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Diffstat (limited to 'gdb/i386-linux-nat.c')
-rw-r--r--gdb/i386-linux-nat.c146
1 files changed, 71 insertions, 75 deletions
diff --git a/gdb/i386-linux-nat.c b/gdb/i386-linux-nat.c
index a524fdc..a3995c3 100644
--- a/gdb/i386-linux-nat.c
+++ b/gdb/i386-linux-nat.c
@@ -80,7 +80,7 @@ int have_ptrace_getregs =
#else
0
#endif
-;
+ ;
/* Does the current host support the GETFPXREGS request? The header
file may or may not define it, and even if it is defined, the
@@ -96,8 +96,7 @@ int have_ptrace_getfpxregs =
#else
0
#endif
-;
-
+ ;
/* Accessing registers through the U area, one at a time. */
@@ -119,12 +118,11 @@ fetch_register (struct regcache *regcache, int regno)
tid = get_ptrace_pid (regcache->ptid ());
errno = 0;
- val = ptrace (PTRACE_PEEKUSER, tid,
- i386_linux_gregset_reg_offset[regno], 0);
+ val = ptrace (PTRACE_PEEKUSER, tid, i386_linux_gregset_reg_offset[regno], 0);
if (errno != 0)
- error (_("Couldn't read register %s (#%d): %s."),
- gdbarch_register_name (regcache->arch (), regno),
- regno, safe_strerror (errno));
+ error (_ ("Couldn't read register %s (#%d): %s."),
+ gdbarch_register_name (regcache->arch (), regno), regno,
+ safe_strerror (errno));
regcache->raw_supply (regno, &val);
}
@@ -145,14 +143,12 @@ store_register (const struct regcache *regcache, int regno)
errno = 0;
regcache->raw_collect (regno, &val);
- ptrace (PTRACE_POKEUSER, tid,
- i386_linux_gregset_reg_offset[regno], val);
+ ptrace (PTRACE_POKEUSER, tid, i386_linux_gregset_reg_offset[regno], val);
if (errno != 0)
- error (_("Couldn't write register %s (#%d): %s."),
- gdbarch_register_name (regcache->arch (), regno),
- regno, safe_strerror (errno));
+ error (_ ("Couldn't write register %s (#%d): %s."),
+ gdbarch_register_name (regcache->arch (), regno), regno,
+ safe_strerror (errno));
}
-
/* Transfering the general-purpose registers between GDB, inferiors
and core files. */
@@ -169,11 +165,10 @@ supply_gregset (struct regcache *regcache, const elf_gregset_t *gregsetp)
for (i = 0; i < I386_NUM_GREGS; i++)
regcache->raw_supply (i, regp + i386_linux_gregset_reg_offset[i]);
- if (I386_LINUX_ORIG_EAX_REGNUM
- < gdbarch_num_regs (regcache->arch ()))
- regcache->raw_supply
- (I386_LINUX_ORIG_EAX_REGNUM,
- regp + i386_linux_gregset_reg_offset[I386_LINUX_ORIG_EAX_REGNUM]);
+ if (I386_LINUX_ORIG_EAX_REGNUM < gdbarch_num_regs (regcache->arch ()))
+ regcache->raw_supply (
+ I386_LINUX_ORIG_EAX_REGNUM,
+ regp + i386_linux_gregset_reg_offset[I386_LINUX_ORIG_EAX_REGNUM]);
}
/* Fill register REGNO (if it is a general-purpose register) in
@@ -181,8 +176,8 @@ supply_gregset (struct regcache *regcache, const elf_gregset_t *gregsetp)
do this for all registers. */
void
-fill_gregset (const struct regcache *regcache,
- elf_gregset_t *gregsetp, int regno)
+fill_gregset (const struct regcache *regcache, elf_gregset_t *gregsetp,
+ int regno)
{
gdb_byte *regp = (gdb_byte *) gregsetp;
int i;
@@ -192,11 +187,10 @@ fill_gregset (const struct regcache *regcache,
regcache->raw_collect (i, regp + i386_linux_gregset_reg_offset[i]);
if ((regno == -1 || regno == I386_LINUX_ORIG_EAX_REGNUM)
- && I386_LINUX_ORIG_EAX_REGNUM
- < gdbarch_num_regs (regcache->arch ()))
- regcache->raw_collect
- (I386_LINUX_ORIG_EAX_REGNUM,
- regp + i386_linux_gregset_reg_offset[I386_LINUX_ORIG_EAX_REGNUM]);
+ && I386_LINUX_ORIG_EAX_REGNUM < gdbarch_num_regs (regcache->arch ()))
+ regcache->raw_collect (
+ I386_LINUX_ORIG_EAX_REGNUM,
+ regp + i386_linux_gregset_reg_offset[I386_LINUX_ORIG_EAX_REGNUM]);
}
#ifdef HAVE_PTRACE_GETREGS
@@ -220,7 +214,7 @@ fetch_regs (struct regcache *regcache, int tid)
return;
}
- perror_with_name (_("Couldn't get registers"));
+ perror_with_name (_ ("Couldn't get registers"));
}
supply_gregset (regcache, (const elf_gregset_t *) regs_p);
@@ -235,28 +229,34 @@ store_regs (const struct regcache *regcache, int tid, int regno)
elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (int) &regs) < 0)
- perror_with_name (_("Couldn't get registers"));
+ perror_with_name (_ ("Couldn't get registers"));
fill_gregset (regcache, &regs, regno);
-
+
if (ptrace (PTRACE_SETREGS, tid, 0, (int) &regs) < 0)
- perror_with_name (_("Couldn't write registers"));
+ perror_with_name (_ ("Couldn't write registers"));
}
#else
-static void fetch_regs (struct regcache *regcache, int tid) {}
-static void store_regs (const struct regcache *regcache, int tid, int regno) {}
+static void
+fetch_regs (struct regcache *regcache, int tid)
+{
+}
+
+static void
+store_regs (const struct regcache *regcache, int tid, int regno)
+{
+}
#endif
-
/* Transfering floating-point registers between GDB, inferiors and cores. */
/* Fill GDB's register array with the floating-point register values in
*FPREGSETP. */
-void
+void
supply_fpregset (struct regcache *regcache, const elf_fpregset_t *fpregsetp)
{
i387_supply_fsave (regcache, -1, fpregsetp);
@@ -267,8 +267,8 @@ supply_fpregset (struct regcache *regcache, const elf_fpregset_t *fpregsetp)
do this for all registers. */
void
-fill_fpregset (const struct regcache *regcache,
- elf_fpregset_t *fpregsetp, int regno)
+fill_fpregset (const struct regcache *regcache, elf_fpregset_t *fpregsetp,
+ int regno)
{
i387_collect_fsave (regcache, regno, fpregsetp);
}
@@ -284,7 +284,7 @@ fetch_fpregs (struct regcache *regcache, int tid)
elf_fpregset_t fpregs;
if (ptrace (PTRACE_GETFPREGS, tid, 0, (int) &fpregs) < 0)
- perror_with_name (_("Couldn't get floating point status"));
+ perror_with_name (_ ("Couldn't get floating point status"));
supply_fpregset (regcache, (const elf_fpregset_t *) &fpregs);
}
@@ -298,12 +298,12 @@ store_fpregs (const struct regcache *regcache, int tid, int regno)
elf_fpregset_t fpregs;
if (ptrace (PTRACE_GETFPREGS, tid, 0, (int) &fpregs) < 0)
- perror_with_name (_("Couldn't get floating point status"));
+ perror_with_name (_ ("Couldn't get floating point status"));
fill_fpregset (regcache, &fpregs, regno);
if (ptrace (PTRACE_SETFPREGS, tid, 0, (int) &fpregs) < 0)
- perror_with_name (_("Couldn't write floating point status"));
+ perror_with_name (_ ("Couldn't write floating point status"));
}
#else
@@ -319,7 +319,6 @@ store_fpregs (const struct regcache *regcache, int tid, int regno)
}
#endif
-
/* Transfering floating-point and SSE registers to and from GDB. */
@@ -337,10 +336,9 @@ fetch_xstateregs (struct regcache *regcache, int tid)
return 0;
iov.iov_base = xstateregs;
- iov.iov_len = sizeof(xstateregs);
- if (ptrace (PTRACE_GETREGSET, tid, (unsigned int) NT_X86_XSTATE,
- &iov) < 0)
- perror_with_name (_("Couldn't read extended state status"));
+ iov.iov_len = sizeof (xstateregs);
+ if (ptrace (PTRACE_GETREGSET, tid, (unsigned int) NT_X86_XSTATE, &iov) < 0)
+ perror_with_name (_ ("Couldn't read extended state status"));
i387_supply_xsave (regcache, -1, xstateregs);
return 1;
@@ -358,18 +356,17 @@ store_xstateregs (const struct regcache *regcache, int tid, int regno)
if (have_ptrace_getregset != TRIBOOL_TRUE)
return 0;
-
+
iov.iov_base = xstateregs;
- iov.iov_len = sizeof(xstateregs);
- if (ptrace (PTRACE_GETREGSET, tid, (unsigned int) NT_X86_XSTATE,
- &iov) < 0)
- perror_with_name (_("Couldn't read extended state status"));
+ iov.iov_len = sizeof (xstateregs);
+ if (ptrace (PTRACE_GETREGSET, tid, (unsigned int) NT_X86_XSTATE, &iov) < 0)
+ perror_with_name (_ ("Couldn't read extended state status"));
i387_collect_xsave (regcache, regno, xstateregs, 0);
- if (ptrace (PTRACE_SETREGSET, tid, (unsigned int) NT_X86_XSTATE,
- (int) &iov) < 0)
- perror_with_name (_("Couldn't write extended state status"));
+ if (ptrace (PTRACE_SETREGSET, tid, (unsigned int) NT_X86_XSTATE, (int) &iov)
+ < 0)
+ perror_with_name (_ ("Couldn't write extended state status"));
return 1;
}
@@ -385,7 +382,7 @@ fetch_fpxregs (struct regcache *regcache, int tid)
{
elf_fpxregset_t fpxregs;
- if (! have_ptrace_getfpxregs)
+ if (!have_ptrace_getfpxregs)
return 0;
if (ptrace (PTRACE_GETFPXREGS, tid, 0, (int) &fpxregs) < 0)
@@ -396,7 +393,7 @@ fetch_fpxregs (struct regcache *regcache, int tid)
return 0;
}
- perror_with_name (_("Couldn't read floating-point and SSE registers"));
+ perror_with_name (_ ("Couldn't read floating-point and SSE registers"));
}
i387_supply_fxsave (regcache, -1, (const elf_fpxregset_t *) &fpxregs);
@@ -412,9 +409,9 @@ store_fpxregs (const struct regcache *regcache, int tid, int regno)
{
elf_fpxregset_t fpxregs;
- if (! have_ptrace_getfpxregs)
+ if (!have_ptrace_getfpxregs)
return 0;
-
+
if (ptrace (PTRACE_GETFPXREGS, tid, 0, &fpxregs) == -1)
{
if (errno == EIO)
@@ -423,13 +420,13 @@ store_fpxregs (const struct regcache *regcache, int tid, int regno)
return 0;
}
- perror_with_name (_("Couldn't read floating-point and SSE registers"));
+ perror_with_name (_ ("Couldn't read floating-point and SSE registers"));
}
i387_collect_fxsave (regcache, regno, &fpxregs);
if (ptrace (PTRACE_SETFPXREGS, tid, 0, &fpxregs) == -1)
- perror_with_name (_("Couldn't write floating-point and SSE registers"));
+ perror_with_name (_ ("Couldn't write floating-point and SSE registers"));
return 1;
}
@@ -449,7 +446,6 @@ store_fpxregs (const struct regcache *regcache, int tid, int regno)
}
#endif /* HAVE_PTRACE_GETFPXREGS */
-
/* Transferring arbitrary registers between GDB and inferior. */
@@ -527,7 +523,7 @@ i386_linux_nat_target::fetch_registers (struct regcache *regcache, int regno)
return;
}
- internal_error (_("Got request for bad register number %d."), regno);
+ internal_error (_ ("Got request for bad register number %d."), regno);
}
/* Store register REGNO back into the child process. If REGNO is -1,
@@ -591,16 +587,15 @@ i386_linux_nat_target::store_registers (struct regcache *regcache, int regno)
return;
}
- internal_error (_("Got request to store bad register number %d."), regno);
+ internal_error (_ ("Got request to store bad register number %d."), regno);
}
-
/* Called by libthread_db. Returns a pointer to the thread local
storage (or its descriptor). */
ps_err_e
-ps_get_thread_area (struct ps_prochandle *ph,
- lwpid_t lwpid, int idx, void **base)
+ps_get_thread_area (struct ps_prochandle *ph, lwpid_t lwpid, int idx,
+ void **base)
{
unsigned int base_addr;
ps_err_e result;
@@ -612,7 +607,6 @@ ps_get_thread_area (struct ps_prochandle *ph,
return result;
}
-
/* The instruction for a GNU/Linux system call is:
int $0x80
@@ -629,10 +623,10 @@ static const unsigned char linux_syscall[] = { 0xcd, 0x80 };
system calls. */
#ifndef SYS_sigreturn
-#define SYS_sigreturn 0x77
+#define SYS_sigreturn 0x77
#endif
#ifndef SYS_rt_sigreturn
-#define SYS_rt_sigreturn 0xad
+#define SYS_rt_sigreturn 0xad
#endif
/* Offset to saved processor flags, from <asm/sigcontext.h>. */
@@ -643,13 +637,14 @@ static const unsigned char linux_syscall[] = { 0xcd, 0x80 };
If SIGNAL is nonzero, give it that signal. */
void
-i386_linux_nat_target::low_resume (ptid_t ptid, int step, enum gdb_signal signal)
+i386_linux_nat_target::low_resume (ptid_t ptid, int step,
+ enum gdb_signal signal)
{
int pid = ptid.lwp ();
int request;
if (catch_syscall_enabled () > 0)
- request = PTRACE_SYSCALL;
+ request = PTRACE_SYSCALL;
else
request = PTRACE_CONT;
@@ -663,8 +658,8 @@ i386_linux_nat_target::low_resume (ptid_t ptid, int step, enum gdb_signal signal
request = PTRACE_SINGLESTEP;
- regcache_cooked_read_unsigned (regcache,
- gdbarch_pc_regnum (gdbarch), &pc);
+ regcache_cooked_read_unsigned (regcache, gdbarch_pc_regnum (gdbarch),
+ &pc);
/* Returning from a signal trampoline is done by calling a
special system call (sigreturn or rt_sigreturn, see
@@ -679,8 +674,8 @@ i386_linux_nat_target::low_resume (ptid_t ptid, int step, enum gdb_signal signal
&& memcmp (buf, linux_syscall, LINUX_SYSCALL_LEN) == 0)
{
ULONGEST syscall;
- regcache_cooked_read_unsigned (regcache,
- LINUX_SYSCALL_REGNUM, &syscall);
+ regcache_cooked_read_unsigned (regcache, LINUX_SYSCALL_REGNUM,
+ &syscall);
/* Then check the system call number. */
if (syscall == SYS_sigreturn || syscall == SYS_rt_sigreturn)
@@ -690,8 +685,8 @@ i386_linux_nat_target::low_resume (ptid_t ptid, int step, enum gdb_signal signal
regcache_cooked_read_unsigned (regcache, I386_ESP_REGNUM, &sp);
if (syscall == SYS_rt_sigreturn)
- addr = read_memory_unsigned_integer (sp + 8, 4, byte_order)
- + 20;
+ addr
+ = read_memory_unsigned_integer (sp + 8, 4, byte_order) + 20;
else
addr = sp;
@@ -710,6 +705,7 @@ i386_linux_nat_target::low_resume (ptid_t ptid, int step, enum gdb_signal signal
}
void _initialize_i386_linux_nat ();
+
void
_initialize_i386_linux_nat ()
{
generated by cgit v1.1 at 2024-09-10 18:43:13 +0000