-static int
-i386_sol2_sigtramp_p (struct frame_info *next_frame)
-{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
- char *name;
-
- find_pc_partial_function (pc, &name, NULL, NULL);
- return (name && (strcmp ("sigacthandler", name) == 0
- || strcmp (name, "ucbsigvechandler") == 0));
-}
-
/* Solaris doesn't have a `struct sigcontext', but it does have a
`mcontext_t' that contains the saved set of machine registers. */
static CORE_ADDR
-i386_sol2_mcontext_addr (struct frame_info *next_frame)
+i386_sol2_mcontext_addr (struct frame_info *this_frame)
{
CORE_ADDR sp, ucontext_addr;
- sp = frame_unwind_register_unsigned (next_frame, I386_ESP_REGNUM);
- ucontext_addr = get_frame_memory_unsigned (next_frame, sp + 8, 4);
+ sp = get_frame_register_unsigned (this_frame, I386_ESP_REGNUM);
+ ucontext_addr = get_frame_memory_unsigned (this_frame, sp + 8, 4);
return ucontext_addr + 36;
}
static void
i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ i386_gdbarch_tdep *tdep = (i386_gdbarch_tdep *) gdbarch_tdep (gdbarch);
/* Solaris is SVR4-based. */
i386_svr4_init_abi (info, gdbarch);
+ sol2_init_abi (info, gdbarch);
+
/* Solaris reserves space for its FPU emulator in `fpregset_t'.
There is also some space reserved for the registers of a Weitek
math coprocessor. */
tdep->sizeof_fpregset = 380;
/* Signal trampolines are slightly different from SVR4. */
- tdep->sigtramp_p = i386_sol2_sigtramp_p;
+ tdep->sigtramp_p = sol2_sigtramp_p;
tdep->sigcontext_addr = i386_sol2_mcontext_addr;
tdep->sc_reg_offset = tdep->gregset_reg_offset;
tdep->sc_num_regs = tdep->gregset_num_regs;
/* Solaris has SVR4-style shared libraries. */
- set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
return GDB_OSABI_UNKNOWN;
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_i386_sol2_tdep (void);
-
+void _initialize_i386_sol2_tdep ();
void
-_initialize_i386_sol2_tdep (void)
+_initialize_i386_sol2_tdep ()
{
/* Register an ELF OS ABI sniffer for Solaris 2 binaries. */
gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,