kernel/vdso/sigtramp64.S

41 	.long 0,0,0
42 	.quad 0,-21*8
47   .byte 0x0f;			/* DW_CFA_def_cfa_expression */		\
50   .byte 0x71; .sleb128 PTREGS;	/*     DW_OP_breg1 */			\
51   .byte 0x06;			/*     DW_OP_deref */			\
52   .byte 0x23; .uleb128 RSIZE;	/*     DW_OP_plus_uconst */		\
53   .byte 0x06;			/*     DW_OP_deref */			\
59   .byte 0x10;			/* DW_CFA_expression */			\
63   .byte 0x71; .sleb128 PTREGS;	/*     DW_OP_breg1 */			\
64   .byte 0x06;			/*     DW_OP_deref */			\
66     .byte 0x23; .uleb128 ofs;	/*     DW_OP_plus_uconst */		\
72    the pt_regs struct.  This macro is for REGNO == 0, and contains
75   .byte 0x10;			/* DW_CFA_expression */			\
79   .byte 0x30 + regno;		/*     DW_OP_lit0 */			\
81   .byte 0x40;			/*     DW_OP_lit16 */			\
82   .byte 0x1e;			/*     DW_OP_mul */			\
84   .byte 0x71; .sleb128 PTREGS;	/*     DW_OP_breg1 */			\
85   .byte 0x06;			/*     DW_OP_deref */			\
86   .byte 0x12;			/*     DW_OP_dup */			\
87   .byte 0x23;			/*     DW_OP_plus_uconst */		\
89   .byte 0x06;			/*     DW_OP_deref */			\
90   .byte 0x0c; .long 1 << 25;	/*     DW_OP_const4u */			\
91   .byte 0x1a;			/*     DW_OP_and */			\
92   .byte 0x12;			/*     DW_OP_dup, ret 0 if bra taken */	\
93   .byte 0x30;			/*     DW_OP_lit0 */			\
94   .byte 0x29;			/*     DW_OP_eq */			\
95   .byte 0x28; .short 0x7fff;	/*     DW_OP_bra to end */		\
96   .byte 0x13;			/*     DW_OP_drop, pop the 0 */		\
97   .byte 0x23; .uleb128 VREGS;	/*     DW_OP_plus_uconst */		\
98   .byte 0x06;			/*     DW_OP_deref */			\
99   .byte 0x22;			/*     DW_OP_plus */			\
100   .byte 0x2f; .short 0x7fff;	/*     DW_OP_skip to end */		\
106   .byte 0x10;			/* DW_CFA_expression */			\
110   .byte 0x30 + regno;		/*     DW_OP_lit n */			\
111   .byte 0x2f; .short 2b - 9f;	/*     DW_OP_skip */			\
117   .byte 0x10;			/* DW_CFA_expression */			\
121   .byte 0x0a; .short ofs;	/*     DW_OP_const2u */			\
122   .byte 0x2f; .short 3b - 9f;	/*     DW_OP_skip */			\
127   .byte 0x10;			/* DW_CFA_expression */			\
131   .byte 0x71; .sleb128 PTREGS;	/*     DW_OP_breg1 */			\
132   .byte 0x06;			/*     DW_OP_deref */			\
133   .byte 0x23; .uleb128 VREGS;	/*     DW_OP_plus_uconst */		\
134   .byte 0x06;			/*     DW_OP_deref */			\
135   .byte 0x23; .uleb128 ofs;	/*     DW_OP_plus_uconst */		\
149 #define CROFF 0
160   rsave ( 0,  0*RSIZE);							\
204   rsave (32, 48*RSIZE +  0*8);						\
240   vsave_msr0 ( 0);							\
282 	.long 0			/* CIE ID */
289 	.byte 0x14		/* DW_EH_PE_pcrel | DW_EH_PE_udata8. */
290 	.byte 0x0c,1,0		/* DW_CFA_def_cfa: r1 ofs 0 */
299 	.uleb128 0			/* Augmentation */
306 #	.byte 0x41		/* DW_CFA_advance_loc 1*4 */