* i386-linux-nat.c (i386_linux_dr_get): Return 0 if ptrace call
fails instead of calling perror_with_name. This should fix debugging remote i386 targets with a native Linux/x86 GDB. Add FIXME for this hack.
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@ -1,3 +1,10 @@
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2001-03-28 Mark Kettenis <kettenis@gnu.org>
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* i386-linux-nat.c (i386_linux_dr_get): Return 0 if ptrace call
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fails instead of calling perror_with_name. This should fix
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debugging remote i386 targets with a native Linux/x86 GDB. Add
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FIXME for this hack.
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2001-03-19 J.T. Conklin <jtc@redback.com>
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2001-03-19 J.T. Conklin <jtc@redback.com>
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* arch-utils.c (#include "gdbthread.h"): Removed.
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* arch-utils.c (#include "gdbthread.h"): Removed.
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@ -712,11 +712,20 @@ i386_linux_dr_get (int regnum)
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one thread. */
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one thread. */
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tid = PIDGET (inferior_pid);
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tid = PIDGET (inferior_pid);
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/* FIXME: kettenis/2001-03-27: Calling perror_with_name if the
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ptrace call fails breaks debugging remote targets. The correct
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way to fix this is to add the hardware breakpoint and watchpoint
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stuff to the target vectore. For now, just return zero if the
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ptrace call fails. */
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errno = 0;
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errno = 0;
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value = ptrace (PT_READ_U, tid,
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value = ptrace (PT_READ_U, tid,
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offsetof (struct user, u_debugreg[regnum]), 0);
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offsetof (struct user, u_debugreg[regnum]), 0);
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if (errno != 0)
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if (errno != 0)
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#if 0
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perror_with_name ("Couldn't read debug register");
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perror_with_name ("Couldn't read debug register");
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#else
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return 0;
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#endif
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return value;
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return value;
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}
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}
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