flt.lttng-utils.debug-info: Implement file descriptor cache

[babeltrace.git] / plugins / lttng-utils / debug-info / bin-info.h

diff --git a/plugins/lttng-utils/debug-info/bin-info.h b/plugins/lttng-utils/debug-info/bin-info.h
index 2bcd9fae42cd55b1896fe41f765300abdb667da6..f6848fb3bae6c7e8ff529b39d94ce172269ab9b9 100644 (file)
--- a/plugins/lttng-utils/debug-info/bin-info.h
+++ b/plugins/lttng-utils/debug-info/bin-info.h
@@ -32,6 +32,7 @@
 #include <gelf.h>
 #include <elfutils/libdw.h>
 #include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/fd-cache-internal.h>
 
 #define DEFAULT_DEBUG_DIR "/usr/lib/debug"
 #define DEBUG_SUBDIR ".debug/"
@@ -58,9 +59,9 @@ struct bin_info {
        /* Optional debug link info. */
        gchar *dbg_link_filename;
        uint32_t dbg_link_crc;
-       /* FDs to ELF and DWARF files. */
-       int elf_fd;
-       int dwarf_fd;
+       /* fd cache handles to ELF and DWARF files. */
+       struct bt_fd_cache_handle *elf_handle;
+       struct bt_fd_cache_handle *dwarf_handle;
        /* Configuration. */
        gchar *debug_info_dir;
        /* Denotes whether the executable is position independent code. */
@@ -72,6 +73,8 @@ struct bin_info {
         * DWARF info.
         */
        bool is_elf_only:1;
+       /* Weak ref. Owned by the iterator. */
+       struct bt_fd_cache *fd_cache;
 };
 
 struct source_location {
@@ -104,9 +107,9 @@ int bin_info_init(void);
  *                     NULL on failure.
  */
 BT_HIDDEN
-struct bin_info *bin_info_create(const char *path, uint64_t low_addr,
-               uint64_t memsz, bool is_pic, const char *debug_info_dir,
-               const char *target_prefix);
+struct bin_info *bin_info_create(struct bt_fd_cache *fdc, const char *path,
+               uint64_t low_addr, uint64_t memsz, bool is_pic,
+               const char *debug_info_dir, const char *target_prefix);
 
 /**
  * Destroy the given bin_info instance