change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/x86/include/asm/dwarf2.h
..
..
@@ -6,15 +6,6 @@
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 #warning "asm/dwarf2.h should be only included in pure assembly files"
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 #endif
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-/*
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- * Macros for dwarf2 CFI unwind table entries.
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- * See "as.info" for details on these pseudo ops. Unfortunately
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- * they are only supported in very new binutils, so define them
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- * away for older version.
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- */
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-
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-#ifdef CONFIG_AS_CFI
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-
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 #define CFI_STARTPROC		.cfi_startproc
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 #define CFI_ENDPROC		.cfi_endproc
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 #define CFI_DEF_CFA		.cfi_def_cfa
..
..
@@ -30,20 +21,13 @@
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 #define CFI_UNDEFINED		.cfi_undefined
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 #define CFI_ESCAPE		.cfi_escape
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-#ifdef CONFIG_AS_CFI_SIGNAL_FRAME
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-#define CFI_SIGNAL_FRAME	.cfi_signal_frame
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-#else
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-#define CFI_SIGNAL_FRAME
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-#endif
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-
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-#if defined(CONFIG_AS_CFI_SECTIONS) && defined(__ASSEMBLY__)
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 #ifndef BUILD_VDSO
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 	/*
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 	 * Emit CFI data in .debug_frame sections, not .eh_frame sections.
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 	 * The latter we currently just discard since we don't do DWARF
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 	 * unwinding at runtime.  So only the offline DWARF information is
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-	 * useful to anyone.  Note we should not use this directive if
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-	 * vmlinux.lds.S gets changed so it doesn't discard .eh_frame.
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+	 * useful to anyone.  Note we should not use this directive if we
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+	 * ever decide to enable DWARF unwinding at runtime.
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 	 */
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 	.cfi_sections .debug_frame
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 #else
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@@ -52,34 +36,6 @@
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 	  * symbols for the .dbg file.
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 	  */
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 	.cfi_sections .eh_frame, .debug_frame
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-#endif
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-#endif
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-
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-#else
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-
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-/*
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- * Due to the structure of pre-exisiting code, don't use assembler line
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- * comment character # to ignore the arguments. Instead, use a dummy macro.
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- */
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-.macro cfi_ignore a=0, b=0, c=0, d=0
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-.endm
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-
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-#define CFI_STARTPROC		cfi_ignore
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-#define CFI_ENDPROC		cfi_ignore
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-#define CFI_DEF_CFA		cfi_ignore
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-#define CFI_DEF_CFA_REGISTER	cfi_ignore
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-#define CFI_DEF_CFA_OFFSET	cfi_ignore
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-#define CFI_ADJUST_CFA_OFFSET	cfi_ignore
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-#define CFI_OFFSET		cfi_ignore
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-#define CFI_REL_OFFSET		cfi_ignore
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-#define CFI_REGISTER		cfi_ignore
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-#define CFI_RESTORE		cfi_ignore
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-#define CFI_REMEMBER_STATE	cfi_ignore
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-#define CFI_RESTORE_STATE	cfi_ignore
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-#define CFI_UNDEFINED		cfi_ignore
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-#define CFI_ESCAPE		cfi_ignore
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-#define CFI_SIGNAL_FRAME	cfi_ignore
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-
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 #endif
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 #endif /* _ASM_X86_DWARF2_H */