mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
269 lines
7.2 KiB
C
269 lines
7.2 KiB
C
/* Native-dependent code for Solaris x86.
|
|
|
|
Copyright (C) 1988-2021 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "regcache.h"
|
|
|
|
#include <sys/reg.h>
|
|
#include <sys/procfs.h>
|
|
#include "gregset.h"
|
|
#include "target.h"
|
|
#include "procfs.h"
|
|
|
|
/* This file provids the (temporary) glue between the Solaris x86
|
|
target dependent code and the machine independent SVR4 /proc
|
|
support. */
|
|
|
|
/* Solaris 10 (Solaris 2.10, SunOS 5.10) and up support two process
|
|
data models, the traditional 32-bit data model (ILP32) and the
|
|
64-bit data model (LP64). The format of /proc depends on the data
|
|
model of the observer (the controlling process, GDB in our case).
|
|
The Solaris header files conveniently define PR_MODEL_NATIVE to the
|
|
data model of the controlling process. If its value is
|
|
PR_MODEL_LP64, we know that GDB is being compiled as a 64-bit
|
|
program.
|
|
|
|
Note that a 32-bit GDB won't be able to debug a 64-bit target
|
|
process using /proc on Solaris. */
|
|
|
|
#if PR_MODEL_NATIVE == PR_MODEL_LP64
|
|
|
|
#include "amd64-nat.h"
|
|
#include "amd64-tdep.h"
|
|
|
|
/* Mapping between the general-purpose registers in gregset_t format
|
|
and GDB's register cache layout. */
|
|
|
|
/* From <sys/regset.h>. */
|
|
static int amd64_sol2_gregset64_reg_offset[] = {
|
|
14 * 8, /* %rax */
|
|
11 * 8, /* %rbx */
|
|
13 * 8, /* %rcx */
|
|
12 * 8, /* %rdx */
|
|
9 * 8, /* %rsi */
|
|
8 * 8, /* %rdi */
|
|
10 * 8, /* %rbp */
|
|
20 * 8, /* %rsp */
|
|
7 * 8, /* %r8 ... */
|
|
6 * 8,
|
|
5 * 8,
|
|
4 * 8,
|
|
3 * 8,
|
|
2 * 8,
|
|
1 * 8,
|
|
0 * 8, /* ... %r15 */
|
|
17 * 8, /* %rip */
|
|
19 * 8, /* %eflags */
|
|
18 * 8, /* %cs */
|
|
21 * 8, /* %ss */
|
|
25 * 8, /* %ds */
|
|
24 * 8, /* %es */
|
|
22 * 8, /* %fs */
|
|
23 * 8 /* %gs */
|
|
};
|
|
|
|
/* 32-bit registers are provided by Solaris in 64-bit format, so just
|
|
give a subset of the list above. */
|
|
static int amd64_sol2_gregset32_reg_offset[] = {
|
|
14 * 8, /* %eax */
|
|
13 * 8, /* %ecx */
|
|
12 * 8, /* %edx */
|
|
11 * 8, /* %ebx */
|
|
20 * 8, /* %esp */
|
|
10 * 8, /* %ebp */
|
|
9 * 8, /* %esi */
|
|
8 * 8, /* %edi */
|
|
17 * 8, /* %eip */
|
|
19 * 8, /* %eflags */
|
|
18 * 8, /* %cs */
|
|
21 * 8, /* %ss */
|
|
25 * 8, /* %ds */
|
|
24 * 8, /* %es */
|
|
22 * 8, /* %fs */
|
|
23 * 8 /* %gs */
|
|
};
|
|
|
|
void
|
|
supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
|
|
{
|
|
amd64_supply_native_gregset (regcache, gregs, -1);
|
|
}
|
|
|
|
void
|
|
supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
|
|
{
|
|
amd64_supply_fxsave (regcache, -1, fpregs);
|
|
}
|
|
|
|
void
|
|
fill_gregset (const struct regcache *regcache,
|
|
prgregset_t *gregs, int regnum)
|
|
{
|
|
amd64_collect_native_gregset (regcache, gregs, regnum);
|
|
}
|
|
|
|
void
|
|
fill_fpregset (const struct regcache *regcache,
|
|
prfpregset_t *fpregs, int regnum)
|
|
{
|
|
amd64_collect_fxsave (regcache, regnum, fpregs);
|
|
}
|
|
|
|
#else /* PR_MODEL_NATIVE != PR_MODEL_LP64 */
|
|
|
|
#include "i386-tdep.h"
|
|
#include "i387-tdep.h"
|
|
|
|
/* The `/proc' interface divides the target machine's register set up
|
|
into two different sets, the general purpose register set (gregset)
|
|
and the floating-point register set (fpregset).
|
|
|
|
The actual structure is, of course, naturally machine dependent, and is
|
|
different for each set of registers. For the i386 for example, the
|
|
general-purpose register set is typically defined by:
|
|
|
|
typedef int gregset_t[19]; (in <sys/regset.h>)
|
|
|
|
#define GS 0 (in <sys/reg.h>)
|
|
#define FS 1
|
|
...
|
|
#define UESP 17
|
|
#define SS 18
|
|
|
|
and the floating-point set by:
|
|
|
|
typedef struct fpregset {
|
|
union {
|
|
struct fpchip_state // fp extension state //
|
|
{
|
|
int state[27]; // 287/387 saved state //
|
|
int status; // status word saved at //
|
|
// exception //
|
|
} fpchip_state;
|
|
struct fp_emul_space // for emulators //
|
|
{
|
|
char fp_emul[246];
|
|
char fp_epad[2];
|
|
} fp_emul_space;
|
|
int f_fpregs[62]; // union of the above //
|
|
} fp_reg_set;
|
|
long f_wregs[33]; // saved weitek state //
|
|
} fpregset_t;
|
|
|
|
Incidentally fpchip_state contains the FPU state in the same format
|
|
as used by the "fsave" instruction, and that's the only thing we
|
|
support here. I don't know how the emulator stores it state. The
|
|
Weitek stuff definitely isn't supported.
|
|
|
|
The routines defined here, provide the packing and unpacking of
|
|
gregset_t and fpregset_t formatted data. */
|
|
|
|
/* Mapping between the general-purpose registers in `/proc'
|
|
format and GDB's register array layout. */
|
|
static int regmap[] =
|
|
{
|
|
11 /* EAX */,
|
|
10 /* ECX */,
|
|
9 /* EDX */,
|
|
8 /* EBX */,
|
|
17 /* UESP */,
|
|
6 /* EBP */,
|
|
5 /* ESI */,
|
|
4 /* EDI */,
|
|
14 /* EIP */,
|
|
16 /* EFL */,
|
|
15 /* CS */,
|
|
18 /* SS */,
|
|
3 /* DS */,
|
|
2 /* ES */,
|
|
1 /* FS */,
|
|
0 /* GS */
|
|
};
|
|
|
|
/* Fill GDB's register array with the general-purpose register values
|
|
in *GREGSETP. */
|
|
|
|
void
|
|
supply_gregset (struct regcache *regcache, const gregset_t *gregsetp)
|
|
{
|
|
const greg_t *regp = (const greg_t *) gregsetp;
|
|
int regnum;
|
|
|
|
for (regnum = 0; regnum < I386_NUM_GREGS; regnum++)
|
|
regcache->raw_supply (regnum, regp + regmap[regnum]);
|
|
}
|
|
|
|
/* Fill register REGNUM (if it is a general-purpose register) in
|
|
*GREGSETPS with the value in GDB's register array. If REGNUM is -1,
|
|
do this for all registers. */
|
|
|
|
void
|
|
fill_gregset (const struct regcache *regcache,
|
|
gregset_t *gregsetp, int regnum)
|
|
{
|
|
greg_t *regp = (greg_t *) gregsetp;
|
|
int i;
|
|
|
|
for (i = 0; i < I386_NUM_GREGS; i++)
|
|
if (regnum == -1 || regnum == i)
|
|
regcache->raw_collect (i, regp + regmap[i]);
|
|
}
|
|
|
|
/* Fill GDB's register array with the floating-point register values in
|
|
*FPREGSETP. */
|
|
|
|
void
|
|
supply_fpregset (struct regcache *regcache, const fpregset_t *fpregsetp)
|
|
{
|
|
if (gdbarch_fp0_regnum (regcache->arch ()) == 0)
|
|
return;
|
|
|
|
i387_supply_fsave (regcache, -1, fpregsetp);
|
|
}
|
|
|
|
/* Fill register REGNO (if it is a floating-point register) in
|
|
*FPREGSETP with the value in GDB's register array. If REGNO is -1,
|
|
do this for all registers. */
|
|
|
|
void
|
|
fill_fpregset (const struct regcache *regcache,
|
|
fpregset_t *fpregsetp, int regno)
|
|
{
|
|
if (gdbarch_fp0_regnum (regcache->arch ()) == 0)
|
|
return;
|
|
|
|
i387_collect_fsave (regcache, regno, fpregsetp);
|
|
}
|
|
|
|
#endif
|
|
|
|
void _initialize_amd64_sol2_nat ();
|
|
void
|
|
_initialize_amd64_sol2_nat ()
|
|
{
|
|
#if PR_MODEL_NATIVE == PR_MODEL_LP64
|
|
amd64_native_gregset32_reg_offset = amd64_sol2_gregset32_reg_offset;
|
|
amd64_native_gregset32_num_regs =
|
|
ARRAY_SIZE (amd64_sol2_gregset32_reg_offset);
|
|
amd64_native_gregset64_reg_offset = amd64_sol2_gregset64_reg_offset;
|
|
amd64_native_gregset64_num_regs =
|
|
ARRAY_SIZE (amd64_sol2_gregset64_reg_offset);
|
|
#endif
|
|
}
|