Commit 5db961f92b for qemu.org

commit 5db961f92b38b2a0f9db50b47ef3a718962b374f
Author: Helge Deller <deller@gmx.de>
Date:   Fri Jan 23 16:01:08 2026 +0100

    linux-user: Fix MADV_XXX constants on hppa target

    Older hppa binaries may still use the old MADV_XXX constants for the
    madivise() syscall. Fix it up in the same manner as it's done in the
    Linux kernel in the parisc_madvise() function.

    Signed-off-by: Helge Deller <deller@gmx.de>
    Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 64a2f1cbb2..3944004568 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -12922,6 +12922,22 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,

 #ifdef TARGET_NR_madvise
     case TARGET_NR_madvise:
+#ifdef TARGET_HPPA
+        /* Emulate old hppa mapping of MADV_xxx constants. */
+        switch (arg3) {
+        case 65: arg3 = MADV_MERGEABLE;     break;
+        case 66: arg3 = MADV_UNMERGEABLE;   break;
+        case 67: arg3 = MADV_HUGEPAGE;      break;
+        case 68: arg3 = MADV_NOHUGEPAGE;    break;
+        case 69: arg3 = MADV_DONTDUMP;      break;
+        case 70: arg3 = MADV_DODUMP;        break;
+        case 71: arg3 = MADV_WIPEONFORK;    break;
+        case 72: arg3 = MADV_KEEPONFORK;    break;
+        #ifdef MADV_COLLAPSE
+        case 73: arg3 = MADV_COLLAPSE;      break;
+        #endif
+        }
+#endif /* TARGET_HPPA */
         return target_madvise(arg1, arg2, arg3);
 #endif
 #ifdef TARGET_NR_fcntl64