From: Lirong Yuan <yuanzi@google.com>
Date: Mon, 2 Mar 2020 19:31:53 +0000 (-0800)
Subject: linux-user: Add AT_EXECFN auxval
X-Git-Tag: v5.0.0-rc0~15^2~31
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e0d1673d39c1768f5372a43771d3776354eb3f96;p=thirdparty%2Fqemu.git

linux-user: Add AT_EXECFN auxval

This change adds the support for AT_EXECFN auxval.

Signed-off-by: Lirong Yuan <yuanzi@google.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200302193153.66415-1-yuanzi@google.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index db748c58775..8198be04460 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);