summaryrefslogtreecommitdiff
path: root/devel/gdb/files/kgdb/mipsfbsd-kern.c
diff options
context:
space:
mode:
Diffstat (limited to 'devel/gdb/files/kgdb/mipsfbsd-kern.c')
-rw-r--r--devel/gdb/files/kgdb/mipsfbsd-kern.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/devel/gdb/files/kgdb/mipsfbsd-kern.c b/devel/gdb/files/kgdb/mipsfbsd-kern.c
index 9f438000c43c..dafa93227d8b 100644
--- a/devel/gdb/files/kgdb/mipsfbsd-kern.c
+++ b/devel/gdb/files/kgdb/mipsfbsd-kern.c
@@ -303,308 +303,3 @@ _initialize_mips_kgdb_tdep (void)
gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_FREEBSD_ELF_KERNEL,
mipsfbsd_kernel_init_abi);
}
-/*
- * Copyright (c) 2007 Juniper Networks, Inc.
- * Copyright (c) 2004 Marcel Moolenaar
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * from: src/gnu/usr.bin/gdb/kgdb/trgt_alpha.c,v 1.2.2.1 2005/09/15 05:32:10 marcel
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#ifdef __mips__
-#include <machine/asm.h>
-#include <machine/pcb.h>
-#include <machine/frame.h>
-#endif
-#include <string.h>
-
-#include <defs.h>
-#include <frame-unwind.h>
-//#include <target.h>
-//#include <gdbthread.h>
-//#include <inferior.h>
-#include "osabi.h"
-#include <regcache.h>
-#include "solib.h"
-#include "trad-frame.h"
-#include <mips-tdep.h>
-
-#include "kgdb.h"
-
-/* Size of struct trapframe in registers. */
-#define TRAPFRAME_WORDS 74
-
-/* From sys/mips/include/pcb.h. Offsets in the pcb_context[] array. */
-#define FBSD_PCB_REG_S0 0
-#define FBSD_PCB_REG_S1 1
-#define FBSD_PCB_REG_S2 2
-#define FBSD_PCB_REG_S3 3
-#define FBSD_PCB_REG_S4 4
-#define FBSD_PCB_REG_S5 5
-#define FBSD_PCB_REG_S6 6
-#define FBSD_PCB_REG_S7 7
-#define FBSD_PCB_REG_SP 8
-#define FBSD_PCB_REG_S8 9
-#define FBSD_PCB_REG_RA 10
-#define FBSD_PCB_REG_SR 11
-#define FBSD_PCB_REG_GP 12
-#define FBSD_PCB_REG_PC 13
-
-#ifdef __mips__
-_Static_assert(TRAPFRAME_WORDS * sizeof(register_t) ==
- sizeof(struct trapframe), "TRAPFRAME_WORDS mismatch");
-_Static_assert(FBSD_PCB_REG_S0 == PCB_REG_S0, "PCB_REG_S0 mismatch");
-_Static_assert(FBSD_PCB_REG_S1 == PCB_REG_S1, "PCB_REG_S1 mismatch");
-_Static_assert(FBSD_PCB_REG_S2 == PCB_REG_S2, "PCB_REG_S2 mismatch");
-_Static_assert(FBSD_PCB_REG_S3 == PCB_REG_S3, "PCB_REG_S3 mismatch");
-_Static_assert(FBSD_PCB_REG_S4 == PCB_REG_S4, "PCB_REG_S4 mismatch");
-_Static_assert(FBSD_PCB_REG_S5 == PCB_REG_S5, "PCB_REG_S5 mismatch");
-_Static_assert(FBSD_PCB_REG_S6 == PCB_REG_S6, "PCB_REG_S6 mismatch");
-_Static_assert(FBSD_PCB_REG_S7 == PCB_REG_S7, "PCB_REG_S7 mismatch");
-_Static_assert(FBSD_PCB_REG_SP == PCB_REG_SP, "PCB_REG_SP mismatch");
-_Static_assert(FBSD_PCB_REG_S8 == PCB_REG_S8, "PCB_REG_S8 mismatch");
-_Static_assert(FBSD_PCB_REG_RA == PCB_REG_RA, "PCB_REG_RA mismatch");
-_Static_assert(FBSD_PCB_REG_SR == PCB_REG_SR, "PCB_REG_SR mismatch");
-_Static_assert(FBSD_PCB_REG_GP == PCB_REG_GP, "PCB_REG_GP mismatch");
-_Static_assert(FBSD_PCB_REG_PC == PCB_REG_PC, "PCB_REG_PC mismatch");
-#endif
-
-static void
-mipsfbsd_supply_pcb(struct regcache *regcache, CORE_ADDR pcb_addr)
-{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
- size_t regsize = mips_isa_regsize (gdbarch);
- gdb_byte buf[regsize * (FBSD_PCB_REG_PC + 1)];
-
- /* Read the entire pcb_context[] array in one go. The pcb_context[]
- array is after the pcb_regs member which is a trapframe. */
- if (target_read_memory (pcb_addr + TRAPFRAME_WORDS * regsize, buf,
- sizeof(buf)) != 0)
- return;
-
- regcache_raw_supply_unsigned (regcache, MIPS_ZERO_REGNUM, 0);
- regcache_raw_supply (regcache, MIPS_S2_REGNUM - 2,
- buf + (regsize * FBSD_PCB_REG_S0));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM - 1,
- buf + (regsize * FBSD_PCB_REG_S1));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM,
- buf + (regsize * FBSD_PCB_REG_S2));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM + 1,
- buf + (regsize * FBSD_PCB_REG_S3));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM + 2,
- buf + (regsize * FBSD_PCB_REG_S4));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM + 3,
- buf + (regsize * FBSD_PCB_REG_S5));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM + 4,
- buf + (regsize * FBSD_PCB_REG_S6));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM + 5,
- buf + (regsize * FBSD_PCB_REG_S7));
- regcache_raw_supply (regcache, MIPS_SP_REGNUM,
- buf + (regsize * FBSD_PCB_REG_SP));
- regcache_raw_supply (regcache, MIPS_S2_REGNUM + 6,
- buf + (regsize * FBSD_PCB_REG_S8));
- regcache_raw_supply (regcache, MIPS_RA_REGNUM,
- buf + (regsize * FBSD_PCB_REG_RA));
- regcache_raw_supply (regcache, MIPS_PS_REGNUM,
- buf + (regsize * FBSD_PCB_REG_SR));
- regcache_raw_supply (regcache, MIPS_GP_REGNUM,
- buf + (regsize * FBSD_PCB_REG_GP));
- regcache_raw_supply (regcache, MIPS_EMBED_PC_REGNUM,
- buf + (regsize * FBSD_PCB_REG_PC));
-}
-
-static struct trad_frame_cache *
-mipsfbsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
-{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- size_t regsize = mips_isa_regsize (gdbarch);
- struct trad_frame_cache *cache;
- CORE_ADDR addr, func, pc, sp;
- int regnum;
-
- if (*this_cache != NULL)
- return ((struct trad_frame_cache *)*this_cache);
-
- cache = trad_frame_cache_zalloc (this_frame);
- *this_cache = cache;
-
- func = get_frame_func (this_frame);
- sp = get_frame_register_signed (this_frame,
- MIPS_SP_REGNUM + gdbarch_num_regs (gdbarch));
-
- /* Skip over CALLFRAME_SIZ. */
- addr = sp;
- if (regsize == 8)
- addr += regsize * 4;
- else
- addr += regsize * (4 + 2);
-
- /* GPRs. Skip zero. */
- addr += regsize;
- for (regnum = MIPS_AT_REGNUM; regnum <= MIPS_RA_REGNUM; regnum++)
- {
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
- addr += regsize;
- }
-
- regnum = MIPS_PS_REGNUM;
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
- addr += regsize;
-
- /* HI and LO. */
- regnum = mips_regnum (gdbarch)->lo;
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
- addr += regsize;
- regnum = mips_regnum (gdbarch)->hi;
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
- addr += regsize;
-
- /* BADVADDR. */
- regnum = mips_regnum (gdbarch)->badvaddr;
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
- addr += regsize;
-
- /* CAUSE. */
- regnum = mips_regnum (gdbarch)->cause;
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
- addr += regsize;
-
- /* PC. */
- regnum = mips_regnum (gdbarch)->pc;
- trad_frame_set_reg_addr (cache,
- regnum + gdbarch_num_regs (gdbarch),
- addr);
-
- trad_frame_set_id (cache, frame_id_build (sp + TRAPFRAME_WORDS * regsize,
- func));
- return cache;
-}
-
-static void
-mipsfbsd_trapframe_this_id (struct frame_info *this_frame,
- void **this_cache, struct frame_id *this_id)
-{
- struct trad_frame_cache *cache =
- mipsfbsd_trapframe_cache (this_frame, this_cache);
-
- trad_frame_get_id (cache, this_id);
-}
-
-static struct value *
-mipsfbsd_trapframe_prev_register (struct frame_info *this_frame,
- void **this_cache, int regnum)
-{
- struct trad_frame_cache *cache =
- mipsfbsd_trapframe_cache (this_frame, this_cache);
-
- return trad_frame_get_register (cache, this_frame, regnum);
-}
-
-static int
-mipsfbsd_trapframe_sniffer (const struct frame_unwind *self,
- struct frame_info *this_frame,
- void **this_prologue_cache)
-{
- const char *name;
-
- find_pc_partial_function (get_frame_func (this_frame), &name, NULL, NULL);
- return (name && ((strcmp(name, "MipsKernIntr") == 0) ||
- (strcmp(name, "MipsKernGenException") == 0) ||
- (strcmp(name, "MipsTLBInvalidException") == 0)));
-}
-
-static const struct frame_unwind mipsfbsd_trapframe_unwind = {
- SIGTRAMP_FRAME,
- default_frame_unwind_stop_reason,
- mipsfbsd_trapframe_this_id,
- mipsfbsd_trapframe_prev_register,
- NULL,
- mipsfbsd_trapframe_sniffer
-};
-
-static void
-mipsfbsd_kernel_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- enum mips_abi abi = mips_abi (gdbarch);
-
- set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
-
- switch (abi)
- {
- case MIPS_ABI_O32:
- break;
- case MIPS_ABI_N32:
- set_gdbarch_long_double_bit (gdbarch, 128);
- /* These floatformats should probably be renamed. MIPS uses
- the same 128-bit IEEE floating point format that IA-64 uses,
- except that the quiet/signalling NaN bit is reversed (GDB
- does not distinguish between quiet and signalling NaNs). */
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
- break;
- case MIPS_ABI_N64:
- set_gdbarch_long_double_bit (gdbarch, 128);
- /* These floatformats should probably be renamed. MIPS uses
- the same 128-bit IEEE floating point format that IA-64 uses,
- except that the quiet/signalling NaN bit is reversed (GDB
- does not distinguish between quiet and signalling NaNs). */
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
- break;
- }
-
- frame_unwind_prepend_unwinder (gdbarch, &mipsfbsd_trapframe_unwind);
-
- set_solib_ops (gdbarch, &kld_so_ops);
-
- fbsd_vmcore_set_supply_pcb (gdbarch, mipsfbsd_supply_pcb);
- fbsd_vmcore_set_cpu_pcb_addr (gdbarch, kgdb_trgt_stop_pcb);
-}
-
-void _initialize_mips_kgdb_tdep (void);
-
-void
-_initialize_mips_kgdb_tdep (void)
-{
- gdbarch_register_osabi_sniffer(bfd_arch_mips,
- bfd_target_elf_flavour,
- fbsd_kernel_osabi_sniffer);
- gdbarch_register_osabi (bfd_arch_mips, 0, GDB_OSABI_FREEBSD_ELF_KERNEL,
- mipsfbsd_kernel_init_abi);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-06 12:37:18 +0000