/* Target-dependent code for Solaris x86.
- Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of GDB.
#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;
}
/* 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,