Make --wait-for-gdb sort-of usable on amd64. I don't know why this
works on x86 -- and I can't make any analogous version work on amd64.
Hence return to a delay loop for the time being.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3231 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vg_main.c b/coregrind/vg_main.c
index 1c9ad5a..ff23e3d 100644
--- a/coregrind/vg_main.c
+++ b/coregrind/vg_main.c
@@ -2686,9 +2686,13 @@
/* Hook to delay things long enough so we can get the pid and
attach GDB in another shell. */
if (VG_(clo_wait_for_gdb)) {
- VG_(printf)("pid=%d\n", VG_(getpid)());
- /* do "jump *$eip" to skip this in gdb */
- VG_(do_syscall0)(__NR_pause);
+ VG_(printf)("pid=%d, entering delay loop\n", VG_(getpid)());
+ /* jrs 20050206: I don't understand why this works on x86. On
+ amd64 the obvious analogues (jump *$rip or jump *$rcx) don't
+ work. */
+ /* do "jump *$eip" to skip this in gdb (x86) */
+ //VG_(do_syscall0)(__NR_pause);
+ { Long q; for (q = 0; q < 10ULL *1000*1000*1000; q++) ; }
}
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