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elf: use overlays to resolve library paths

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This commit is contained in:
Christian Hergert
2021-02-25 14:09:15 -08:00
parent 43d2b0b019
commit 7e92b3e14b
3 changed files with 58 additions and 19 deletions
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30
src/libsysprof/sysprof-map-lookaside.c
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@ -67,9 +67,10 @@ sysprof_map_lookaside_new (void)
{
SysprofMapLookaside *ret;
ret = g_slice_new (SysprofMapLookaside);
ret = g_slice_new0 (SysprofMapLookaside);
ret->seq = g_sequence_new (sysprof_map_free);
ret->chunk = g_string_chunk_new (4096);
ret->overlays = NULL;
return ret;
}
@ -101,14 +102,27 @@ sysprof_map_lookaside_insert (SysprofMapLookaside *self,
g_sequence_insert_sorted (self->seq, copy, sysprof_map_compare, NULL);
}
void
sysprof_map_lookaside_set_root (SysprofMapLookaside *self,
const char *root)
{
g_assert (self != NULL);
g_assert (root != NULL);
self->root = g_string_chunk_insert_const (self->chunk, root);
void
sysprof_map_lookaside_overlay (SysprofMapLookaside *self,
const gchar *src,
const gchar *dst)
{
SysprofMapOverlay overlay;
g_assert (self != NULL);
g_assert (src != NULL);
g_assert (dst != NULL);
if (!src[0] || !dst[0])
return;
if (self->overlays == NULL)
self->overlays = g_array_new (FALSE, FALSE, sizeof (SysprofMapOverlay));
overlay.src = g_string_chunk_insert_const (self->chunk, src);
overlay.dst = g_string_chunk_insert_const (self->chunk, dst);
g_array_append_val (self->overlays, overlay);
}
const SysprofMap *