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-rw-r--r--include/mdso/mdso.h4
-rw-r--r--project/common.mk1
-rw-r--r--src/driver/mdso_amain.c3
-rw-r--r--src/driver/mdso_driver_ctx.c4
-rw-r--r--src/helper/mdso_create_asm_source.c31
-rw-r--r--src/internal/mdso_driver_impl.h1
-rw-r--r--src/object/mdso_create_implib_objects.c79
-rw-r--r--src/output/mdso_output_error.c2
-rw-r--r--src/skin/mdso_skin_default.c3
9 files changed, 122 insertions, 6 deletions
diff --git a/include/mdso/mdso.h b/include/mdso/mdso.h
index 6ef0c0a..5822880 100644
--- a/include/mdso/mdso.h
+++ b/include/mdso/mdso.h
@@ -34,6 +34,7 @@ extern "C" {
#define MDSO_DRIVER_DRY_RUN 0x0020
#define MDSO_DRIVER_QUAD_PTR 0x0040
#define MDSO_DRIVER_GENERATE_ASM 0x0100
+#define MDSO_DRIVER_GENERATE_OBJECTS 0x0200
#define MDSO_DRIVER_ANNOTATE_ALWAYS 0x1000
#define MDSO_DRIVER_ANNOTATE_NEVER 0x2000
@@ -51,6 +52,7 @@ enum mdso_custom_error {
MDSO_ERR_NULL_CONTEXT,
MDSO_ERR_NULL_SOURCE,
MDSO_ERR_INVALID_DATA,
+ MDSO_ERR_INVALID_DSTDIR,
MDSO_ERR_INVALID_CONTEXT,
MDSO_ERR_INVALID_SOURCE,
MDSO_ERR_SOURCE_SIZE_ZERO,
@@ -134,10 +136,12 @@ mdso_api int mdso_unmap_input (struct mdso_input *);
/* helper api */
mdso_api FILE*mdso_create_asm_source (const struct mdso_driver_ctx *, const char * asmname);
+mdso_api FILE*mdso_create_object (const struct mdso_driver_ctx *, const char * objname);
/* utility api */
mdso_api int mdso_main (int, char **, char **);
mdso_api int mdso_create_implib_sources(const struct mdso_driver_ctx *);
+mdso_api int mdso_create_implib_objects(const struct mdso_driver_ctx *);
mdso_api int mdso_output_export_symbols(const struct mdso_driver_ctx *, const struct mdso_unit_ctx *, FILE *);
mdso_api int mdso_output_error_record (const struct mdso_driver_ctx *, const struct mdso_error_info *);
mdso_api int mdso_output_error_vector (const struct mdso_driver_ctx *);
diff --git a/project/common.mk b/project/common.mk
index fc3d5c1..65bcd2e 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -10,6 +10,7 @@ API_SRCS = \
src/logic/mdso_asmgen_symentry.c \
src/logic/mdso_asmgen_symfn.c \
src/logic/mdso_map_input.c \
+ src/object/mdso_create_implib_objects.c \
src/object/mdso_objgen_dsometa.c \
src/object/mdso_objgen_symentry.c \
src/object/mdso_objgen_symfn.c \
diff --git a/src/driver/mdso_amain.c b/src/driver/mdso_amain.c
index b85a568..629b606 100644
--- a/src/driver/mdso_amain.c
+++ b/src/driver/mdso_amain.c
@@ -81,6 +81,9 @@ int mdso_main(int argc, char ** argv, char ** envp)
if (dctx->cctx->drvflags & MDSO_DRIVER_GENERATE_ASM)
mdso_create_implib_sources(dctx);
+ if (dctx->cctx->drvflags & MDSO_DRIVER_GENERATE_OBJECTS)
+ mdso_create_implib_objects(dctx);
+
for (unit=dctx->units; *unit && !dctx->errv[0]; unit++) {
if (!(mdso_get_unit_ctx(dctx,*unit,&uctx))) {
mdso_perform_unit_actions(dctx,uctx);
diff --git a/src/driver/mdso_driver_ctx.c b/src/driver/mdso_driver_ctx.c
index 1c96911..3decf70 100644
--- a/src/driver/mdso_driver_ctx.c
+++ b/src/driver/mdso_driver_ctx.c
@@ -196,6 +196,10 @@ int mdso_get_driver_ctx(
cctx.drvflags |= MDSO_DRIVER_GENERATE_ASM;
break;
+ case TAG_OBJ:
+ cctx.drvflags |= MDSO_DRIVER_GENERATE_OBJECTS;
+ break;
+
case TAG_QUAD_PTR:
if (!(strcmp(entry->arg,"64")))
cctx.drvflags |= MDSO_DRIVER_QUAD_PTR;
diff --git a/src/helper/mdso_create_asm_source.c b/src/helper/mdso_create_asm_source.c
index 85aaaba..b152697 100644
--- a/src/helper/mdso_create_asm_source.c
+++ b/src/helper/mdso_create_asm_source.c
@@ -15,22 +15,19 @@
#include "mdso_driver_impl.h"
#include "mdso_errinfo_impl.h"
-FILE * mdso_create_asm_source(
+static FILE * mdso_create_output(
const struct mdso_driver_ctx * dctx,
- const char * asmname)
+ const char * name)
{
struct mdso_driver_ctx_impl * ictx;
uintptr_t addr;
int fdout;
FILE * fout;
- if (!dctx->cctx->dstdir)
- return stdout;
-
addr = (uintptr_t)dctx - offsetof(struct mdso_driver_ctx_impl,ctx);
ictx = (struct mdso_driver_ctx_impl *)addr;
- if ((fdout = openat(ictx->fddst,asmname,
+ if ((fdout = openat(ictx->fddst,name,
O_CREAT|O_TRUNC|O_WRONLY|O_NOCTTY|O_NOFOLLOW,
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) {
MDSO_SYSTEM_ERROR(dctx);
@@ -45,3 +42,25 @@ FILE * mdso_create_asm_source(
return fout;
}
+
+FILE * mdso_create_asm_source(
+ const struct mdso_driver_ctx * dctx,
+ const char * asmname)
+{
+ if (!dctx->cctx->dstdir)
+ return stdout;
+
+ return mdso_create_output(dctx,asmname);
+}
+
+FILE * mdso_create_object(
+ const struct mdso_driver_ctx * dctx,
+ const char * objname)
+{
+ if (!dctx->cctx->dstdir) {
+ MDSO_CUSTOM_ERROR(dctx,MDSO_ERR_INVALID_DSTDIR);
+ return 0;
+ }
+
+ return mdso_create_output(dctx,objname);
+}
diff --git a/src/internal/mdso_driver_impl.h b/src/internal/mdso_driver_impl.h
index 5e260f8..ffeae9d 100644
--- a/src/internal/mdso_driver_impl.h
+++ b/src/internal/mdso_driver_impl.h
@@ -16,6 +16,7 @@ enum app_tags {
TAG_HELP,
TAG_VERSION,
TAG_ASM,
+ TAG_OBJ,
TAG_QUAD_PTR,
TAG_LIBPATH,
TAG_LIBNAME,
diff --git a/src/object/mdso_create_implib_objects.c b/src/object/mdso_create_implib_objects.c
new file mode 100644
index 0000000..dd681e0
--- /dev/null
+++ b/src/object/mdso_create_implib_objects.c
@@ -0,0 +1,79 @@
+/****************************************************************/
+/* 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 <string.h>
+
+#include <mdso/mdso.h>
+#include "mdso_errinfo_impl.h"
+
+static void mdso_init_objname(char * buf, const char * fmt, const char * str)
+{
+ char hexstr[24];
+ long long unsigned int crc64;
+
+ if (strlen(str) + strlen(fmt) > (PATH_MAX - 1)) {
+ crc64 = mdso_crc64_mbstr((const unsigned char *)str,0);
+ sprintf(hexstr,"%llx",crc64);
+ sprintf(buf,fmt,hexstr);
+ } else
+ sprintf(buf,fmt,str);
+}
+
+mdso_api int mdso_create_implib_objects(const struct mdso_driver_ctx * dctx)
+{
+ struct mdso_unit_ctx * uctx;
+ const char ** unit;
+ FILE * fout;
+ char objname[PATH_MAX];
+ const char * const * sym;
+ int ret;
+
+ mdso_init_objname(objname,".dsometa_%s.o",dctx->cctx->libname);
+
+ if (!(fout = mdso_create_object(dctx,objname)))
+ return MDSO_NESTED_ERROR(dctx);
+
+ ret = mdso_objgen_dsometa(dctx,fout,0);
+ fclose(fout);
+
+ if (ret < 0)
+ return MDSO_NESTED_ERROR(dctx);
+
+ for (unit=dctx->units; *unit; unit++) {
+ if (mdso_get_unit_ctx(dctx,*unit,&uctx))
+ return MDSO_NESTED_ERROR(dctx);
+
+ for (sym=uctx->syms; *sym; sym++) {
+ mdso_init_objname(objname,".%s_symentry.o",*sym);
+
+ if (!(fout = mdso_create_object(dctx,objname)))
+ return MDSO_NESTED_ERROR(dctx);
+
+ ret = mdso_objgen_symentry(dctx,*sym,fout,0);
+ fclose(fout);
+
+ if (ret < 0)
+ return MDSO_NESTED_ERROR(dctx);
+
+ mdso_init_objname(objname,".%s_symfn.o",*sym);
+
+ if (!(fout = mdso_create_object(dctx,objname)))
+ return MDSO_NESTED_ERROR(dctx);
+
+ ret = mdso_objgen_symfn(dctx,*sym,fout,0);
+ fclose(fout);
+
+ if (ret < 0)
+ return MDSO_NESTED_ERROR(dctx);
+ }
+
+ mdso_free_unit_ctx(uctx);
+ }
+
+ return 0;
+}
diff --git a/src/output/mdso_output_error.c b/src/output/mdso_output_error.c
index 53974fc..08d66dc 100644
--- a/src/output/mdso_output_error.c
+++ b/src/output/mdso_output_error.c
@@ -23,6 +23,8 @@ static const char const * const mdso_error_strings[MDSO_ERR_CAP] = {
[MDSO_ERR_FLEE_ERROR] = "flees and bugs and cats and mice",
[MDSO_ERR_NULL_CONTEXT] = "null driver or unit context",
[MDSO_ERR_NULL_SOURCE] = "source file does not define any symbols",
+ [MDSO_ERR_INVALID_DATA] = "invalid data (symbol name too long)",
+ [MDSO_ERR_INVALID_DSTDIR] = "invalid destination directory",
[MDSO_ERR_INVALID_CONTEXT] = "invalid driver or unit context",
[MDSO_ERR_INVALID_SOURCE] = "invalid symbol definition source file",
[MDSO_ERR_SOURCE_SIZE_ZERO] = "cannot map an empty symbol definition source file",
diff --git a/src/skin/mdso_skin_default.c b/src/skin/mdso_skin_default.c
index e7ad452..1c0151e 100644
--- a/src/skin/mdso_skin_default.c
+++ b/src/skin/mdso_skin_default.c
@@ -11,6 +11,9 @@ const struct argv_option mdso_default_options[] = {
{"asm", 'a',TAG_ASM,ARGV_OPTARG_NONE,0,0,0,
"generate assembly sources"},
+ {"obj", 'b',TAG_OBJ,ARGV_OPTARG_NONE,0,0,0,
+ "generate objects"},
+
{"machine", 'm',TAG_QUAD_PTR,ARGV_OPTARG_REQUIRED,0,"32|64",0,
"set machine bits to %s"},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 23:18:47 +0000