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| author | Jason Merrill <merrill@gnu.org> | 1994-07-29 19:03:37 +0000 |
|---|---|---|
| committer | Jason Merrill <merrill@gnu.org> | 1994-07-29 19:03:37 +0000 |
| commit | e5952538c4196ee92064db9cbff88e1ca2eeb5ce (patch) | |
| tree | ff09d4aec59c8c85b0a8490344f534acaa2bfdc9 | |
| parent | 566b213ab1d920957c39fd8e4ba5b78f517a68fa (diff) | |
| download | gcc-e5952538c4196ee92064db9cbff88e1ca2eeb5ce.zip gcc-e5952538c4196ee92064db9cbff88e1ca2eeb5ce.tar.gz gcc-e5952538c4196ee92064db9cbff88e1ca2eeb5ce.tar.bz2 | |
(DO_GLOBAL_CTORS_BODY): Reverse order of execution
of constuctor lists.
From-SVN: r7818
| -rw-r--r-- | gcc/config/svr3.h | 2 | ||||
| -rw-r--r-- | gcc/gbl-ctors.h | 17 |
2 files changed, 12 insertions, 7 deletions
diff --git a/gcc/config/svr3.h b/gcc/config/svr3.h index 8e7acd6..dd5cbc5 100644 --- a/gcc/config/svr3.h +++ b/gcc/config/svr3.h @@ -221,7 +221,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. /* CTOR_LIST_BEGIN and CTOR_LIST_END are machine-dependent because they push on the stack. */ -#ifdef STACK_GROWS_DOWNWARD +#ifndef STACK_GROWS_DOWNWARD /* Constructor list on stack is in reverse order. Go to the end of the list and go backwards to call constructors in the right order. */ diff --git a/gcc/gbl-ctors.h b/gcc/gbl-ctors.h index 2e7f520..32ff033 100644 --- a/gcc/gbl-ctors.h +++ b/gcc/gbl-ctors.h @@ -63,18 +63,23 @@ extern void __do_global_dtors (); we define it once here as a macro to avoid various instances getting out-of-sync with one another. */ -/* The first word may or may not contain the number of pointers in the table. +/* Some systems place the number of pointers + in the first word of the table. + On other systems, that word is -1. In all cases, the table is null-terminated. - We ignore the first word and scan up to the null. */ + If the length is not recorded, count up to the null. */ /* Some systems use a different strategy for finding the ctors. For example, svr3. */ #ifndef DO_GLOBAL_CTORS_BODY #define DO_GLOBAL_CTORS_BODY \ do { \ - func_ptr *p; \ - for (p = __CTOR_LIST__ + 1; *p; ) \ - (*p++) (); \ -} while (0) + unsigned nptrs = (unsigned HOST_WIDE_INT) __CTOR_LIST__[0]; \ + unsigned i; \ + if (nptrs == -1) \ + for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++); \ + for (i = nptrs; i >= 1; i--) \ + __CTOR_LIST__[i] (); \ +} while (0) #endif |