summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/driver/slbt_driver_ctx.c94
-rw-r--r--src/internal/slibtool_driver_impl.h11
-rw-r--r--src/internal/slibtool_objlist_impl.c82
-rw-r--r--src/internal/slibtool_objlist_impl.h10
-rw-r--r--src/skin/slbt_skin_default.c5
5 files changed, 189 insertions, 13 deletions
diff --git a/src/driver/slbt_driver_ctx.c b/src/driver/slbt_driver_ctx.c
index 4a5bf62..fe5f19e 100644
--- a/src/driver/slbt_driver_ctx.c
+++ b/src/driver/slbt_driver_ctx.c
@@ -18,6 +18,7 @@
#include <slibtool/slibtool.h>
#include "slibtool_version.h"
#include "slibtool_driver_impl.h"
+#include "slibtool_objlist_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_lconf_impl.h"
#include "argv/argv.h"
@@ -171,8 +172,12 @@ static uint32_t slbt_argv_flags(uint32_t flags)
return ret;
}
-static int slbt_free_argv_buffer(struct slbt_split_vector * sargv)
+static int slbt_free_argv_buffer(
+ struct slbt_split_vector * sargv,
+ struct slbt_obj_list * objlistv)
{
+ struct slbt_obj_list * objlistp;
+
if (sargv->dargs)
free(sargv->dargs);
@@ -182,6 +187,15 @@ static int slbt_free_argv_buffer(struct slbt_split_vector * sargv)
if (sargv->targv)
free(sargv->targv);
+ if (objlistv) {
+ for (objlistp=objlistv; objlistp->name; objlistp++) {
+ free(objlistp->objv);
+ free(objlistp->addr);
+ }
+
+ free(objlistv);
+ }
+
return -1;
}
@@ -192,6 +206,7 @@ static int slbt_driver_usage(
const struct argv_option ** optv,
struct argv_meta * meta,
struct slbt_split_vector * sargv,
+ struct slbt_obj_list * objlistv,
int noclr)
{
char header[512];
@@ -211,7 +226,7 @@ static int slbt_driver_usage(
}
argv_free(meta);
- slbt_free_argv_buffer(sargv);
+ slbt_free_argv_buffer(sargv,objlistv);
return SLBT_USAGE;
}
@@ -221,6 +236,7 @@ static struct slbt_driver_ctx_impl * slbt_driver_ctx_alloc(
const struct slbt_fd_ctx * fdctx,
const struct slbt_common_ctx * cctx,
struct slbt_split_vector * sargv,
+ struct slbt_obj_list * objlistv,
char ** envp)
{
struct slbt_driver_ctx_alloc * ictx;
@@ -230,7 +246,7 @@ static struct slbt_driver_ctx_impl * slbt_driver_ctx_alloc(
size = sizeof(struct slbt_driver_ctx_alloc);
if (!(ictx = calloc(1,size))) {
- slbt_free_argv_buffer(sargv);
+ slbt_free_argv_buffer(sargv,objlistv);
return 0;
}
@@ -248,8 +264,11 @@ static struct slbt_driver_ctx_impl * slbt_driver_ctx_alloc(
ictx->ctx.errinfp = &ictx->ctx.erriptr[0];
ictx->ctx.erricap = &ictx->ctx.erriptr[--elements];
+ ictx->ctx.objlistv = objlistv;
+
ictx->meta = meta;
ictx->ctx.ctx.errv = ictx->ctx.errinfp;
+
return &ictx->ctx;
}
@@ -271,16 +290,22 @@ static int slbt_split_argv(
char ** argv,
uint32_t flags,
struct slbt_split_vector * sargv,
- int fderr)
+ struct slbt_obj_list ** aobjlistv,
+ int fderr,
+ int fdcwd)
{
int i;
int argc;
+ int objc;
const char * program;
char * compiler;
char * csysroot;
char ** dargv;
char ** targv;
char ** cargv;
+ char ** objp;
+ struct slbt_obj_list * objlistv;
+ struct slbt_obj_list * objlistp;
char * dst;
bool flast;
bool fcopy;
@@ -311,7 +336,7 @@ static int slbt_split_argv(
if (!argv[1] && (flags & SLBT_DRIVER_VERBOSITY_USAGE))
return slbt_driver_usage(
fderr,program,
- 0,optv,0,sargv,
+ 0,optv,0,sargv,0,
!!getenv("NO_COLOR"));
/* initial argv scan: ... --mode=xxx ... <compiler> ... */
@@ -387,6 +412,14 @@ static int slbt_split_argv(
else if (!(sargv->dargs = calloc(1,size+1)))
return -1;
+ else if (!(*aobjlistv = calloc(argc >> 1,sizeof(**aobjlistv)))) {
+ free(sargv->dargv);
+ free(sargv->dargs);
+ return -1;
+ }
+
+ objlistv = *aobjlistv;
+ objlistp = objlistv;
csysroot = 0;
for (i=0,flast=false,dargv=sargv->dargv,dst=sargv->dargs; i<argc; i++) {
@@ -469,6 +502,15 @@ static int slbt_split_argv(
strcpy(dst,argv[i]);
dst += strlen(dst)+1;
+ } else if (!strcmp(argv[i],"-objectlist")) {
+ *dargv++ = dst;
+ strcpy(dst,argv[i++]);
+ dst += strlen(dst)+1;
+
+ objlistp->name = dst;
+ objlistp++;
+ fcopy = true;
+
} else {
fcopy = true;
}
@@ -484,8 +526,16 @@ static int slbt_split_argv(
argc = dargv - sargv->dargv;
argv = sargv->dargv;
+ /* iterate through the object list vector: map, parse, store */
+ for (objlistp=objlistv; objlistp->name; objlistp++)
+ if (slbt_objlist_read(fdcwd,objlistp) < 0)
+ return -1;
+
+ for (objc=0,objlistp=objlistv; objlistp->name; objlistp++)
+ objc += objlistp->objc;
+
/* allocate split vectors, account for cargv's added sysroot */
- if ((sargv->targv = calloc(2*(argc+3),sizeof(char *))))
+ if ((sargv->targv = calloc(objc + 2*(argc+3),sizeof(char *))))
sargv->cargv = sargv->targv + argc + 2;
else
return -1;
@@ -541,7 +591,7 @@ static int slbt_split_argv(
*cargv++ = csysroot;
/* remaining vector */
- for (; i<argc; i++) {
+ for (objlistp=objlistv; i<argc; i++) {
if (argv[i][0] != '-') {
if (argv[i+1] && (argv[i+1][0] == '+')
&& (argv[i+1][1] == '=')
@@ -552,6 +602,14 @@ static int slbt_split_argv(
else
*cargv++ = argv[i];
+ /* must capture -objectlist prior to -o */
+ } else if (!(strcmp("objectlist",&argv[i][1]))) {
+ for (objp=objlistp->objv; *objp; objp++)
+ *cargv++ = *objp;
+
+ i++;
+ objlistp++;
+
} else if (argv[i][1] == 'o') {
*targv++ = argv[i];
@@ -1346,6 +1404,7 @@ int slbt_get_driver_ctx(
struct slbt_driver_ctx ** pctx)
{
struct slbt_split_vector sargv;
+ struct slbt_obj_list * objlistv;
struct slbt_driver_ctx_impl * ctx;
struct slbt_common_ctx cctx;
const struct argv_option * optv[SLBT_OPTV_ELEMENTS];
@@ -1368,15 +1427,16 @@ int slbt_get_driver_ctx(
sargv.dargv = 0;
sargv.targv = 0;
sargv.cargv = 0;
+ objlistv = 0;
- if (slbt_split_argv(argv,flags,&sargv,fdctx->fderr))
- return slbt_free_argv_buffer(&sargv);
+ if (slbt_split_argv(argv,flags,&sargv,&objlistv,fdctx->fderr,fdctx->fdcwd))
+ return slbt_free_argv_buffer(&sargv,objlistv);
if (!(meta = argv_get(
sargv.targv,optv,
slbt_argv_flags(flags),
fdctx->fderr)))
- return slbt_free_argv_buffer(&sargv);
+ return slbt_free_argv_buffer(&sargv,objlistv);
lconf = 0;
program = argv_program_name(argv[0]);
@@ -1412,7 +1472,7 @@ int slbt_get_driver_ctx(
? slbt_driver_usage(
fdctx->fdout,program,
entry->arg,optv,
- meta,&sargv,
+ meta,&sargv,objlistv,
(cctx.drvflags & SLBT_DRIVER_ANNOTATE_NEVER))
: SLBT_USAGE;
}
@@ -1777,7 +1837,7 @@ int slbt_get_driver_ctx(
cctx.tag = SLBT_TAG_CC;
/* driver context */
- if (!(ctx = slbt_driver_ctx_alloc(meta,fdctx,&cctx,&sargv,envp)))
+ if (!(ctx = slbt_driver_ctx_alloc(meta,fdctx,&cctx,&sargv,objlistv,envp)))
return slbt_get_driver_ctx_fail(0,meta);
/* ctx */
@@ -1860,6 +1920,7 @@ static void slbt_free_driver_ctx_impl(struct slbt_driver_ctx_alloc * ictx)
{
struct slbt_error_info ** perr;
struct slbt_error_info * erri;
+ struct slbt_obj_list * objlistp;
for (perr=ictx->ctx.errinfp; *perr; perr++) {
erri = *perr;
@@ -1868,10 +1929,16 @@ static void slbt_free_driver_ctx_impl(struct slbt_driver_ctx_alloc * ictx)
free(erri->eany);
}
-
if (ictx->ctx.libname)
free(ictx->ctx.libname);
+ for (objlistp=ictx->ctx.objlistv; objlistp->name; objlistp++) {
+ free(objlistp->objv);
+ free(objlistp->addr);
+ }
+
+ free(ictx->ctx.objlistv);
+
free(ictx->ctx.dargs);
free(ictx->ctx.dargv);
free(ictx->ctx.targv);
@@ -1879,6 +1946,7 @@ static void slbt_free_driver_ctx_impl(struct slbt_driver_ctx_alloc * ictx)
slbt_free_host_params(&ictx->ctx.host);
slbt_free_host_params(&ictx->ctx.ahost);
argv_free(ictx->meta);
+
free(ictx);
}
diff --git a/src/internal/slibtool_driver_impl.h b/src/internal/slibtool_driver_impl.h
index 0971fd9..0293308 100644
--- a/src/internal/slibtool_driver_impl.h
+++ b/src/internal/slibtool_driver_impl.h
@@ -9,6 +9,7 @@
#include <stdint.h>
#include <stdio.h>
+#include <sys/stat.h>
#include <sys/types.h>
#include <slibtool/slibtool.h>
@@ -54,6 +55,7 @@ enum app_tags {
TAG_RPATH,
TAG_SYSROOT,
TAG_RELEASE,
+ TAG_OBJECTLIST,
TAG_DLOPEN,
TAG_DLPREOPEN,
TAG_EXPORT_DYNAMIC,
@@ -99,12 +101,21 @@ struct slbt_host_strs {
char * mdso;
};
+struct slbt_obj_list {
+ const char * name;
+ void * addr;
+ size_t size;
+ int objc;
+ char ** objv;
+};
+
struct slbt_driver_ctx_impl {
struct slbt_common_ctx cctx;
struct slbt_driver_ctx ctx;
struct slbt_host_strs host;
struct slbt_host_strs ahost;
struct slbt_fd_ctx fdctx;
+ struct slbt_obj_list * objlistv;
char * libname;
char * dargs;
char ** dargv;
diff --git a/src/internal/slibtool_objlist_impl.c b/src/internal/slibtool_objlist_impl.c
new file mode 100644
index 0000000..be3d994
--- /dev/null
+++ b/src/internal/slibtool_objlist_impl.c
@@ -0,0 +1,82 @@
+/*******************************************************************/
+/* slibtool: a skinny libtool implementation, written in C */
+/* Copyright (C) 2016--2023 SysDeer Technologies, LLC */
+/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include "slibtool_driver_impl.h"
+#include "slibtool_errinfo_impl.h"
+#include "slibtool_mapfile_impl.h"
+#include "slibtool_objlist_impl.h"
+
+int slbt_objlist_read(
+ int fdcwd,
+ struct slbt_obj_list * objlist)
+{
+ struct slbt_map_info * mapinfo;
+ int objc;
+ char ** objv;
+ char * src;
+ char * dst;
+ char * mark;
+ int skip;
+
+ /* temporarily map the object list */
+ if (!(mapinfo = slbt_map_file(fdcwd,objlist->name,SLBT_MAP_INPUT)))
+ return -1;
+
+ /* object list, cautionary null termination, vector null termination */
+ objlist->size = mapinfo->size;
+ objlist->size++;
+ objlist->size++;
+
+ if (!(objlist->addr = calloc(1,objlist->size))) {
+ slbt_unmap_file(mapinfo);
+ return -1;
+ }
+
+ /* object list file to normalized object strings */
+ objc = 0;
+ skip = true;
+
+ for (src=mapinfo->addr,dst=objlist->addr; src<mapinfo->cap; src++) {
+ if (!*src || (*src==' ') || (*src=='\n') || (*src=='\r')) {
+ if (!skip)
+ *dst++ = 0;
+
+ skip = true;
+ } else {
+ *dst++ = *src;
+
+ objc += !!skip;
+ skip = false;
+ }
+ }
+
+ /* object vector */
+ objlist->objc = objc;
+
+ if (!(objlist->objv = calloc(++objc,sizeof(char *)))) {
+ free(objlist->addr);
+ slbt_unmap_file(mapinfo);
+ return -1;
+ }
+
+ for (objv=objlist->objv,mark=objlist->addr; *mark; objv++) {
+ *objv = mark;
+ mark += strlen(mark) + 1;
+ }
+
+ slbt_unmap_file(mapinfo);
+
+ return 0;
+}
diff --git a/src/internal/slibtool_objlist_impl.h b/src/internal/slibtool_objlist_impl.h
new file mode 100644
index 0000000..cb11d07
--- /dev/null
+++ b/src/internal/slibtool_objlist_impl.h
@@ -0,0 +1,10 @@
+#ifndef SLIBTOOL_OBJLIST_IMPL_H
+#define SLIBTOOL_OBJLIST_IMPL_H
+
+#include "slibtool_driver_impl.h"
+
+int slbt_objlist_read(
+ int fdcwd,
+ struct slbt_obj_list * objlist);
+
+#endif
diff --git a/src/skin/slbt_skin_default.c b/src/skin/slbt_skin_default.c
index 3be3b74..5c4d67d 100644
--- a/src/skin/slbt_skin_default.c
+++ b/src/skin/slbt_skin_default.c
@@ -177,6 +177,11 @@ const struct argv_option slbt_default_options[] = {
"followed by the creation of libfoo.so "
"as a symlink thereto"},
+ {"objectlist", 0,TAG_OBJECTLIST,ARGV_OPTARG_REQUIRED,
+ ARGV_OPTION_HYBRID_ONLY|ARGV_OPTION_HYBRID_SPACE,
+ 0,"<file>",
+ "add the object listed in %s to the object vector}"},
+
{"dlopen", 0,TAG_DLOPEN,ARGV_OPTARG_REQUIRED,
ARGV_OPTION_HYBRID_ONLY|ARGV_OPTION_HYBRID_SPACE,
0,"<module>",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 05:51:24 +0000