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Try pathmap_open() first for vDSO

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Yasumasa Suenaga 2026-02-05 10:02:21 +09:00
parent 264250a914
commit 72256c45cb
1 changed files with 2 additions and 2 deletions
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4
src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c
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@ -614,10 +614,10 @@ static int handle_vdso(struct ps_prochandle* ph, char* lib_name, size_t lib_name
// Check vDSO binary first (for referring debuginfo if possible).
char *vdso_path = (char*)malloc(lib_name_len);
snprintf(vdso_path, lib_name_len, "/lib/modules/%s/vdso/vdso64.so", uts.release);
if (access(vdso_path, F_OK) == 0) {
lib_fd = pathmap_open(vdso_path);
if (lib_fd != -1) {
print_debug("replace vDSO: %s -> %s\n", lib_name, vdso_path);
strncpy(lib_name, vdso_path, lib_name_len);
lib_fd = pathmap_open(lib_name);
} else {
// Copy vDSO memory segment from core to temporal memory
// if vDSO binary is not available.