[PATCH v2] linux-user: Add AT_EXECFN auxval

[Lirong Yuan]

This change adds the support for AT_EXECFN auxval.

Signed-off-by: Lirong Yuan <yua...@google.com>
---
Changelog since v1:
- remove implementation for AT_EXECFD auxval.

 linux-user/elfload.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index db748c5877..8198be0446 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1573,7 +1573,7 @@ struct exec
                                  ~(abi_ulong)(TARGET_ELF_EXEC_PAGESIZE-1))
 #define TARGET_ELF_PAGEOFFSET(_v) ((_v) & (TARGET_ELF_EXEC_PAGESIZE-1))
 
-#define DLINFO_ITEMS 15
+#define DLINFO_ITEMS 16
 
 static inline void memcpy_fromfs(void * to, const void * from, unsigned long n)
 {
@@ -2037,6 +2037,7 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, 
int envc,
     NEW_AUX_ENT(AT_CLKTCK, (abi_ulong) sysconf(_SC_CLK_TCK));
     NEW_AUX_ENT(AT_RANDOM, (abi_ulong) u_rand_bytes);
     NEW_AUX_ENT(AT_SECURE, (abi_ulong) qemu_getauxval(AT_SECURE));
+    NEW_AUX_ENT(AT_EXECFN, info->file_string);
 
 #ifdef ELF_HWCAP2
     NEW_AUX_ENT(AT_HWCAP2, (abi_ulong) ELF_HWCAP2);
-- 
2.25.0.265.gbab2e86ba0-goog