diff mbox series

[PULL,1/8] linux-user: Fix more MIPS n32 syscall ABI issues

Message ID 20221025073606.3114355-2-laurent@vivier.eu (mailing list archive)
State New, archived
Headers show
Series [PULL,1/8] linux-user: Fix more MIPS n32 syscall ABI issues | expand

Commit Message

Laurent Vivier Oct. 25, 2022, 7:35 a.m. UTC 
From: WANG Xuerui <xen0n@gentoo.org>

In commit 80f0fe3a85 ("linux-user: Fix syscall parameter handling for
MIPS n32") the ABI problem regarding offset64 on MIPS n32 was fixed,
but still some cases remain where the n32 is incorrectly treated as any
other 32-bit ABI that passes 64-bit arguments in pairs of GPRs. Fix by
excluding TARGET_ABI_MIPSN32 from various TARGET_ABI_BITS == 32 checks.

Closes: https://gitlab.com/qemu-project/qemu/-/issues/1238
Signed-off-by: WANG Xuerui <xen0n@gentoo.org>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Andreas K. Hüttel <dilfridge@gentoo.org>
Cc: Joshua Kinard <kumba@gentoo.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Andreas K. Huettel <dilfridge@gentoo.org>
Message-Id: <20221006085500.290341-1-xen0n@gentoo.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/syscall.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 2e954d8dbd9e..8b2d39fe73b3 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11793,7 +11793,7 @@  static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
         return -host_to_target_errno(ret);
 #endif
 
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
 
 #ifdef TARGET_NR_fadvise64_64
     case TARGET_NR_fadvise64_64:
@@ -11920,7 +11920,7 @@  static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
         return get_errno(sys_gettid());
 #ifdef TARGET_NR_readahead
     case TARGET_NR_readahead:
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
         if (regpairs_aligned(cpu_env, num)) {
             arg2 = arg3;
             arg3 = arg4;
@@ -12612,7 +12612,7 @@  static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
 #endif /* CONFIG_EVENTFD  */
 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
     case TARGET_NR_fallocate:
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
         ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
                                   target_offset64(arg5, arg6)));
 #else
@@ -12623,7 +12623,7 @@  static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
 #if defined(CONFIG_SYNC_FILE_RANGE)
 #if defined(TARGET_NR_sync_file_range)
     case TARGET_NR_sync_file_range:
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
 #if defined(TARGET_MIPS)
         ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
                                         target_offset64(arg5, arg6), arg7));
@@ -12645,7 +12645,7 @@  static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
     case TARGET_NR_arm_sync_file_range:
 #endif
         /* This is like sync_file_range but the arguments are reordered */
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
         ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
                                         target_offset64(arg5, arg6), arg2));
 #else