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| author | Josh Stone <jistone@redhat.com> | 2009-05-22 14:57:33 -0700 |
|---|---|---|
| committer | Josh Stone <jistone@redhat.com> | 2009-05-22 14:57:33 -0700 |
| commit | 29d0edebd429185b88ff9c476eb4fba4396b5f63 (patch) | |
| tree | 01eddffbba9270c0b467550393c9a937fda14cc9 | |
| parent | efd032a83a3e5254988a49ed52cdab85c19ce762 (diff) | |
| download | systemtap-steved-29d0edebd429185b88ff9c476eb4fba4396b5f63.tar.gz systemtap-steved-29d0edebd429185b88ff9c476eb4fba4396b5f63.tar.xz systemtap-steved-29d0edebd429185b88ff9c476eb4fba4396b5f63.zip | |
Use embedded-C for empty functions
The functions asmlinkage() and fastcall() are used to help access
syscall parameters on i686. All other archs don't need this, but they
still define empty functions to shield the callers from arch details.
However, stap issues warnings for empty script-level functions. This
patch changes them to "%{ /* pure */ %}" so there's no complaint, and
they will still get optimized away.
| -rw-r--r-- | tapset/ppc64/registers.stp | 6 | ||||
| -rw-r--r-- | tapset/s390x/registers.stp | 6 | ||||
| -rw-r--r-- | tapset/x86_64/registers.stp | 6 |
3 files changed, 6 insertions, 12 deletions
diff --git a/tapset/ppc64/registers.stp b/tapset/ppc64/registers.stp index e5decd81..c8713e5a 100644 --- a/tapset/ppc64/registers.stp +++ b/tapset/ppc64/registers.stp @@ -210,11 +210,9 @@ function u64_arg:long (argnum:long) { return ulonglong_arg(argnum) } -function asmlinkage() { -} +function asmlinkage() %{ /* pure */ %} -function fastcall() { -} +function fastcall() %{ /* pure */ %} function regparm() %{ snprintf(CONTEXT->error_buffer, sizeof(CONTEXT->error_buffer), diff --git a/tapset/s390x/registers.stp b/tapset/s390x/registers.stp index 37218d14..79482b73 100644 --- a/tapset/s390x/registers.stp +++ b/tapset/s390x/registers.stp @@ -210,11 +210,9 @@ function u64_arg:long (argnum:long) { return ulonglong_arg(argnum) } -function asmlinkage() { -} +function asmlinkage() %{ /* pure */ %} -function fastcall() { -} +function fastcall() %{ /* pure */ %} function regparm() %{ snprintf(CONTEXT->error_buffer, sizeof(CONTEXT->error_buffer), diff --git a/tapset/x86_64/registers.stp b/tapset/x86_64/registers.stp index 2e21f3eb..48ba3119 100644 --- a/tapset/x86_64/registers.stp +++ b/tapset/x86_64/registers.stp @@ -235,11 +235,9 @@ function u64_arg:long (argnum:long) { return ulonglong_arg(argnum) } -function asmlinkage() { -} +function asmlinkage() %{ /* pure */ %} -function fastcall() { -} +function fastcall() %{ /* pure */ %} function regparm(n:long) %{ if (_stp_probing_32bit_app(CONTEXT->regs) && |