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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/xtensa/include/asm/elf.h
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@@ -15,10 +15,10 @@
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 #include <asm/ptrace.h>
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 #include <asm/coprocessor.h>
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+#include <linux/elf-em.h>
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 /* Xtensa processor ELF architecture-magic number */
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-#define EM_XTENSA	94
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 #define EM_XTENSA_OLD	0xABC7
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 /* Xtensa relocations defined by the ABIs */
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@@ -75,19 +75,7 @@
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 typedef unsigned long elf_greg_t;
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-typedef struct {
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-	elf_greg_t pc;
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-	elf_greg_t ps;
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-	elf_greg_t lbeg;
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-	elf_greg_t lend;
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-	elf_greg_t lcount;
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-	elf_greg_t sar;
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-	elf_greg_t windowstart;
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-	elf_greg_t windowbase;
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-	elf_greg_t threadptr;
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-	elf_greg_t reserved[7+48];
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-	elf_greg_t a[64];
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-} xtensa_gregset_t;
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+typedef struct user_pt_regs xtensa_gregset_t;
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 #define ELF_NGREG	(sizeof(xtensa_gregset_t) / sizeof(elf_greg_t))
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@@ -97,11 +85,6 @@
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 typedef unsigned int elf_fpreg_t;
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 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
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-
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-#define ELF_CORE_COPY_REGS(_eregs, _pregs) 				\
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-	xtensa_elf_core_copy_regs ((xtensa_gregset_t*)&(_eregs), _pregs);
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-
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-extern void xtensa_elf_core_copy_regs (xtensa_gregset_t *, struct pt_regs *);
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 /*
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  * This is used to ensure we don't load something for the wrong architecture.
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@@ -126,6 +109,7 @@
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 #define ELF_ARCH	EM_XTENSA
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 #define ELF_EXEC_PAGESIZE	PAGE_SIZE
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+#define CORE_DUMP_USE_REGSET
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 /*
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  * This is the location that an ET_DYN program is loaded if exec'ed.  Typical
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@@ -192,16 +176,5 @@
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 #define SET_PERSONALITY(ex) \
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 	set_personality(PER_LINUX_32BIT | (current->personality & (~PER_MASK)))
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-
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-struct task_struct;
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-
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-extern void do_copy_regs (xtensa_gregset_t*, struct pt_regs*,
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-			  struct task_struct*);
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-extern void do_restore_regs (xtensa_gregset_t*, struct pt_regs*,
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-			     struct task_struct*);
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-extern void do_save_fpregs (elf_fpregset_t*, struct pt_regs*,
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-			    struct task_struct*);
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-extern int do_restore_fpregs (elf_fpregset_t*, struct pt_regs*,
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-			      struct task_struct*);
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 #endif	/* _XTENSA_ELF_H */