diff options
Diffstat (limited to 'gdbserver/linux-aarch64-ipa.cc')
| -rw-r--r-- | gdbserver/linux-aarch64-ipa.cc | 128 |
1 files changed, 38 insertions, 90 deletions
diff --git a/gdbserver/linux-aarch64-ipa.cc b/gdbserver/linux-aarch64-ipa.cc index e37bed0..074474b 100644 --- a/gdbserver/linux-aarch64-ipa.cc +++ b/gdbserver/linux-aarch64-ipa.cc @@ -30,14 +30,14 @@ /* Each register saved by the jump pad is in a 16 byte cell. */ #define FT_CR_SIZE 16 -#define FT_CR_FPCR 0 -#define FT_CR_FPSR 1 -#define FT_CR_CPSR 2 -#define FT_CR_PC 3 -#define FT_CR_SP 4 -#define FT_CR_X0 5 -#define FT_CR_GPR(n) (FT_CR_X0 + (n)) -#define FT_CR_FPR(n) (FT_CR_GPR (31) + (n)) +#define FT_CR_FPCR 0 +#define FT_CR_FPSR 1 +#define FT_CR_CPSR 2 +#define FT_CR_PC 3 +#define FT_CR_SP 4 +#define FT_CR_X0 5 +#define FT_CR_GPR(n) (FT_CR_X0 + (n)) +#define FT_CR_FPR(n) (FT_CR_GPR (31) + (n)) /* Mapping between registers collected by the jump pad and GDB's register array layout used by regcache. @@ -45,94 +45,43 @@ See linux-aarch64-low.c (aarch64_install_fast_tracepoint_jump_pad) for more details. */ -static const int aarch64_ft_collect_regmap[] = { - FT_CR_GPR (0), - FT_CR_GPR (1), - FT_CR_GPR (2), - FT_CR_GPR (3), - FT_CR_GPR (4), - FT_CR_GPR (5), - FT_CR_GPR (6), - FT_CR_GPR (7), - FT_CR_GPR (8), - FT_CR_GPR (9), - FT_CR_GPR (10), - FT_CR_GPR (11), - FT_CR_GPR (12), - FT_CR_GPR (13), - FT_CR_GPR (14), - FT_CR_GPR (15), - FT_CR_GPR (16), - FT_CR_GPR (17), - FT_CR_GPR (18), - FT_CR_GPR (19), - FT_CR_GPR (20), - FT_CR_GPR (21), - FT_CR_GPR (22), - FT_CR_GPR (23), - FT_CR_GPR (24), - FT_CR_GPR (25), - FT_CR_GPR (26), - FT_CR_GPR (27), - FT_CR_GPR (28), - /* FP */ - FT_CR_GPR (29), - /* LR */ - FT_CR_GPR (30), - FT_CR_SP, - FT_CR_PC, - FT_CR_CPSR, - FT_CR_FPR (0), - FT_CR_FPR (1), - FT_CR_FPR (2), - FT_CR_FPR (3), - FT_CR_FPR (4), - FT_CR_FPR (5), - FT_CR_FPR (6), - FT_CR_FPR (7), - FT_CR_FPR (8), - FT_CR_FPR (9), - FT_CR_FPR (10), - FT_CR_FPR (11), - FT_CR_FPR (12), - FT_CR_FPR (13), - FT_CR_FPR (14), - FT_CR_FPR (15), - FT_CR_FPR (16), - FT_CR_FPR (17), - FT_CR_FPR (18), - FT_CR_FPR (19), - FT_CR_FPR (20), - FT_CR_FPR (21), - FT_CR_FPR (22), - FT_CR_FPR (23), - FT_CR_FPR (24), - FT_CR_FPR (25), - FT_CR_FPR (26), - FT_CR_FPR (27), - FT_CR_FPR (28), - FT_CR_FPR (29), - FT_CR_FPR (30), - FT_CR_FPR (31), - FT_CR_FPSR, - FT_CR_FPCR -}; +static const int aarch64_ft_collect_regmap[] + = { FT_CR_GPR (0), FT_CR_GPR (1), FT_CR_GPR (2), FT_CR_GPR (3), + FT_CR_GPR (4), FT_CR_GPR (5), FT_CR_GPR (6), FT_CR_GPR (7), + FT_CR_GPR (8), FT_CR_GPR (9), FT_CR_GPR (10), FT_CR_GPR (11), + FT_CR_GPR (12), FT_CR_GPR (13), FT_CR_GPR (14), FT_CR_GPR (15), + FT_CR_GPR (16), FT_CR_GPR (17), FT_CR_GPR (18), FT_CR_GPR (19), + FT_CR_GPR (20), FT_CR_GPR (21), FT_CR_GPR (22), FT_CR_GPR (23), + FT_CR_GPR (24), FT_CR_GPR (25), FT_CR_GPR (26), FT_CR_GPR (27), + FT_CR_GPR (28), + /* FP */ + FT_CR_GPR (29), + /* LR */ + FT_CR_GPR (30), FT_CR_SP, FT_CR_PC, FT_CR_CPSR, FT_CR_FPR (0), + FT_CR_FPR (1), FT_CR_FPR (2), FT_CR_FPR (3), FT_CR_FPR (4), + FT_CR_FPR (5), FT_CR_FPR (6), FT_CR_FPR (7), FT_CR_FPR (8), + FT_CR_FPR (9), FT_CR_FPR (10), FT_CR_FPR (11), FT_CR_FPR (12), + FT_CR_FPR (13), FT_CR_FPR (14), FT_CR_FPR (15), FT_CR_FPR (16), + FT_CR_FPR (17), FT_CR_FPR (18), FT_CR_FPR (19), FT_CR_FPR (20), + FT_CR_FPR (21), FT_CR_FPR (22), FT_CR_FPR (23), FT_CR_FPR (24), + FT_CR_FPR (25), FT_CR_FPR (26), FT_CR_FPR (27), FT_CR_FPR (28), + FT_CR_FPR (29), FT_CR_FPR (30), FT_CR_FPR (31), FT_CR_FPSR, FT_CR_FPCR }; #define AARCH64_NUM_FT_COLLECT_GREGS \ - (sizeof (aarch64_ft_collect_regmap) / sizeof(aarch64_ft_collect_regmap[0])) + (sizeof (aarch64_ft_collect_regmap) / sizeof (aarch64_ft_collect_regmap[0])) /* Fill in REGCACHE with registers saved by the jump pad in BUF. */ void supply_fast_tracepoint_registers (struct regcache *regcache, - const unsigned char *buf) + const unsigned char *buf) { int i; for (i = 0; i < AARCH64_NUM_FT_COLLECT_GREGS; i++) supply_register (regcache, i, - ((char *) buf) - + (aarch64_ft_collect_regmap[i] * FT_CR_SIZE)); + ((char *) buf) + + (aarch64_ft_collect_regmap[i] * FT_CR_SIZE)); } ULONGEST @@ -142,7 +91,7 @@ get_raw_reg (const unsigned char *raw_regs, int regnum) return 0; return *(ULONGEST *) (raw_regs - + aarch64_ft_collect_regmap[regnum] * FT_CR_SIZE); + + aarch64_ft_collect_regmap[regnum] * FT_CR_SIZE); } /* Return target_desc to use for IPA, given the tdesc index passed by @@ -185,17 +134,16 @@ alloc_jump_pad_buffer (size_t size) for (; addr; addr -= pagesize) { /* No MAP_FIXED - we don't want to zap someone's mapping. */ - res = mmap ((void *) addr, size, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + res = mmap ((void *) addr, size, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); /* If we got what we wanted, return. */ if ((uintptr_t) res == addr) - return res; + return res; /* If we got a mapping, but at a wrong address, undo it. */ if (res != MAP_FAILED) - munmap (res, size); + munmap (res, size); } return NULL; |