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-rw-r--r--src/logic/linkcmd/slbt_linkcmd_argv.c184
-rw-r--r--src/logic/linkcmd/slbt_linkcmd_dsolib.c20
2 files changed, 195 insertions, 9 deletions
diff --git a/src/logic/linkcmd/slbt_linkcmd_argv.c b/src/logic/linkcmd/slbt_linkcmd_argv.c
index 987bfc8..f062ae7 100644
--- a/src/logic/linkcmd/slbt_linkcmd_argv.c
+++ b/src/logic/linkcmd/slbt_linkcmd_argv.c
@@ -15,6 +15,7 @@
#include <slibtool/slibtool.h>
#include "slibtool_driver_impl.h"
#include "slibtool_errinfo_impl.h"
+#include "slibtool_spawn_impl.h"
#include "slibtool_linkcmd_impl.h"
#include "slibtool_mapfile_impl.h"
#include "slibtool_metafile_impl.h"
@@ -560,6 +561,127 @@ slbt_hidden int slbt_exec_link_adjust_argument_vector(
}
+static int slbt_exec_link_remove_file(
+ const struct slbt_driver_ctx * dctx,
+ struct slbt_exec_ctx * ectx,
+ const char * target)
+{
+ int fdcwd;
+
+ (void)ectx;
+
+ /* fdcwd */
+ fdcwd = slbt_driver_fdcwd(dctx);
+
+ /* remove target (if any) */
+ if (!unlinkat(fdcwd,target,0) || (errno == ENOENT))
+ return 0;
+
+ return SLBT_SYSTEM_ERROR(dctx,0);
+}
+
+
+static int slbt_exec_link_create_expsyms_archive(
+ const struct slbt_driver_ctx * dctx,
+ struct slbt_exec_ctx * ectx,
+ char ** lobjv,
+ char ** cnvlv)
+{
+ int ret;
+ char * dot;
+ char ** argv;
+ char ** aarg;
+ char ** parg;
+ struct slbt_archive_ctx * arctx;
+ char ** ectx_argv;
+ char * ectx_program;
+ char program[PATH_MAX];
+ char output [PATH_MAX];
+
+ /* output */
+ if (slbt_snprintf(output,sizeof(output),
+ "%s",ectx->mapfilename) < 0)
+ return SLBT_BUFFER_ERROR(dctx);
+
+ if (!(dot = strrchr(output,'.')))
+ return SLBT_CUSTOM_ERROR(
+ dctx,
+ SLBT_ERR_FLOW_ERROR);
+
+ dot[1] = 'a';
+ dot[2] = '\0';
+
+ /* tool-specific argument vector */
+ argv = (slbt_get_driver_ictx(dctx))->host.ar_argv;
+
+ /* ar alternate argument vector */
+ if (!argv)
+ if (slbt_snprintf(program,sizeof(program),
+ "%s",dctx->cctx->host.ar) < 0)
+ return SLBT_BUFFER_ERROR(dctx);
+
+ /* ar command argument vector */
+ aarg = lobjv;
+
+ if ((parg = argv)) {
+ for (; *parg; )
+ *aarg++ = *parg++;
+ } else {
+ *aarg++ = program;
+ }
+
+ *aarg++ = "-crs";
+ *aarg++ = output;
+
+ ectx_argv = ectx->argv;
+ ectx_program = ectx->program;
+
+ ectx->argv = lobjv;
+ ectx->program = ectx->argv[0];
+
+ /* step output */
+ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT))
+ if (slbt_output_link(ectx))
+ return SLBT_NESTED_ERROR(dctx);
+
+ /* remove old archive as needed */
+ if (slbt_exec_link_remove_file(dctx,ectx,output))
+ return SLBT_NESTED_ERROR(dctx);
+
+ /* ar spawn */
+ if ((slbt_spawn(ectx,true) < 0) && (ectx->pid < 0)) {
+ return SLBT_SPAWN_ERROR(dctx);
+
+ } else if (ectx->exitcode) {
+ return SLBT_CUSTOM_ERROR(
+ dctx,
+ SLBT_ERR_AR_ERROR);
+ }
+
+ /* restore link command ectx */
+ ectx->argv = ectx_argv;
+ ectx->program = ectx_program;
+
+ /* input objects associated with .la archives */
+ for (parg=cnvlv; *parg; parg++)
+ if (slbt_util_import_archive(ectx,output,*parg))
+ return SLBT_NESTED_ERROR(dctx);
+
+ /* do the thing */
+ if (slbt_ar_get_archive_ctx(dctx,output,&arctx) < 0)
+ return SLBT_NESTED_ERROR(dctx);
+
+ ret = slbt_ar_create_mapfile(
+ arctx->meta,
+ ectx->mapfilename,
+ 0644);
+
+ slbt_ar_free_archive_ctx(arctx);
+
+ return (ret < 0) ? SLBT_NESTED_ERROR(dctx) : 0;
+}
+
+
slbt_hidden int slbt_exec_link_finalize_argument_vector(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx)
@@ -568,14 +690,21 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
char ** sargvbuf;
char ** base;
char ** parg;
+ char ** pcap;
+ char ** argv;
+ char ** mark;
char ** aarg;
char ** oarg;
+ char ** lobj;
+ char ** cnvl;
char ** larg;
char ** darg;
char ** earg;
char ** rarg;
char ** aargv;
char ** oargv;
+ char ** lobjv;
+ char ** cnvlv;
char ** cap;
char ** src;
char ** dst;
@@ -591,29 +720,58 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
for (parg=base; *parg; parg++)
(void)0;
+ if (dctx->cctx->regex) {
+ argv = (slbt_get_driver_ictx(dctx))->host.ar_argv;
+
+ for (mark=argv; mark && *mark; mark++)
+ (void)0;
+ } else {
+ argv = 0;
+ mark = 0;
+ }
+
/* buffer */
- if (parg - base < 512) {
+ if ((parg - base) + (mark - argv) < 256) {
aargv = &sargv[0];
- oargv = &sargv[512];
- aarg = aargv;
- oarg = oargv;
+ oargv = &sargv[1*256];
+ lobjv = &sargv[2*256];
+ cnvlv = &sargv[3*256];
sargvbuf = 0;
- } else if (!(sargvbuf = calloc(2*(parg-base+1),sizeof(char *)))) {
+ parg = &sargv[0];
+ pcap = &sargv[1024];
+
+ for (; parg<pcap; )
+ *parg++ = 0;
+
+ } else if (!(sargvbuf = calloc(3*(parg-base+1),sizeof(char *)))) {
return SLBT_SYSTEM_ERROR(dctx,0);
} else {
aargv = &sargvbuf[0];
- oargv = &sargvbuf[parg-base+1];
- aarg = aargv;
- oarg = oargv;
+ oargv = &sargvbuf[1*(parg-base+1)];
+ lobjv = &sargvbuf[2*(parg-base+1)];
+ cnvlv = &sargvbuf[3*(parg-base+1)];
}
+ aarg = aargv;
+ oarg = oargv;
+ cnvl = cnvlv;
+ lobj = lobjv;
+
+ /* -export-symbols-regex: lobjv in place: ar [arg] [arg] -crs <output> */
+ if (dctx->cctx->regex && argv)
+ lobj += mark - argv + 2;
+ else
+ lobj += 3;
+
/* (program name) */
parg = &base[1];
/* split object args from all other args, record output */
- /* annotation, and remove redundant -l arguments */
+ /* annotation, and remove redundant -l arguments; and */
+ /* create additional vectors of all input objects as */
+ /* convenience libraries for -export-symbols-regex. */
for (; *parg; ) {
if (ectx->lout[0] == parg) {
ectx->lout[0] = &aarg[0];
@@ -630,6 +788,7 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
/* object input argument? */
if (dot && (!strcmp(dot,".o") || !strcmp(dot,".lo"))) {
+ *lobj++ = *parg;
*oarg++ = *parg++;
/* --whole-archive input argument? */
@@ -642,6 +801,7 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
&& !strcmp(parg[2],"-Wl,--no-whole-archive")
&& (dot = strrchr(parg[1],'.'))
&& !strcmp(dot,arsuffix)) {
+ *cnvl++ = parg[1];
*oarg++ = *parg++;
*oarg++ = *parg++;
*oarg++ = *parg++;
@@ -711,6 +871,12 @@ slbt_hidden int slbt_exec_link_finalize_argument_vector(
}
}
+ /* export-symbols-regex */
+ if (dctx->cctx->regex)
+ if (slbt_exec_link_create_expsyms_archive(
+ dctx,ectx,lobjv,cnvlv) < 0)
+ return SLBT_NESTED_ERROR(dctx);
+
/* program name, ccwrap */
if ((ccwrap = (char *)dctx->cctx->ccwrap)) {
base[1] = base[0];
diff --git a/src/logic/linkcmd/slbt_linkcmd_dsolib.c b/src/logic/linkcmd/slbt_linkcmd_dsolib.c
index 00705a1..4d611a0 100644
--- a/src/logic/linkcmd/slbt_linkcmd_dsolib.c
+++ b/src/logic/linkcmd/slbt_linkcmd_dsolib.c
@@ -224,6 +224,26 @@ slbt_hidden int slbt_exec_link_create_library(
}
}
+ /* -export-symbols-regex; and see also: */
+ /* slbt_exec_link_create_expsyms_archive() */
+ if (dctx->cctx->regex) {
+ if (slbt_snprintf(mapfile,sizeof(mapfile),
+ "-Wl,%s",
+ ectx->mapfilename) < 0)
+ return SLBT_BUFFER_ERROR(dctx);
+
+ if (slbt_host_group_is_darwin(dctx)) {
+ *ectx->explarg = "-Wl,-exported_symbols_list";
+ *ectx->expsyms = mapfile;
+
+ } else if (slbt_host_group_is_winnt(dctx)) {
+ *ectx->expsyms = mapfile;
+ } else {
+ *ectx->explarg = "-Wl,--version-script";
+ *ectx->expsyms = mapfile;
+ }
+ }
+
/* shared/static */
if (dctx->cctx->drvflags & SLBT_DRIVER_ALL_STATIC) {
*ectx->dpic = "-static";
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 09:37:17 +0000