[PULL,v4,01/32] linux-user: Add AT_EXECFN auxval

Commit Message

Laurent Vivier March 20, 2020, 3:23 p.m. UTC

From: Lirong Yuan <[e-mail]>

This change adds the support for AT_EXECFN auxval.

Signed-off-by: Lirong Yuan <[e-mail]>
Reviewed-by: Laurent Vivier <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Laurent Vivier <[e-mail]>
---
 linux-user/elfload.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index db748c58775f..8198be044604 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);