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| author | Frank Ch. Eigler <fche@elastic.org> | 2009-11-24 15:46:41 -0500 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@elastic.org> | 2009-12-20 12:17:07 -0500 |
| commit | a5a674fa2c2447e9dd34c8c8f7b1e5756a32df4d (patch) | |
| tree | 9a5a7723d9552f302f4958b66079b545a92efc87 /loc2c.c | |
| parent | 39b375aeafc43e00ecf68d0151e7df0597139949 (diff) | |
| download | systemtap-steved-a5a674fa2c2447e9dd34c8c8f7b1e5756a32df4d.tar.gz systemtap-steved-a5a674fa2c2447e9dd34c8c8f7b1e5756a32df4d.tar.xz systemtap-steved-a5a674fa2c2447e9dd34c8c8f7b1e5756a32df4d.zip | |
PR10601: comment on loc2c's use of [u]intptr_t for temp values
Diffstat (limited to 'loc2c.c')
| -rw-r--r-- | loc2c.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -30,6 +30,13 @@ #define N_(x) x +/* NB: PR10601 may make one suspect that intptr_t and uintptr_t aren't + right, for example on a 64-bit kernel targeting a 32-bit userspace + process. At least these types are always at least as wide as + userspace (since 64-bit userspace doesn't run on a 32-bit kernel). + So as long as deref() and {fetch,store}_register() widen/narrow + their underlying values to these, there should be no problem. */ + #define STACK_TYPE "intptr_t" /* Must be the signed type. */ #define UTYPE "uintptr_t" /* Must be the unsigned type. */ #define SFORMAT "%" PRId64 "L" |