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* x86-64-linux-nat.c (child_xfer_memory): x86-64 ptrace() ABI change sync

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This commit is contained in:
Michal Ludvig 2002-04-04 13:18:59 +00:00
parent f22ba854c7
commit 7b3fabf05e
2 changed files with 19 additions and 14 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2002-04-04 Michal Ludvig <mludvig@suse.cz>
* x86-64-linux-nat.c (child_xfer_memory): x86-64 ptrace() ABI
change sync with glibc.
2002-04-03 Jim Blandy <jimb@redhat.com> 2002-04-03 Jim Blandy <jimb@redhat.com>
* configure.in: Call AC_C_INLINE. * configure.in: Call AC_C_INLINE.

28
gdb/x86-64-linux-nat.c
View File

@ -43,7 +43,7 @@ static int x86_64_regmap[] = {
RSI, RDI, RBP, RSP, RSI, RDI, RBP, RSP,
R8, R9, R10, R11, R8, R9, R10, R11,
R12, R13, R14, R15, R12, R13, R14, R15,
RIP, EFLAGS, RIP, EFLAGS,
DS, ES, FS, GS DS, ES, FS, GS
}; };
@ -87,8 +87,7 @@ x86_64_linux_dr_set (int regnum, unsigned long value)
tid = PIDGET (inferior_ptid); tid = PIDGET (inferior_ptid);
errno = 0; errno = 0;
ptrace (PT_WRITE_U, tid, ptrace (PT_WRITE_U, tid, offsetof (struct user, u_debugreg[regnum]), value);
offsetof (struct user, u_debugreg[regnum]), value);
if (errno != 0) if (errno != 0)
perror_with_name ("Couldn't write debug register"); perror_with_name ("Couldn't write debug register");
} }
@ -173,7 +172,7 @@ fetch_regs (int tid)
elf_gregset_t regs; elf_gregset_t regs;
if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0) if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
perror_with_name ("Couldn't get registers"); perror_with_name ("Couldn't get registers");
supply_gregset (&regs); supply_gregset (&regs);
} }
@ -441,16 +440,17 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE)) if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE))
{ {
/* Need part of initial word -- fetch it. */ /* Need part of initial word -- fetch it. */
ptrace (PT_READ_I, PIDGET (inferior_ptid), buffer[0] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) addr, buffer); (PTRACE_ARG3_TYPE) addr, 0);
} }
if (count > 1) /* FIXME, avoid if even boundary */ if (count > 1) /* FIXME, avoid if even boundary */
{ {
ptrace (PT_READ_I, PIDGET (inferior_ptid), buffer[count - 1] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
((PTRACE_ARG3_TYPE) ((PTRACE_ARG3_TYPE)
(addr + (count - 1) * sizeof (PTRACE_XFER_TYPE))), (addr +
buffer + count - 1); (count -
1) * sizeof (PTRACE_XFER_TYPE))), 0);
} }
/* Copy data to be written over corresponding part of buffer */ /* Copy data to be written over corresponding part of buffer */
@ -486,8 +486,8 @@ child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE)) for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
{ {
errno = 0; errno = 0;
ptrace (PT_READ_I, PIDGET (inferior_ptid), buffer[i] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) addr, buffer + i); (PTRACE_ARG3_TYPE) addr, 0);
if (errno) if (errno)
return 0; return 0;
} }
@ -580,12 +580,12 @@ x86_64_register_u_addr (CORE_ADDR blockend, int regnum)
CORE_ADDR fpstate; CORE_ADDR fpstate;
CORE_ADDR ubase; CORE_ADDR ubase;
ubase = blockend; ubase = blockend;
if (IS_FP_REGNUM(regnum)) if (IS_FP_REGNUM (regnum))
{ {
fpstate = ubase + ((char *) &u.i387.st_space - (char *) &u); fpstate = ubase + ((char *) &u.i387.st_space - (char *) &u);
return (fpstate + 16 * (regnum - FP0_REGNUM)); return (fpstate + 16 * (regnum - FP0_REGNUM));
} }
else if (IS_SSE_REGNUM(regnum)) else if (IS_SSE_REGNUM (regnum))
{ {
fpstate = ubase + ((char *) &u.i387.xmm_space - (char *) &u); fpstate = ubase + ((char *) &u.i387.xmm_space - (char *) &u);
return (fpstate + 16 * (regnum - XMM0_REGNUM)); return (fpstate + 16 * (regnum - XMM0_REGNUM));