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-rw-r--r--src/logic/linkcmd/slbt_linkcmd_argv.c78
-rw-r--r--src/skin/slbt_skin_default.c4
2 files changed, 81 insertions, 1 deletions
diff --git a/src/logic/linkcmd/slbt_linkcmd_argv.c b/src/logic/linkcmd/slbt_linkcmd_argv.c
index 3999b29..403023f 100644
--- a/src/logic/linkcmd/slbt_linkcmd_argv.c
+++ b/src/logic/linkcmd/slbt_linkcmd_argv.c
@@ -739,6 +739,7 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
char ** oargv;
char ** lobjv;
char ** cnvlv;
+ char ** dlargv;
char ** cap;
char ** src;
char ** dst;
@@ -902,6 +903,10 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
*aarg++ = *parg++;
}
+ /* dlsyms vtable object must only be added once (see below) */
+ } else if (!strcmp(*parg,"-dlpreopen")) {
+ parg++;
+
/* placeholder argument? */
} else if (!strncmp(*parg,"-USLIBTOOL_PLACEHOLDER_",23)) {
parg++;
@@ -912,6 +917,10 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
}
}
+ /* dlsyms vtable object inclusion */
+ if (ectx->dlopenobj)
+ *oarg++ = ectx->dlopenobj;
+
/* export-symbols-regex, proper dlpreopen support */
if (dctx->cctx->libname)
if (slbt_exec_link_create_expsyms_archive(
@@ -954,6 +963,75 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
ectx->mout[1] = ectx->mout[0] + 1;
}
+ /* dlsyms vtable object compilation */
+ if (ectx->dlopenobj) {
+ dlargv = (slbt_get_exec_ictx(ectx))->dlargv;
+ *dlargv = base[0];
+
+ src = aargv;
+ cap = aarg;
+ dst = &dlargv[1];
+
+ /* compile argv, based on the linkcmd argv */
+ for (; src<cap; ) {
+ if ((src[0][0] == '-') && (src[0][1] == '-')) {
+ *dst++ = *src;
+
+ } else if ((src[0][0] == '-') && (src[0][1] == 'L')) {
+ (void)0;
+
+ } else if ((src[0][0] == '-') && (src[0][1] == 'l')) {
+ (void)0;
+
+ } else if ((src[0][0] == '-') && (src[0][1] == 'o')) {
+ src++;
+
+ } else if ((src[0][0] == '-') && (src[0][1] == 'D')) {
+ if (!src[0][2])
+ src++;
+
+ } else if ((src[0][0] == '-') && (src[0][1] == 'U')) {
+ if (!src[0][2])
+ src++;
+
+ } else if ((src[0][0] == '-') && (src[0][1] == 'W')) {
+ if ((src[0][2] == 'a') && (src[0][3] == ','))
+ *dst++ = *src;
+ } else {
+ *dst++ = *src;
+ }
+
+ src++;
+ }
+
+ *dst++ = dctx->cctx->settings.picswitch
+ ? dctx->cctx->settings.picswitch
+ : *ectx->fpic;
+
+ *dst++ = "-c";
+ *dst++ = ectx->dlopensrc;
+
+ *dst++ = "-o";
+ *dst++ = ectx->dlopenobj;
+
+ /* nested compile step */
+ ectx->argv = dlargv;
+
+ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT))
+ if (slbt_output_compile(ectx))
+ return SLBT_NESTED_ERROR(dctx);
+
+ if ((slbt_spawn(ectx,true) < 0) && (ectx->pid < 0))
+ return SLBT_SYSTEM_ERROR(dctx,0);
+
+ if (ectx->exitcode)
+ return SLBT_CUSTOM_ERROR(
+ dctx,
+ SLBT_ERR_COMPILE_ERROR);
+
+ ectx->argv = base;
+ }
+
/* all done */
if (sargvbuf)
free(sargvbuf);
diff --git a/src/skin/slbt_skin_default.c b/src/skin/slbt_skin_default.c
index a6cc9b2..d01d236 100644
--- a/src/skin/slbt_skin_default.c
+++ b/src/skin/slbt_skin_default.c
@@ -209,7 +209,9 @@ const slbt_hidden struct argv_option slbt_default_options[] = {
ARGV_OPTION_HYBRID_ONLY|ARGV_OPTION_HYBRID_SPACE,
0,"<FILE>",
"Link the specified %s into the generated library "
- "or executable"},
+ "or executable, and make it available to the compiled "
+ "shared library, dynamic module, or executable program "
+ "via a backward-compatible dlsymas vtable."},
{"export-dynamic", 0,TAG_EXPORT_DYNAMIC,ARGV_OPTARG_NONE,
ARGV_OPTION_HYBRID_ONLY,0,0,