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path: root/src/arbits/slbt_archive_syminfo.c
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Diffstat (limited to 'src/arbits/slbt_archive_syminfo.c')
-rw-r--r--src/arbits/slbt_archive_syminfo.c59
1 files changed, 42 insertions, 17 deletions
diff --git a/src/arbits/slbt_archive_syminfo.c b/src/arbits/slbt_archive_syminfo.c
index a7242a2..ec53d14 100644
--- a/src/arbits/slbt_archive_syminfo.c
+++ b/src/arbits/slbt_archive_syminfo.c
@@ -72,14 +72,16 @@ static void slbt_ar_update_syminfo_child(
static int slbt_obtain_nminfo(
struct slbt_archive_ctx_impl * ictx,
const struct slbt_driver_ctx * dctx,
- struct slbt_archive_meta_impl * mctx)
+ struct slbt_archive_meta_impl * mctx,
+ int fdout)
{
+ int ret;
int pos;
int fdcwd;
+ int fdarg;
pid_t pid;
pid_t rpid;
int ecode;
- int fdout;
char ** argv;
char arname [PATH_MAX];
char output [PATH_MAX];
@@ -102,18 +104,23 @@ static int slbt_obtain_nminfo(
return SLBT_BUFFER_ERROR(dctx);
}
- /* output (.nm suffix, buf treat as .syminfo) */
+ /* arname (.nm suffix, buf treat as .syminfo) */
pos = slbt_snprintf(
arname,sizeof(arname)-8,"%s",
ictx->path);
- strcpy(output,arname);
- strcpy(&output[pos],".nm");
+ /* output */
+ if ((fdarg = fdout) < 0) {
+ strcpy(output,arname);
+ strcpy(&output[pos],".nm");
- /* fork */
- if ((fdout = openat(fdcwd,output,O_CREAT|O_TRUNC|O_WRONLY,0644)) < 0)
- return SLBT_SYSTEM_ERROR(dctx,output);
+ if ((fdout = openat(fdcwd,output,O_CREAT|O_TRUNC|O_WRONLY,0644)) < 0)
+ return SLBT_SYSTEM_ERROR(dctx,output);
+ } else {
+ strcpy(output,"@nminfo@");
+ }
+ /* fork */
if ((pid = slbt_fork()) < 0) {
close(fdout);
return SLBT_SYSTEM_ERROR(dctx,0);
@@ -130,6 +137,15 @@ static int slbt_obtain_nminfo(
&ecode,
0);
+ /* nm output */
+ if ((rpid > 0) && (ecode == 0))
+ ret = slbt_impl_get_txtfile_ctx(
+ dctx,output,fdout,
+ &mctx->nminfo);
+
+ if (fdarg < 0)
+ close(fdout);
+
if (rpid < 0) {
return SLBT_SYSTEM_ERROR(dctx,0);
@@ -139,12 +155,7 @@ static int slbt_obtain_nminfo(
SLBT_ERR_FLOW_ERROR);
}
- if (slbt_lib_get_txtfile_ctx(
- dctx,output,
- &mctx->nminfo) < 0)
- return SLBT_NESTED_ERROR(dctx);
-
- return 0;
+ return (ret < 0) ? SLBT_NESTED_ERROR(dctx) : 0;
}
static int slbt_get_symbol_nm_info(
@@ -261,8 +272,9 @@ static int slbt_coff_qsort_syminfo_cmp(const void * a, const void * b)
&(*syminfob)->ar_symbol_name);
}
-slbt_hidden int slbt_ar_update_syminfo(
- struct slbt_archive_ctx * actx)
+static int slbt_ar_update_syminfo_impl(
+ struct slbt_archive_ctx * actx,
+ int fdout)
{
const struct slbt_driver_ctx * dctx;
struct slbt_archive_ctx_impl * ictx;
@@ -277,7 +289,7 @@ slbt_hidden int slbt_ar_update_syminfo(
/* nm -P -A -g */
if (mctx->armaps.armap_nsyms) {
- if (slbt_obtain_nminfo(ictx,dctx,mctx) < 0)
+ if (slbt_obtain_nminfo(ictx,dctx,mctx,fdout) < 0)
return SLBT_NESTED_ERROR(dctx);
} else {
if (slbt_lib_get_txtfile_ctx(
@@ -318,3 +330,16 @@ slbt_hidden int slbt_ar_update_syminfo(
/* yay */
return 0;
}
+
+slbt_hidden int slbt_ar_update_syminfo(
+ struct slbt_archive_ctx * actx)
+{
+ return slbt_ar_update_syminfo_impl(actx,(-1));
+}
+
+slbt_hidden int slbt_ar_update_syminfo_ex(
+ struct slbt_archive_ctx * actx,
+ int fdout)
+{
+ return slbt_ar_update_syminfo_impl(actx,fdout);
+}