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Retire ptrace(T_DUMPCORE), dumpcore(1), gcore(1)

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The T_DUMPCORE implementation was not only broken - it would currently
produce a coredump of the tracer process rather than the traced
process - but also deeply flawed, and fixing it would require serious
alteration of PM's internal state machine. It should be possible to
implement the same functionality in userland, and that is now the
suggested way forward. For now, also remove the (identical) utilities
using T_DUMPCORE: dumpcore(1) and gcore(1).

Change-Id: I1d51be19c739362b8a5833de949b76382a1edbcc
This commit is contained in:
David van Moolenbroek
2013-08-28 15:58:30 +02:00
committed by Lionel Sambuc
parent f707937192
commit 4f6b382c41
14 changed files with 11 additions and 218 deletions
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1
sys/sys/ptrace.h
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@@ -23,7 +23,6 @@
#define T_SETOPT 13 /* set trace options */
#define T_GETRANGE 14 /* get range of values */
#define T_SETRANGE 15 /* set range of values */
#define T_DUMPCORE 16 /* dumps the core for the process with the given pid */
#define T_READB_INS 100 /* Read a byte from the text segment of an
* untraced process (only for root)