URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [x86_64/] [abi/] [args.h] - Rev 328
Compare with Previous | Blame | View Log
#ifndef INCLUDED_ARGS_H #define INCLUDED_ARGS_H #include <string.h> /* This defines the calling sequences for integers and floats. */ #define I0 rdi #define I1 rsi #define I2 rdx #define I3 rcx #define I4 r8 #define I5 r9 #define F0 xmm0 #define F1 xmm1 #define F2 xmm2 #define F3 xmm3 #define F4 xmm4 #define F5 xmm5 #define F6 xmm6 #define F7 xmm7 typedef union { float _float[4]; double _double[2]; long _long[2]; int _int[4]; unsigned long _ulong[2]; #ifdef CHECK_M64_M128 __m64 _m64[2]; __m128 _m128[1]; #endif } XMM_T; typedef union { float _float; double _double; ldouble _ldouble; ulong _ulong[2]; } X87_T; extern void (*callthis)(void); extern unsigned long rax,rbx,rcx,rdx,rsi,rdi,rsp,rbp,r8,r9,r10,r11,r12,r13,r14,r15; XMM_T xmm_regs[16]; X87_T x87_regs[8]; extern volatile unsigned long volatile_var; extern void snapshot (void); extern void snapshot_ret (void); #define WRAP_CALL(N) \ (callthis = (void (*)()) (N), (typeof (&N)) snapshot) #define WRAP_RET(N) \ (callthis = (void (*)()) (N), (typeof (&N)) snapshot_ret) /* Clear all integer registers. */ #define clear_int_hardware_registers \ asm __volatile__ ("xor %%rax, %%rax\n\t" \ "xor %%rbx, %%rbx\n\t" \ "xor %%rcx, %%rcx\n\t" \ "xor %%rdx, %%rdx\n\t" \ "xor %%rsi, %%rsi\n\t" \ "xor %%rdi, %%rdi\n\t" \ "xor %%r8, %%r8\n\t" \ "xor %%r9, %%r9\n\t" \ "xor %%r10, %%r10\n\t" \ "xor %%r11, %%r11\n\t" \ "xor %%r12, %%r12\n\t" \ "xor %%r13, %%r13\n\t" \ "xor %%r14, %%r14\n\t" \ "xor %%r15, %%r15\n\t" \ ::: "rax", "rbx", "rcx", "rdx", "rsi", "rdi", "r8", \ "r9", "r10", "r11", "r12", "r13", "r14", "r15"); /* This is the list of registers available for passing arguments. Not all of these are used or even really available. */ struct IntegerRegisters { unsigned long rax, rbx, rcx, rdx, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15; }; struct FloatRegisters { double mm0, mm1, mm2, mm3, mm4, mm5, mm6, mm7; ldouble st0, st1, st2, st3, st4, st5, st6, st7; XMM_T xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15; }; /* Implemented in scalarargs.c */ extern struct IntegerRegisters iregs; extern struct FloatRegisters fregs; extern unsigned int num_iregs, num_fregs; #define check_int_arguments do { \ assert (num_iregs <= 0 || iregs.I0 == I0); \ assert (num_iregs <= 1 || iregs.I1 == I1); \ assert (num_iregs <= 2 || iregs.I2 == I2); \ assert (num_iregs <= 3 || iregs.I3 == I3); \ assert (num_iregs <= 4 || iregs.I4 == I4); \ assert (num_iregs <= 5 || iregs.I5 == I5); \ } while (0) #define check_char_arguments check_int_arguments #define check_short_arguments check_int_arguments #define check_long_arguments check_int_arguments /* Clear register struct. */ #define clear_struct_registers \ rax = rbx = rcx = rdx = rdi = rsi = rbp = rsp \ = r8 = r9 = r10 = r11 = r12 = r13 = r14 = r15 = 0; \ memset (&iregs, 0, sizeof (iregs)); \ memset (&fregs, 0, sizeof (fregs)); \ memset (xmm_regs, 0, sizeof (xmm_regs)); \ memset (x87_regs, 0, sizeof (x87_regs)); /* Clear both hardware and register structs for integers. */ #define clear_int_registers \ clear_struct_registers \ clear_int_hardware_registers /* TODO: Do the checking. */ #define check_f_arguments(T) do { \ assert (num_fregs <= 0 || fregs.xmm0._ ## T [0] == xmm_regs[0]._ ## T [0]); \ assert (num_fregs <= 1 || fregs.xmm1._ ## T [0] == xmm_regs[1]._ ## T [0]); \ assert (num_fregs <= 2 || fregs.xmm2._ ## T [0] == xmm_regs[2]._ ## T [0]); \ assert (num_fregs <= 3 || fregs.xmm3._ ## T [0] == xmm_regs[3]._ ## T [0]); \ assert (num_fregs <= 4 || fregs.xmm4._ ## T [0] == xmm_regs[4]._ ## T [0]); \ assert (num_fregs <= 5 || fregs.xmm5._ ## T [0] == xmm_regs[5]._ ## T [0]); \ assert (num_fregs <= 6 || fregs.xmm6._ ## T [0] == xmm_regs[6]._ ## T [0]); \ assert (num_fregs <= 7 || fregs.xmm7._ ## T [0] == xmm_regs[7]._ ## T [0]); \ } while (0) #define check_float_arguments check_f_arguments(float) #define check_double_arguments check_f_arguments(double) #define check_vector_arguments(T,O) do { \ assert (num_fregs <= 0 \ || memcmp (((char *) &fregs.xmm0) + (O), \ &xmm_regs[0], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 1 \ || memcmp (((char *) &fregs.xmm1) + (O), \ &xmm_regs[1], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 2 \ || memcmp (((char *) &fregs.xmm2) + (O), \ &xmm_regs[2], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 3 \ || memcmp (((char *) &fregs.xmm3) + (O), \ &xmm_regs[3], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 4 \ || memcmp (((char *) &fregs.xmm4) + (O), \ &xmm_regs[4], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 5 \ || memcmp (((char *) &fregs.xmm5) + (O), \ &xmm_regs[5], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 6 \ || memcmp (((char *) &fregs.xmm6) + (O), \ &xmm_regs[6], \ sizeof (__ ## T) - (O)) == 0); \ assert (num_fregs <= 7 \ || memcmp (((char *) &fregs.xmm7) + (O), \ &xmm_regs[7], \ sizeof (__ ## T) - (O)) == 0); \ } while (0) #define check_m64_arguments check_vector_arguments(m64, 0) #define check_m128_arguments check_vector_arguments(m128, 0) /* ldoubles are not passed in registers */ #define check_ldouble_arguments /* TODO: Do the clearing. */ #define clear_float_hardware_registers #define clear_x87_hardware_registers #define clear_float_registers \ clear_struct_registers \ clear_float_hardware_registers #define clear_x87_registers \ clear_struct_registers \ clear_x87_hardware_registers #endif /* INCLUDED_ARGS_H */