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Diffstat (limited to 'src/arbits/slbt_archive_symfile.c')
-rw-r--r--src/arbits/slbt_archive_symfile.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/arbits/slbt_archive_symfile.c b/src/arbits/slbt_archive_symfile.c
new file mode 100644
index 0000000..498851f
--- /dev/null
+++ b/src/arbits/slbt_archive_symfile.c
@@ -0,0 +1,123 @@
+/*******************************************************************/
+/* slibtool: a skinny libtool implementation, written in C */
+/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
+/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <time.h>
+#include <locale.h>
+#include <regex.h>
+#include <inttypes.h>
+#include <slibtool/slibtool.h>
+#include <slibtool/slibtool_output.h>
+#include "slibtool_driver_impl.h"
+#include "slibtool_dprintf_impl.h"
+#include "slibtool_errinfo_impl.h"
+#include "slibtool_pecoff_impl.h"
+#include "slibtool_ar_impl.h"
+
+/********************************************************/
+/* Generate a symbol list that could be used by a build */
+/* system for code generation or any other purpose. */
+/* */
+/* The output matches the -Wposix variant of symbol */
+/* printing, but the interface should be kept separate */
+/* since the _au_output_ functions implement several */
+/* output format, whereas here only a single, plain */
+/* output is expected. */
+/********************************************************/
+
+static int slbt_ar_output_symfile_impl(
+ const struct slbt_driver_ctx * dctx,
+ struct slbt_archive_meta_impl * mctx,
+ int fdout)
+{
+ bool fsort;
+ bool fcoff;
+ const char * regex;
+ const char ** symv;
+ const char ** symstrv;
+ regex_t regctx;
+ regmatch_t pmatch[2] = {{0,0},{0,0}};
+
+ fsort = !(dctx->cctx->fmtflags & SLBT_OUTPUT_ARCHIVE_NOSORT);
+
+ fcoff = slbt_host_objfmt_is_coff(dctx);
+ fcoff |= (mctx->ofmtattr & AR_OBJECT_ATTR_COFF);
+
+ if (fsort && !mctx->mapstrv)
+ if (slbt_update_mapstrv(dctx,mctx) < 0)
+ return SLBT_NESTED_ERROR(dctx);
+
+ if ((regex = dctx->cctx->regex))
+ if (regcomp(&regctx,regex,REG_EXTENDED|REG_NEWLINE))
+ return SLBT_CUSTOM_ERROR(
+ dctx,
+ SLBT_ERR_FLOW_ERROR);
+
+ symstrv = fsort ? mctx->mapstrv : mctx->symstrv;
+
+ for (symv=symstrv; *symv; symv++) {
+ if (!fcoff || slbt_is_strong_coff_symbol(*symv)) {
+ if (!regex || !regexec(&regctx,*symv,1,pmatch,0)) {
+ if (slbt_dprintf(fdout,"%s\n",*symv) < 0)
+ return SLBT_SYSTEM_ERROR(dctx,0);
+ }
+ }
+ }
+
+ if (regex)
+ regfree(&regctx);
+
+ return 0;
+}
+
+
+static int slbt_ar_create_symfile_impl(
+ const struct slbt_archive_meta * meta,
+ const char * path,
+ mode_t mode)
+{
+ int ret;
+ struct slbt_archive_meta_impl * mctx;
+ const struct slbt_driver_ctx * dctx;
+ struct slbt_fd_ctx fdctx;
+ int fdout;
+
+ mctx = slbt_archive_meta_ictx(meta);
+ dctx = (slbt_archive_meta_ictx(meta))->dctx;
+
+ if (slbt_lib_get_driver_fdctx(dctx,&fdctx) < 0)
+ return SLBT_NESTED_ERROR(dctx);
+
+ if (!meta->a_memberv)
+ return 0;
+
+ if (path) {
+ if ((fdout = openat(
+ fdctx.fdcwd,path,
+ O_WRONLY|O_CREAT|O_TRUNC,
+ mode)) < 0)
+ return SLBT_SYSTEM_ERROR(dctx,0);
+ } else {
+ fdout = fdctx.fdout;
+ }
+
+ ret = slbt_ar_output_symfile_impl(
+ dctx,mctx,fdout);
+
+ if (path) {
+ close(fdout);
+ }
+
+ return ret;
+}
+
+
+int slbt_ar_create_symfile(
+ const struct slbt_archive_meta * meta,
+ const char * path,
+ mode_t mode)
+{
+ return slbt_ar_create_symfile_impl(meta,path,mode);
+}