Module Name: src
Committed By: christos
Date: Mon Oct 24 21:22:33 UTC 2016
Modified Files:
src/external/gpl3/gdb/dist/gdb: inf-ptrace.c
Log Message:
Don't fail silently if we can't set a breakpoint
To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/external/gpl3/gdb/dist/gdb/inf-ptrace.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/gpl3/gdb/dist/gdb/inf-ptrace.c
diff -u src/external/gpl3/gdb/dist/gdb/inf-ptrace.c:1.13 src/external/gpl3/gdb/dist/gdb/inf-ptrace.c:1.14
--- src/external/gpl3/gdb/dist/gdb/inf-ptrace.c:1.13 Wed Oct 12 16:20:33 2016
+++ src/external/gpl3/gdb/dist/gdb/inf-ptrace.c Mon Oct 24 17:22:33 2016
@@ -498,6 +498,14 @@ inf_ptrace_xfer_partial (struct target_o
/* If the PT_IO request is somehow not supported, fallback on
using PT_WRITE_D/PT_READ_D. Otherwise we will return zero
to indicate failure. */
+ if (errno == EACCES)
+ {
+ fprintf_unfiltered (gdb_stderr, "Cannot set breakpoint at %p (%s). "
+ "Is PaX MPROTECT active? See security(7), "
+ "sysctl(7), paxctl(8)\n", piod.piod_offs,
+ strerror(errno));
+ return TARGET_XFER_E_IO; /* Some other error perhaps? */
+ }
if (errno != EINVAL)
return TARGET_XFER_EOF;
}
