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| author | Frediano Ziglio <frediano.ziglio@citrix.com> | 2013-02-14 12:37:13 +0000 |
|---|---|---|
| committer | Keir <keir.xen@gmail.com> | 2013-02-21 16:15:33 +0000 |
| commit | 68ca0bc4ba2f70d50b4c5eecbba53ce113bd8ad6 (patch) | |
| tree | 977daad21d116d101b477a903f6e19e53cf14a1a /xen/common/lib.c | |
| parent | 82639998a5f2afce55990c387dfdf06e032803e6 (diff) | |
| download | xen-68ca0bc4ba2f70d50b4c5eecbba53ce113bd8ad6.tar.gz xen-68ca0bc4ba2f70d50b4c5eecbba53ce113bd8ad6.tar.bz2 xen-68ca0bc4ba2f70d50b4c5eecbba53ce113bd8ad6.zip | |
gcov: Call constructors during initialization
This allow modules to set initializer functions.
This is used by Gcc instrumentation code for profiling arcs and test
coverage.
Diffstat (limited to 'xen/common/lib.c')
| -rw-r--r-- | xen/common/lib.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/xen/common/lib.c b/xen/common/lib.c index 018345ebbd..e0c65cfec3 100644 --- a/xen/common/lib.c +++ b/xen/common/lib.c @@ -2,6 +2,7 @@ #include <xen/ctype.h> #include <xen/lib.h> #include <xen/types.h> +#include <xen/init.h> #include <asm/byteorder.h> /* for ctype.h */ @@ -478,6 +479,19 @@ unsigned long long parse_size_and_unit(const char *s, const char **ps) return ret; } +extern const struct +{ + unsigned long count; + void (*funcs[1])(void); +} __CTOR_LIST__; + +void __init init_constructors(void) +{ + unsigned long n; + for ( n = 0; n < __CTOR_LIST__.count; ++n ) + __CTOR_LIST__.funcs[n](); +} + /* * Local variables: * mode: C |