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-rw-r--r--ext/DynaLoader/dl_aix.xs12
1 files changed, 12 insertions, 0 deletions
diff --git a/ext/DynaLoader/dl_aix.xs b/ext/DynaLoader/dl_aix.xs
index bdf33b2410..746666636a 100644
--- a/ext/DynaLoader/dl_aix.xs
+++ b/ext/DynaLoader/dl_aix.xs
@@ -29,6 +29,12 @@
#include <a.out.h>
#include <ldfcn.h>
+/* If using PerlIO, redefine these macros from <ldfcn.h> */
+#ifdef USE_PERLIO
+#define FSEEK(ldptr,o,p) PerlIO_seek(IOPTR(ldptr),(p==BEGINNING)?(OFFSET(ldptr)+o):o,p)
+#define FREAD(p,s,n,ldptr) PerlIO_read(IOPTR(ldptr),p,s*n)
+#endif
+
/*
* We simulate dlopen() et al. through a call to load. Because AIX has
* no call to find an exported symbol we read the loader section of the
@@ -389,7 +395,13 @@ static int readExports(ModulePtr mp)
;
return -1;
}
+/* This first case is a hack, since it assumes that the 3rd parameter to
+ FREAD is 1. See the redefinition of FREAD above to see how this works. */
+#ifdef USE_PERLIO
+ if (FREAD(ldbuf, sh.s_size, 1, ldp) != sh.s_size) {
+#else
if (FREAD(ldbuf, sh.s_size, 1, ldp) != 1) {
+#endif
errvalid++;
strcpy(errbuf, "readExports: cannot read loader section");
safefree(ldbuf);