Merge tag 'pull-lu-20250830' of https://gitlab.com/rth7680/qemu into staging

linux-user: Finish elfload.c split
linux-user: Drop deprecated -p option
linux-user: Tidy print_socket_protocol
hw/core: Dump cpu_reset in the reset.exit phase
hw/core: Use qemu_log_trylock/unlock in cpu_common_reset_exit

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-lu-20250830' of https://gitlab.com/rth7680/qemu: (91 commits)
  linux-user: Remove target_pt_regs from target_syscall.h
  linux-user/sparc: Create target_ptrace.h
  linux-user: Remove a.out declarations from elfload.c
  linux-user: Move arch_parse_elf_property to aarch64/elfload.c
  linux-user: Remove MAP_DENYWRITE from elfload.c
  linux-user: Remove ELIBBAD from elfload.c
  linux-user: Rename elf_check_arch
  linux-user: Standardize on ELF_MACHINE not ELF_ARCH
  linux-user: Move elf parameters to hexagon/target_elf.h
  linux-user: Move elf parameters to xtensa/target_elf.h
  linux-user: Move elf parameters to hppa/target_elf.h
  linux-user: Move elf parameters to riscv/target_elf.h
  linux-user: Move elf parameters to s390x/target_elf.h
  linux-user: Move elf parameters to alpha/target_elf.h
  linux-user: Move elf parameters to m68k/target_elf.h
  linux-user: Move elf parameters to sh4/target_elf.h
  linux-user: Move elf parameters to openrisc/target_elf.h
  linux-user: Move elf parameters to microblaze/target_elf.h
  linux-user: Move elf parameters to {mips,mips64}/target_elf.h
  linux-user: Move elf parameters to loongarch64/target_elf.h
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/linux-user/ppc/target_elf.h b/linux-user/ppc/target_elf.h
index 4203a89d66..22854cf52f 100644
--- a/linux-user/ppc/target_elf.h
+++ b/linux-user/ppc/target_elf.h
@@ -8,7 +8,63 @@
 #ifndef PPC_TARGET_ELF_H
 #define PPC_TARGET_ELF_H
 
+#include "target_ptrace.h"
+
+#define ELF_MACHINE             PPC_ELF_MACHINE
+
+#ifdef TARGET_PPC64
+# define ELF_CLASS              ELFCLASS64
+#else
+# define ELF_CLASS              ELFCLASS32
+# define EXSTACK_DEFAULT        true
+#endif
+
 #define HAVE_ELF_HWCAP          1
 #define HAVE_ELF_HWCAP2         1
+#define HAVE_ELF_CORE_DUMP      1
+
+/*
+ * The size of 48 words is set in arch/powerpc/include/uapi/asm/elf.h.
+ * However PPC_ELF_CORE_COPY_REGS in arch/powerpc/include/asm/elf.h
+ * open-codes a memcpy from struct pt_regs, then zeros the rest.
+ */
+typedef struct target_elf_gregset_t {
+    union {
+        struct target_pt_regs pt;
+        abi_ulong reserved[48];
+    };
+} target_elf_gregset_t;
+
+#ifndef TARGET_PPC64
+# define VDSO_HEADER  "vdso-32.c.inc"
+#elif TARGET_BIG_ENDIAN
+# define VDSO_HEADER  "vdso-64.c.inc"
+#else
+# define VDSO_HEADER  "vdso-64le.c.inc"
+#endif
+
+/*
+ * The requirements here are:
+ * - keep the final alignment of sp (sp & 0xf)
+ * - make sure the 32-bit value at the first 16 byte aligned position of
+ *   AUXV is greater than 16 for glibc compatibility.
+ *   AT_IGNOREPPC is used for that.
+ * - for compatibility with glibc ARCH_DLINFO must always be defined on PPC,
+ *   even if DLINFO_ARCH_ITEMS goes to zero or is undefined.
+ */
+#define DLINFO_ARCH_ITEMS       5
+#define ARCH_DLINFO                                     \
+    do {                                                \
+        PowerPCCPU *cpu = POWERPC_CPU(thread_cpu);              \
+        /*                                              \
+         * Handle glibc compatibility: these magic entries must \
+         * be at the lowest addresses in the final auxv.        \
+         */                                             \
+        NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);        \
+        NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);        \
+        NEW_AUX_ENT(AT_DCACHEBSIZE, cpu->env.dcache_line_size); \
+        NEW_AUX_ENT(AT_ICACHEBSIZE, cpu->env.icache_line_size); \
+        NEW_AUX_ENT(AT_UCACHEBSIZE, 0);                 \
+    } while (0)
 
 #endif