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-rw-r--r--src/logic/mdso_asmgen_symfn.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/logic/mdso_asmgen_symfn.c b/src/logic/mdso_asmgen_symfn.c
new file mode 100644
index 0000000..a3960b3
--- /dev/null
+++ b/src/logic/mdso_asmgen_symfn.c
@@ -0,0 +1,42 @@
+/****************************************************************/
+/* mdso: midipix dso scavenger */
+/* Copyright (C) 2015--2017 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
+/****************************************************************/
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include <mdso/mdso.h>
+#include "mdso_errinfo_impl.h"
+
+static const char * const asm_lines[] = {
+ "\t.section .text\n",
+ "\t.globl %s%s\n",
+ "\t.def %s%s; .scl 2; .type 32; .endef\n\n",
+
+ "%s%s:\n",
+ "\tjmp *__imp_%s%s\n\n",
+ 0
+};
+
+int mdso_asmgen_symfn(
+ const struct mdso_driver_ctx * dctx,
+ const char * sym,
+ FILE * fout)
+{
+ const char * const * line;
+ const char * uscore;
+
+ if (fprintf(fout,"\t.file \"__%s_sym_fn.s\"\n",sym) < 0)
+ return MDSO_FILE_ERROR(dctx);
+
+ uscore = (dctx->cctx->drvflags & MDSO_DRIVER_QUAD_PTR)
+ ? "" : "_";
+
+ for (line=asm_lines; *line; line++)
+ if (fprintf(fout,*line,uscore,sym) < 0)
+ return MDSO_FILE_ERROR(dctx);
+
+ return 0;
+}