/* Target-dependent code for GNU/Linux SPARC.
- Copyright 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003-2020 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "floatformat.h"
+#include "dwarf2/frame.h"
#include "frame.h"
#include "frame-unwind.h"
+#include "gdbtypes.h"
+#include "regset.h"
#include "gdbarch.h"
#include "gdbcore.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "symtab.h"
#include "trad-frame.h"
+#include "tramp-frame.h"
+#include "xml-syscall.h"
+#include "linux-tdep.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
+/* The syscall's XML filename for sparc 32-bit. */
+#define XML_SYSCALL_FILENAME_SPARC32 "syscalls/sparc-linux.xml"
#include "sparc-tdep.h"
-/* Recognizing signal handler frames. */
+/* Signal trampoline support. */
+
+static void sparc32_linux_sigframe_init (const struct tramp_frame *self,
+ struct frame_info *this_frame,
+ struct trad_frame_cache *this_cache,
+ CORE_ADDR func);
/* GNU/Linux has two flavors of signals. Normal signal handlers, and
"realtime" (RT) signals. The RT signals can provide additional
/* When the sparc Linux kernel calls a signal handler and the
SA_RESTORER flag isn't set, the return address points to a bit of
- code on the stack. This function returns whether the PC appears to
- be within this bit of code.
-
- The instruction sequence for normal signals is
- mov __NR_sigreturn, %g1 ! hex: 0x821020d8
- ta 0x10 ! hex: 0x91d02010
+ code on the stack. This code checks whether the PC appears to be
+ within this bit of code.
+ The instruction sequence for normal signals is encoded below.
Checking for the code sequence should be somewhat reliable, because
the effect is to call the system call sigreturn. This is unlikely
- to occur anywhere other than a signal trampoline.
+ to occur anywhere other than a signal trampoline. */
- It kind of sucks that we have to read memory from the process in
- order to identify a signal trampoline, but there doesn't seem to be
- any other way. However, sparc32_linux_pc_in_sigtramp arranges to
- only call us if no function name could be identified, which should
- be the case since the code is on the stack. */
+static const struct tramp_frame sparc32_linux_sigframe =
+{
+ SIGTRAMP_FRAME,
+ 4,
+ {
+ { 0x821020d8, ULONGEST_MAX }, /* mov __NR_sigreturn, %g1 */
+ { 0x91d02010, ULONGEST_MAX }, /* ta 0x10 */
+ { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
+ },
+ sparc32_linux_sigframe_init
+};
-#define LINUX32_SIGTRAMP_INSN0 0x821020d8 /* mov __NR_sigreturn, %g1 */
-#define LINUX32_SIGTRAMP_INSN1 0x91d02010 /* ta 0x10 */
+/* The instruction sequence for RT signals is slightly different. The
+ effect is to call the system call rt_sigreturn. */
-/* The instruction sequence for RT signals is
- mov __NR_rt_sigreturn, %g1 ! hex: 0x82102065
- ta {0x10,0x6d} ! hex: 0x91d02010 or 0x91d0206d
+static const struct tramp_frame sparc32_linux_rt_sigframe =
+{
+ SIGTRAMP_FRAME,
+ 4,
+ {
+ { 0x82102065, ULONGEST_MAX }, /* mov __NR_rt_sigreturn, %g1 */
+ { 0x91d02010, ULONGEST_MAX }, /* ta 0x10 */
+ { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
+ },
+ sparc32_linux_sigframe_init
+};
+
+/* This enum represents the signals' numbers on the SPARC
+ architecture. It just contains the signal definitions which are
+ different from the generic implementation.
+
+ It is derived from the file <arch/sparc/include/uapi/asm/signal.h>,
+ from the Linux kernel tree. */
+
+enum
+ {
+ SPARC_LINUX_SIGEMT = 7,
+ SPARC_LINUX_SIGBUS = 10,
+ SPARC_LINUX_SIGSYS = 12,
+ SPARC_LINUX_SIGURG = 16,
+ SPARC_LINUX_SIGSTOP = 17,
+ SPARC_LINUX_SIGTSTP = 18,
+ SPARC_LINUX_SIGCONT = 19,
+ SPARC_LINUX_SIGCHLD = 20,
+ SPARC_LINUX_SIGIO = 23,
+ SPARC_LINUX_SIGPOLL = SPARC_LINUX_SIGIO,
+ SPARC_LINUX_SIGLOST = 29,
+ SPARC_LINUX_SIGPWR = SPARC_LINUX_SIGLOST,
+ SPARC_LINUX_SIGUSR1 = 30,
+ SPARC_LINUX_SIGUSR2 = 31,
+ };
+
+static void
+sparc32_linux_sigframe_init (const struct tramp_frame *self,
+ struct frame_info *this_frame,
+ struct trad_frame_cache *this_cache,
+ CORE_ADDR func)
+{
+ CORE_ADDR base, addr, sp_addr;
+ int regnum;
- The effect is to call the system call rt_sigreturn. The trap number
- is variable based upon whether this is a 32-bit or 64-bit sparc binary.
- Note that 64-bit binaries only use this RT signal return method. */
+ base = get_frame_register_unsigned (this_frame, SPARC_O1_REGNUM);
+ if (self == &sparc32_linux_rt_sigframe)
+ base += 128;
-#define LINUX32_RT_SIGTRAMP_INSN0 0x82102065
-#define LINUX32_RT_SIGTRAMP_INSN1 0x91d02010
+ /* Offsets from <bits/sigcontext.h>. */
-/* If PC is in a sigtramp routine consisting of the instructions INSN0
- and INSN1, return the address of the start of the routine.
- Otherwise, return 0. */
+ trad_frame_set_reg_addr (this_cache, SPARC32_PSR_REGNUM, base + 0);
+ trad_frame_set_reg_addr (this_cache, SPARC32_PC_REGNUM, base + 4);
+ trad_frame_set_reg_addr (this_cache, SPARC32_NPC_REGNUM, base + 8);
+ trad_frame_set_reg_addr (this_cache, SPARC32_Y_REGNUM, base + 12);
-CORE_ADDR
-sparc_linux_sigtramp_start (struct frame_info *next_frame,
- ULONGEST insn0, ULONGEST insn1)
+ /* Since %g0 is always zero, keep the identity encoding. */
+ addr = base + 20;
+ sp_addr = base + 16 + ((SPARC_SP_REGNUM - SPARC_G0_REGNUM) * 4);
+ for (regnum = SPARC_G1_REGNUM; regnum <= SPARC_O7_REGNUM; regnum++)
+ {
+ trad_frame_set_reg_addr (this_cache, regnum, addr);
+ addr += 4;
+ }
+
+ base = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
+ addr = get_frame_memory_unsigned (this_frame, sp_addr, 4);
+
+ for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
+ {
+ trad_frame_set_reg_addr (this_cache, regnum, addr);
+ addr += 4;
+ }
+ trad_frame_set_id (this_cache, frame_id_build (base, func));
+}
+\f
+/* Return the address of a system call's alternative return
+ address. */
+
+static CORE_ADDR
+sparc32_linux_step_trap (struct frame_info *frame, unsigned long insn)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
- ULONGEST word0, word1;
- unsigned char buf[8]; /* Two instructions. */
-
- /* We only recognize a signal trampoline if PC is at the start of
- one of the instructions. We optimize for finding the PC at the
- start of the instruction sequence, as will be the case when the
- trampoline is not the first frame on the stack. We assume that
- in the case where the PC is not at the start of the instruction
- sequence, there will be a few trailing readable bytes on the
- stack. */
-
- if (!safe_frame_unwind_memory (next_frame, pc, buf, sizeof buf))
- return 0;
-
- word0 = extract_unsigned_integer (buf, 4);
- if (word0 != insn0)
+ if (insn == 0x91d02010)
{
- if (word0 != insn1)
- return 0;
+ ULONGEST sc_num = get_frame_register_unsigned (frame, SPARC_G1_REGNUM);
+
+ /* __NR_rt_sigreturn is 101 and __NR_sigreturn is 216. */
+ if (sc_num == 101 || sc_num == 216)
+ {
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- pc -= 4;
- if (!safe_frame_unwind_memory (next_frame, pc, buf, sizeof buf))
- return 0;
+ ULONGEST sp, pc_offset;
- word0 = extract_unsigned_integer (buf, 4);
+ sp = get_frame_register_unsigned (frame, SPARC_SP_REGNUM);
+
+ /* The kernel puts the sigreturn registers on the stack,
+ and this is where the signal unwinding state is take from
+ when returning from a signal.
+
+ For __NR_sigreturn, this register area sits 96 bytes from
+ the base of the stack. The saved PC sits 4 bytes into the
+ sigreturn register save area.
+
+ For __NR_rt_sigreturn a siginfo_t, which is 128 bytes, sits
+ right before the sigreturn register save area. */
+
+ pc_offset = 96 + 4;
+ if (sc_num == 101)
+ pc_offset += 128;
+
+ return read_memory_unsigned_integer (sp + pc_offset, 4, byte_order);
+ }
}
- word1 = extract_unsigned_integer (buf + 4, 4);
- if (word0 != insn0 || word1 != insn1)
- return 0;
+ return 0;
+}
+\f
+
+const struct sparc_gregmap sparc32_linux_core_gregmap =
+{
+ 32 * 4, /* %psr */
+ 33 * 4, /* %pc */
+ 34 * 4, /* %npc */
+ 35 * 4, /* %y */
+ -1, /* %wim */
+ -1, /* %tbr */
+ 1 * 4, /* %g1 */
+ 16 * 4, /* %l0 */
+ 4, /* y size */
+};
+\f
- return pc;
+static void
+sparc32_linux_supply_core_gregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ sparc32_supply_gregset (&sparc32_linux_core_gregmap,
+ regcache, regnum, gregs);
}
-static CORE_ADDR
-sparc32_linux_sigtramp_start (struct frame_info *next_frame)
+static void
+sparc32_linux_collect_core_gregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
{
- return sparc_linux_sigtramp_start (next_frame, LINUX32_SIGTRAMP_INSN0,
- LINUX32_SIGTRAMP_INSN1);
+ sparc32_collect_gregset (&sparc32_linux_core_gregmap,
+ regcache, regnum, gregs);
}
-static CORE_ADDR
-sparc32_linux_rt_sigtramp_start (struct frame_info *next_frame)
+static void
+sparc32_linux_supply_core_fpregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *fpregs, size_t len)
{
- return sparc_linux_sigtramp_start (next_frame, LINUX32_RT_SIGTRAMP_INSN0,
- LINUX32_RT_SIGTRAMP_INSN1);
+ sparc32_supply_fpregset (&sparc32_bsd_fpregmap, regcache, regnum, fpregs);
}
-static int
-sparc32_linux_sigtramp_p (struct frame_info *next_frame)
+static void
+sparc32_linux_collect_core_fpregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *fpregs, size_t len)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
- char *name;
-
- find_pc_partial_function (pc, &name, NULL, NULL);
-
- /* If we have NAME, we can optimize the search. The trampolines are
- named __restore and __restore_rt. However, they aren't dynamically
- exported from the shared C library, so the trampoline may appear to
- be part of the preceding function. This should always be sigaction,
- __sigaction, or __libc_sigaction (all aliases to the same function). */
- if (name == NULL || strstr (name, "sigaction") != NULL)
- return (sparc32_linux_sigtramp_start (next_frame) != 0
- || sparc32_linux_rt_sigtramp_start (next_frame) != 0);
-
- return (strcmp ("__restore", name) == 0
- || strcmp ("__restore_rt", name) == 0);
+ sparc32_collect_fpregset (&sparc32_bsd_fpregmap, regcache, regnum, fpregs);
}
-static struct sparc_frame_cache *
-sparc32_linux_sigtramp_frame_cache (struct frame_info *next_frame,
- void **this_cache)
+/* Set the program counter for process PTID to PC. */
+
+#define PSR_SYSCALL 0x00004000
+
+static void
+sparc_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
{
- struct sparc_frame_cache *cache;
- CORE_ADDR sigcontext_addr, addr;
- int regnum;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (regcache->arch ());
+ ULONGEST psr;
+
+ regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
+ regcache_cooked_write_unsigned (regcache, tdep->npc_regnum, pc + 4);
+
+ /* Clear the "in syscall" bit to prevent the kernel from
+ messing with the PCs we just installed, if we happen to be
+ within an interrupted system call that the kernel wants to
+ restart.
+
+ Note that after we return from the dummy call, the PSR et al.
+ registers will be automatically restored, and the kernel
+ continues to restart the system call at this point. */
+ regcache_cooked_read_unsigned (regcache, SPARC32_PSR_REGNUM, &psr);
+ psr &= ~PSR_SYSCALL;
+ regcache_cooked_write_unsigned (regcache, SPARC32_PSR_REGNUM, psr);
+}
- if (*this_cache)
- return *this_cache;
+static LONGEST
+sparc32_linux_get_syscall_number (struct gdbarch *gdbarch,
+ thread_info *thread)
+{
+ struct regcache *regcache = get_thread_regcache (thread);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ /* The content of a register. */
+ gdb_byte buf[4];
+ /* The result. */
+ LONGEST ret;
+
+ /* Getting the system call number from the register.
+ When dealing with the sparc architecture, this information
+ is stored at the %g1 register. */
+ regcache->cooked_read (SPARC_G1_REGNUM, buf);
- cache = sparc32_frame_cache (next_frame, this_cache);
- gdb_assert (cache == *this_cache);
+ ret = extract_signed_integer (buf, 4, byte_order);
- /* ??? What about signal trampolines that aren't frameless? */
- regnum = SPARC_SP_REGNUM;
- cache->base = frame_unwind_register_unsigned (next_frame, regnum);
+ return ret;
+}
- regnum = SPARC_O1_REGNUM;
- sigcontext_addr = frame_unwind_register_unsigned (next_frame, regnum);
+/* Implementation of `gdbarch_gdb_signal_from_target', as defined in
+ gdbarch.h. */
- addr = sparc32_linux_sigtramp_start (next_frame);
- if (addr == 0)
+static enum gdb_signal
+sparc32_linux_gdb_signal_from_target (struct gdbarch *gdbarch,
+ int signal)
+{
+ switch (signal)
{
- /* If this is a RT signal trampoline, adjust SIGCONTEXT_ADDR
- accordingly. */
- addr = sparc32_linux_rt_sigtramp_start (next_frame);
- if (addr)
- sigcontext_addr += 128;
- else
- addr = frame_func_unwind (next_frame);
- }
- cache->pc = addr;
+ case SPARC_LINUX_SIGEMT:
+ return GDB_SIGNAL_EMT;
- cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+ case SPARC_LINUX_SIGBUS:
+ return GDB_SIGNAL_BUS;
- cache->saved_regs[SPARC32_PSR_REGNUM].addr = sigcontext_addr + 0;
- cache->saved_regs[SPARC32_PC_REGNUM].addr = sigcontext_addr + 4;
- cache->saved_regs[SPARC32_NPC_REGNUM].addr = sigcontext_addr + 8;
- cache->saved_regs[SPARC32_Y_REGNUM].addr = sigcontext_addr + 12;
+ case SPARC_LINUX_SIGSYS:
+ return GDB_SIGNAL_SYS;
- /* Since %g0 is always zero, keep the identity encoding. */
- for (regnum = SPARC_G1_REGNUM, addr = sigcontext_addr + 20;
- regnum <= SPARC_O7_REGNUM; regnum++, addr += 4)
- cache->saved_regs[regnum].addr = addr;
+ case SPARC_LINUX_SIGURG:
+ return GDB_SIGNAL_URG;
- for (regnum = SPARC_L0_REGNUM, addr = cache->base;
- regnum <= SPARC_I7_REGNUM; regnum++, addr += 4)
- cache->saved_regs[regnum].addr = addr;
+ case SPARC_LINUX_SIGSTOP:
+ return GDB_SIGNAL_STOP;
- return cache;
-}
+ case SPARC_LINUX_SIGTSTP:
+ return GDB_SIGNAL_TSTP;
-static void
-sparc32_linux_sigtramp_frame_this_id (struct frame_info *next_frame,
- void **this_cache,
- struct frame_id *this_id)
-{
- struct sparc_frame_cache *cache =
- sparc32_linux_sigtramp_frame_cache (next_frame, this_cache);
+ case SPARC_LINUX_SIGCONT:
+ return GDB_SIGNAL_CONT;
- (*this_id) = frame_id_build (cache->base, cache->pc);
-}
+ case SPARC_LINUX_SIGCHLD:
+ return GDB_SIGNAL_CHLD;
-static void
-sparc32_linux_sigtramp_frame_prev_register (struct frame_info *next_frame,
- void **this_cache,
- int regnum, int *optimizedp,
- enum lval_type *lvalp,
- CORE_ADDR *addrp,
- int *realnump, void *valuep)
-{
- struct sparc_frame_cache *cache =
- sparc32_linux_sigtramp_frame_cache (next_frame, this_cache);
+ /* No way to differentiate between SIGIO and SIGPOLL.
+ Therefore, we just handle the first one. */
+ case SPARC_LINUX_SIGIO:
+ return GDB_SIGNAL_IO;
- trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, valuep);
+ /* No way to differentiate between SIGLOST and SIGPWR.
+ Therefore, we just handle the first one. */
+ case SPARC_LINUX_SIGLOST:
+ return GDB_SIGNAL_LOST;
+
+ case SPARC_LINUX_SIGUSR1:
+ return GDB_SIGNAL_USR1;
+
+ case SPARC_LINUX_SIGUSR2:
+ return GDB_SIGNAL_USR2;
+ }
+
+ return linux_gdb_signal_from_target (gdbarch, signal);
}
-static const struct frame_unwind sparc32_linux_sigtramp_frame_unwind =
-{
- SIGTRAMP_FRAME,
- sparc32_linux_sigtramp_frame_this_id,
- sparc32_linux_sigtramp_frame_prev_register
-};
+/* Implementation of `gdbarch_gdb_signal_to_target', as defined in
+ gdbarch.h. */
-static const struct frame_unwind *
-sparc32_linux_sigtramp_frame_sniffer (struct frame_info *next_frame)
+static int
+sparc32_linux_gdb_signal_to_target (struct gdbarch *gdbarch,
+ enum gdb_signal signal)
{
- if (sparc32_linux_sigtramp_p (next_frame))
- return &sparc32_linux_sigtramp_frame_unwind;
+ switch (signal)
+ {
+ case GDB_SIGNAL_EMT:
+ return SPARC_LINUX_SIGEMT;
+
+ case GDB_SIGNAL_BUS:
+ return SPARC_LINUX_SIGBUS;
+
+ case GDB_SIGNAL_SYS:
+ return SPARC_LINUX_SIGSYS;
+
+ case GDB_SIGNAL_URG:
+ return SPARC_LINUX_SIGURG;
- return NULL;
+ case GDB_SIGNAL_STOP:
+ return SPARC_LINUX_SIGSTOP;
+
+ case GDB_SIGNAL_TSTP:
+ return SPARC_LINUX_SIGTSTP;
+
+ case GDB_SIGNAL_CONT:
+ return SPARC_LINUX_SIGCONT;
+
+ case GDB_SIGNAL_CHLD:
+ return SPARC_LINUX_SIGCHLD;
+
+ case GDB_SIGNAL_IO:
+ return SPARC_LINUX_SIGIO;
+
+ case GDB_SIGNAL_POLL:
+ return SPARC_LINUX_SIGPOLL;
+
+ case GDB_SIGNAL_LOST:
+ return SPARC_LINUX_SIGLOST;
+
+ case GDB_SIGNAL_PWR:
+ return SPARC_LINUX_SIGPWR;
+
+ case GDB_SIGNAL_USR1:
+ return SPARC_LINUX_SIGUSR1;
+
+ case GDB_SIGNAL_USR2:
+ return SPARC_LINUX_SIGUSR2;
+ }
+
+ return linux_gdb_signal_to_target (gdbarch, signal);
}
+
\f
+static const struct regset sparc32_linux_gregset =
+ {
+ NULL,
+ sparc32_linux_supply_core_gregset,
+ sparc32_linux_collect_core_gregset
+ };
+
+static const struct regset sparc32_linux_fpregset =
+ {
+ NULL,
+ sparc32_linux_supply_core_fpregset,
+ sparc32_linux_collect_core_fpregset
+ };
+
static void
sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
- /* GNU/Linux is very similar to Solaris ... */
- sparc32_sol2_init_abi (info, gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- /* ... but doesn't have kernel-assisted single-stepping support. */
- set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
+ linux_init_abi (info, gdbarch);
- /* GNU/Linux doesn't support the 128-bit `long double' from the psABI. */
- set_gdbarch_long_double_bit (gdbarch, 64);
- set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_double_big);
+ tdep->gregset = &sparc32_linux_gregset;
+ tdep->sizeof_gregset = 152;
- frame_unwind_append_sniffer (gdbarch, sparc32_linux_sigtramp_frame_sniffer);
-}
+ tdep->fpregset = &sparc32_linux_fpregset;
+ tdep->sizeof_fpregset = 396;
+
+ tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_sigframe);
+ tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_rt_sigframe);
+
+ /* GNU/Linux has SVR4-style shared libraries... */
+ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
+ set_solib_svr4_fetch_link_map_offsets
+ (gdbarch, svr4_ilp32_fetch_link_map_offsets);
+
+ /* ...which means that we need some special handling when doing
+ prologue analysis. */
+ tdep->plt_entry_size = 12;
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern void _initialize_sparc_linux_tdep (void);
+ /* Enable TLS support. */
+ set_gdbarch_fetch_tls_load_module_address (gdbarch,
+ svr4_fetch_objfile_link_map);
+
+ /* Make sure we can single-step over signal return system calls. */
+ tdep->step_trap = sparc32_linux_step_trap;
+
+ /* Hook in the DWARF CFI frame unwinder. */
+ dwarf2_append_unwinders (gdbarch);
+
+ set_gdbarch_write_pc (gdbarch, sparc_linux_write_pc);
+
+ /* Functions for 'catch syscall'. */
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_SPARC32);
+ set_gdbarch_get_syscall_number (gdbarch,
+ sparc32_linux_get_syscall_number);
+
+ set_gdbarch_gdb_signal_from_target (gdbarch,
+ sparc32_linux_gdb_signal_from_target);
+ set_gdbarch_gdb_signal_to_target (gdbarch,
+ sparc32_linux_gdb_signal_to_target);
+}
+void _initialize_sparc_linux_tdep ();
void
-_initialize_sparc_linux_tdep (void)
+_initialize_sparc_linux_tdep ()
{
gdbarch_register_osabi (bfd_arch_sparc, 0, GDB_OSABI_LINUX,
sparc32_linux_init_abi);
projects / deliverable / binutils-gdb.git / blobdiff