lldb - problem with some PTRACE_* constants in NativeProcessLinux.cpp file
See http://reviews.llvm.org/D4366 for details. Change by Paul Paul Osmialowski Today this is the only problem that I'm facing trying to cross-compile lldb for AArch64 using Linaro's toolchain. PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS are not defined for AArch64 These things can be defined different ways for other architectures, e.g. for x86_64 Linux, asm/ptrace-abi.h defines them as preprocessor constants while sys/ptrace.h defines them in enum along with corresponding PT_* preprocessor constants NativeProcessLinux.cpp includes sys/ptrace.h To avoid accidental redefinition of enums with preprocessor constants, I'm proposing this patch which first checks for PT_* preprocessor constants then checks for PTRACE_* constants then when it still can not find them, it defines preprocessor constants. Similar approach was already used for PTRACE_GETREGSET and PTRACE_SETREGSET constants; in this case however it was easier, since enum values in sys/ptrace.h and preprocessor constants shared all exactly the same names (e.g. there's no additional PT_GETREGSET name defined). llvm-svn: 212225
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@ -53,12 +53,26 @@
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#define DEBUG_PTRACE_MAXBYTES 20
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// Support ptrace extensions even when compiled without required kernel support
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#ifndef PT_GETREGS
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#ifndef PTRACE_GETREGS
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#define PTRACE_GETREGS 12
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#define PTRACE_GETREGS 12
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#endif
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#endif
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#ifndef PT_SETREGS
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#ifndef PTRACE_SETREGS
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#define PTRACE_SETREGS 13
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#endif
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#endif
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#ifndef PT_GETFPREGS
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#ifndef PTRACE_GETFPREGS
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#define PTRACE_GETFPREGS 14
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#endif
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#endif
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#ifndef PT_SETFPREGS
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#ifndef PTRACE_SETFPREGS
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#define PTRACE_SETFPREGS 15
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#endif
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#endif
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#ifndef PTRACE_GETREGSET
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#define PTRACE_GETREGSET 0x4204
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#endif
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