diff options
| -rw-r--r-- | elf.h | 15 | ||||
| -rw-r--r-- | tcg/sparc/tcg-target.c | 63 |
2 files changed, 78 insertions, 0 deletions
@@ -346,6 +346,21 @@ typedef struct { #define R_MIPS_HIVENDOR 127 +/* SUN SPARC specific definitions. */ + +/* Values for Elf64_Ehdr.e_flags. */ + +#define EF_SPARCV9_MM 3 +#define EF_SPARCV9_TSO 0 +#define EF_SPARCV9_PSO 1 +#define EF_SPARCV9_RMO 2 +#define EF_SPARC_LEDATA 0x800000 /* little endian data */ +#define EF_SPARC_EXT_MASK 0xFFFF00 +#define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */ +#define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */ +#define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */ +#define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */ + /* * Sparc ELF relocation types */ diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c index 491c9797d3..247a27814a 100644 --- a/tcg/sparc/tcg-target.c +++ b/tcg/sparc/tcg-target.c @@ -1624,3 +1624,66 @@ static void tcg_target_init(TCGContext *s) tcg_regset_set_reg(s->reserved_regs, TCG_REG_O7); tcg_add_target_add_op_defs(sparc_op_defs); } + +#if TCG_TARGET_REG_BITS == 64 +# define ELF_HOST_MACHINE EM_SPARCV9 +#elif defined(__sparc_v8plus__) +# define ELF_HOST_MACHINE EM_SPARC32PLUS +# define ELF_HOST_FLAGS EF_SPARC_32PLUS +#else +# define ELF_HOST_MACHINE EM_SPARC +#endif + +typedef struct { + uint32_t len __attribute__((aligned((sizeof(void *))))); + uint32_t id; + uint8_t version; + char augmentation[1]; + uint8_t code_align; + uint8_t data_align; + uint8_t return_column; +} DebugFrameCIE; + +typedef struct { + uint32_t len __attribute__((aligned((sizeof(void *))))); + uint32_t cie_offset; + tcg_target_long func_start __attribute__((packed)); + tcg_target_long func_len __attribute__((packed)); + uint8_t def_cfa[TCG_TARGET_REG_BITS == 64 ? 4 : 2]; + uint8_t win_save; + uint8_t ret_save[3]; +} DebugFrameFDE; + +typedef struct { + DebugFrameCIE cie; + DebugFrameFDE fde; +} DebugFrame; + +static DebugFrame debug_frame = { + .cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */ + .cie.id = -1, + .cie.version = 1, + .cie.code_align = 1, + .cie.data_align = -sizeof(void *) & 0x7f, + .cie.return_column = 15, /* o7 */ + + .fde.len = sizeof(DebugFrameFDE)-4, /* length after .len member */ + .fde.def_cfa = { +#if TCG_TARGET_REG_BITS == 64 + 12, 30, /* DW_CFA_def_cfa i6, 2047 */ + (2047 & 0x7f) | 0x80, (2047 >> 7) +#else + 13, 30 /* DW_CFA_def_cfa_register i6 */ +#endif + }, + .fde.win_save = 0x2d, /* DW_CFA_GNU_window_save */ + .fde.ret_save = { 9, 15, 31 }, /* DW_CFA_register o7, i7 */ +}; + +void tcg_register_jit(void *buf, size_t buf_size) +{ + debug_frame.fde.func_start = (tcg_target_long) buf; + debug_frame.fde.func_len = buf_size; + + tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame)); +} |