2004-07-21 Andrew Cagney <cagney@gnu.org>
* PROBLEMS: Mention breakpoints/1702. * NEWS: For signal trampolines, cite s390 GNU/Linux as a system that is known to work.
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2004-07-21 Andrew Cagney <cagney@gnu.org>
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* PROBLEMS: Mention breakpoints/1702.
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* NEWS: For signal trampolines, cite s390 GNU/Linux as a system
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that is known to work.
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2004-07-21 Andrew Cagney <cagney@gnu.org>
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2004-07-21 Andrew Cagney <cagney@gnu.org>
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* config/mips/tm-mips.h (DEPRECATED_IGNORE_HELPER_CALL): Deprecate.
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* config/mips/tm-mips.h (DEPRECATED_IGNORE_HELPER_CALL): Deprecate.
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5
gdb/NEWS
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@ -38,8 +38,9 @@ of sa_sigaction signal trampolines; backtrace from a NULL pointer
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call; backtrace through a signal trampoline; step into and out of
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call; backtrace through a signal trampoline; step into and out of
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signal handlers; and single-stepping in the signal trampoline.
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signal handlers; and single-stepping in the signal trampoline.
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These fixes were tested on i386 GNU/Linux systems that include a 2.4
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Please note that kernel bugs are a limiting factor here. These
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kernel.
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features have been shown to work on an s390 GNU/Linux system that
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include a 2.6.8-rc1 kernel. Ref PR breakpoints/1702.
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* Cygwin support for DWARF 2 added.
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* Cygwin support for DWARF 2 added.
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13
gdb/PROBLEMS
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@ -94,6 +94,19 @@ implement virtual base classes. gcc 2.x generated just one object code
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function with a hidden parameter, but gcc 3.x conforms to a multi-vendor
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function with a hidden parameter, but gcc 3.x conforms to a multi-vendor
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ABI for C++ which requires multiple object code functions.
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ABI for C++ which requires multiple object code functions.
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*** Signal handlers
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On many systems an attempt to single-step a system-call instruction
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results in two or more instructions being executed (the system-call,
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and one or more instructions following).
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When attempting to single-step through a signal trampoline, this
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problem may result the program unintentionally running to completion,
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or re-execute the faulting instruction, or even corrupting the program
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counter.
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Ref: PR breakpoints/1702.
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*** Stack backtraces
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*** Stack backtraces
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GDB's core code base has been updated to use a new backtrace
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GDB's core code base has been updated to use a new backtrace
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