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https://sourceware.org/git/binutils-gdb.git
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2003-07-15 Michal Ludvig <mludvig@suse.cz>
* x86-64-linux-nat.c (regmap): Removed. (supply_gregset, fill_gregset): Call x86_64_linux_(fill,supply)_gregset functions. * x86-64-linux-tdep.c (USER_*): New defines. (user_to_gdb_regmap, x86_64_core_fns): New structure. (x86_64_linux_supply_gregset, x86_64_linux_fill_gregset): New functions. (fetch_core_registers): Ditto. (_initialize_x86_64_linux_tdep): Call add_core_fns(). * x86-64-linux-tdep.h: New file. * config/i386/x86-64linux.mh (NATDEPFILES): Remove corelow.o and core-regset.o. * config/i386/x86-64linux.mt (TDEPFILES): Add corelow.o.
This commit is contained in:
Michal Ludvig
parent
963ac3630d
commit
eba29c8cbb
@ -1,3 +1,19 @@
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2003-07-15 Michal Ludvig <mludvig@suse.cz>
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* x86-64-linux-nat.c (regmap): Removed.
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(supply_gregset, fill_gregset): Call
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x86_64_linux_(fill,supply)_gregset functions.
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* x86-64-linux-tdep.c (USER_*): New defines.
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(user_to_gdb_regmap, x86_64_core_fns): New structure.
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(x86_64_linux_supply_gregset, x86_64_linux_fill_gregset):
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New functions.
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(fetch_core_registers): Ditto.
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(_initialize_x86_64_linux_tdep): Call add_core_fns().
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* x86-64-linux-tdep.h: New file.
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* config/i386/x86-64linux.mh (NATDEPFILES): Remove corelow.o
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and core-regset.o.
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* config/i386/x86-64linux.mt (TDEPFILES): Add corelow.o.
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2003-07-13 Mark Kettenis <kettenis@gnu.org>
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* x86-64-tdep.c (x86_64_store_return_value): Use
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@ -3,8 +3,8 @@
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XM_FILE= xm-i386.h
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NAT_FILE= nm-x86-64linux.h
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NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o \
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core-regset.o i386-nat.o x86-64-linux-nat.o \
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NATDEPFILES= infptrace.o inftarg.o fork-child.o \
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i386-nat.o x86-64-linux-nat.o \
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linux-nat.o \
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proc-service.o thread-db.o lin-lwp.o linux-proc.o gcore.o
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@ -1,7 +1,7 @@
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# Target: AMD x86-64 running GNU/Linux
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TDEPFILES= x86-64-tdep.o x86-64-linux-tdep.o \
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i386-tdep.o i387-tdep.o i386-linux-tdep.o \
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solib.o solib-svr4.o solib-legacy.o
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solib.o solib-svr4.o solib-legacy.o corelow.o
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GDB_MULTI_ARCH=GDB_MULTI_ARCH_TM
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@ -38,24 +38,7 @@
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#include "gregset.h"
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#include "x86-64-tdep.h"
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/* The register sets used in GNU/Linux ELF core-dumps are identical to
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the register sets used by `ptrace'. The corresponding types are
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`elf_gregset_t' for the general-purpose registers (with
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`elf_greg_t' the type of a single GP register) and `elf_fpregset_t'
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for the floating-point registers. */
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/* Mapping between the general-purpose registers in `struct user'
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format and GDB's register array layout. */
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static int regmap[] =
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{
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RAX, RBX, RCX, RDX,
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RSI, RDI, RBP, RSP,
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R8, R9, R10, R11,
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R12, R13, R14, R15,
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RIP, EFLAGS, CS, SS,
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DS, ES, FS, GS
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};
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#include "x86-64-linux-tdep.h"
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/* Which ptrace request retrieves which registers?
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These apply to the corresponding SET requests as well. */
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@ -76,11 +59,7 @@ static int regmap[] =
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void
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supply_gregset (elf_gregset_t *gregsetp)
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{
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elf_greg_t *regp = (elf_greg_t *) gregsetp;
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int i;
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for (i = 0; i < X86_64_NUM_GREGS; i++)
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supply_register (i, regp + regmap[i]);
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x86_64_linux_supply_gregset ((char *) gregsetp);
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}
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/* Fill register REGNO (if it is a general-purpose register) in
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@ -90,12 +69,7 @@ supply_gregset (elf_gregset_t *gregsetp)
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void
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fill_gregset (elf_gregset_t *gregsetp, int regno)
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{
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elf_greg_t *regp = (elf_greg_t *) gregsetp;
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int i;
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for (i = 0; i < X86_64_NUM_GREGS; i++)
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if (regno == -1 || regno == i)
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regcache_collect (i, regp + regmap[i]);
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x86_64_linux_fill_gregset ((char *) gregsetp, regno);
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}
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/* Fetch all general-purpose registers from process/thread TID and
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@ -30,6 +30,116 @@
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#include "gdb_string.h"
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#include "x86-64-tdep.h"
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#include "x86-64-linux-tdep.h"
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/* Register indexes to 'struct user' come from <sys/reg.h>. */
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#define USER_R15 0
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#define USER_R14 1
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#define USER_R13 2
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#define USER_R12 3
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#define USER_RBP 4
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#define USER_RBX 5
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#define USER_R11 6
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#define USER_R10 7
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#define USER_R9 8
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#define USER_R8 9
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#define USER_RAX 10
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#define USER_RCX 11
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#define USER_RDX 12
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#define USER_RSI 13
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#define USER_RDI 14
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#define USER_RIP 16
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#define USER_CS 17
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#define USER_EFLAGS 18
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#define USER_RSP 19
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#define USER_SS 20
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#define USER_DS 23
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#define USER_ES 24
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#define USER_FS 25
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#define USER_GS 26
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/* Mapping between the general-purpose registers in `struct user'
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format and GDB's register array layout. */
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static int user_to_gdb_regmap[] =
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{
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USER_RAX, USER_RBX, USER_RCX, USER_RDX,
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USER_RSI, USER_RDI, USER_RBP, USER_RSP,
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USER_R8, USER_R9, USER_R10, USER_R11,
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USER_R12, USER_R13, USER_R14, USER_R15,
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USER_RIP, USER_EFLAGS, USER_CS, USER_SS,
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USER_DS, USER_ES, USER_FS, USER_GS
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};
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/* Fill GDB's register array with the general-purpose register values
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in *GREGSETP. */
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void
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x86_64_linux_supply_gregset (char *regp)
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{
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int i;
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for (i = 0; i < X86_64_NUM_GREGS; i++)
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supply_register (i, regp + (user_to_gdb_regmap[i] * 8));
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}
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/* Fill register REGNO (if it is a general-purpose register) in
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*GREGSETPS with the value in GDB's register array. If REGNO is -1,
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do this for all registers. */
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void
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x86_64_linux_fill_gregset (char *regp, int regno)
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{
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int i;
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for (i = 0; i < X86_64_NUM_GREGS; i++)
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if (regno == -1 || regno == i)
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regcache_collect (i, regp + (user_to_gdb_regmap[i] * 8));
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}
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/* The register sets used in GNU/Linux ELF core-dumps are identical to
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the register sets used by `ptrace'. The corresponding types are
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`elf_gregset_t' for the general-purpose registers (with
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`elf_greg_t' the type of a single GP register) and `elf_fpregset_t'
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for the floating-point registers. */
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static void
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fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
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int which, CORE_ADDR ignore)
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{
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switch (which)
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{
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case 0: /* Integer registers. */
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if (core_reg_size != 216)
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warning ("Wrong size register set in core file.");
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else
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x86_64_linux_supply_gregset (core_reg_sect);
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break;
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case 2: /* Floating point registers. */
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case 3: /* "Extended" floating point registers. This is gdb-speak
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for SSE/SSE2. */
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if (core_reg_size != 512)
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warning ("Wrong size XMM register set in core file.");
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else
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x86_64_supply_fxsave (core_reg_sect);
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break;
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default:
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/* Don't know what kind of register request this is; just ignore it. */
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break;
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}
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}
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static struct core_fns x86_64_core_fns =
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{
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bfd_target_elf_flavour, /* core_flavour */
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default_check_format, /* check_format */
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default_core_sniffer, /* core_sniffer */
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fetch_core_registers, /* core_read_registers */
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NULL /* next */
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};
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#define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
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#define LINUX_SIGTRAMP_OFFSET0 0
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@ -175,6 +285,8 @@ extern void _initialize_x86_64_linux_tdep (void);
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void
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_initialize_x86_64_linux_tdep (void)
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{
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add_core_fns (&x86_64_core_fns);
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gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, GDB_OSABI_LINUX,
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x86_64_linux_init_abi);
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}
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