diff options
Diffstat (limited to 'gdb/csky-linux-tdep.c')
| -rw-r--r-- | gdb/csky-linux-tdep.c | 172 |
1 files changed, 72 insertions, 100 deletions
diff --git a/gdb/csky-linux-tdep.c b/gdb/csky-linux-tdep.c index b34e208..8b660cc 100644 --- a/gdb/csky-linux-tdep.c +++ b/gdb/csky-linux-tdep.c @@ -33,45 +33,36 @@ /* Functions, definitions, and data structures for C-Sky core file debug. */ /* General regset pc, r1, r0, psr, r2-r31 for CK810. */ -#define SIZEOF_CSKY_GREGSET 34*4 +#define SIZEOF_CSKY_GREGSET 34 * 4 /* Float regset fesr fsr fr0-fr31 for CK810. */ -#define SIZEOF_CSKY_FREGSET 34*4 +#define SIZEOF_CSKY_FREGSET 34 * 4 /* Float regset vr0~vr15 fr15~fr31, reserved for CK810 when kernel 4.x. */ -#define SIZEOF_CSKY_FREGSET_K4X 400 +#define SIZEOF_CSKY_FREGSET_K4X 400 /* Offset mapping table from core_section to regcache of general registers for ck810. */ -static const int csky_gregset_offset[] = -{ - 72, 1, 0, 89, 2, /* pc, r1, r0, psr, r2. */ - 3, 4, 5, 6, 7, /* r3 ~ r32. */ - 8, 9, 10, 11, 12, - 13, 14, 15, 16, 17, - 18, 19, 20, 21, 22, - 23, 24, 25, 26, 27, - 28, 29, 30, 31 -}; +static const int csky_gregset_offset[] + = { 72, 1, 0, 89, 2, /* pc, r1, r0, psr, r2. */ + 3, 4, 5, 6, 7, /* r3 ~ r32. */ + 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }; /* Offset mapping table from core_section to regcache of float registers for ck810. */ -static const int csky_fregset_offset[] = -{ - 122, 123, 40, 41, 42, /* fcr, fesr, fr0 ~ fr2. */ - 43, 44, 45, 46, 47, /* fr3 ~ fr15. */ - 48, 49, 50, 51, 52, - 53, 54, 55 -}; +static const int csky_fregset_offset[] + = { 122, 123, 40, 41, 42, /* fcr, fesr, fr0 ~ fr2. */ + 43, 44, 45, 46, 47, /* fr3 ~ fr15. */ + 48, 49, 50, 51, 52, 53, 54, 55 }; /* Implement the supply_regset hook for GP registers in core files. */ static void -csky_supply_gregset (const struct regset *regset, - struct regcache *regcache, int regnum, - const void *regs, size_t len) +csky_supply_gregset (const struct regset *regset, struct regcache *regcache, + int regnum, const void *regs, size_t len) { int i, gregset_num; - const gdb_byte *gregs = (const gdb_byte *) regs ; + const gdb_byte *gregs = (const gdb_byte *) regs; gdb_assert (len >= SIZEOF_CSKY_GREGSET); gregset_num = ARRAY_SIZE (csky_gregset_offset); @@ -88,11 +79,11 @@ csky_supply_gregset (const struct regset *regset, static void csky_collect_gregset (const struct regset *regset, - const struct regcache *regcache, - int regnum, void *gregs_buf, size_t len) + const struct regcache *regcache, int regnum, + void *gregs_buf, size_t len) { int regno, gregset_num; - gdb_byte *gregs = (gdb_byte *) gregs_buf ; + gdb_byte *gregs = (gdb_byte *) gregs_buf; gdb_assert (len >= SIZEOF_CSKY_GREGSET); gregset_num = ARRAY_SIZE (csky_gregset_offset); @@ -101,17 +92,15 @@ csky_collect_gregset (const struct regset *regset, { if ((regnum == csky_gregset_offset[regno] || regnum == -1) && csky_gregset_offset[regno] != -1) - regcache->raw_collect (regno, - gregs + 4 + csky_gregset_offset[regno]); + regcache->raw_collect (regno, gregs + 4 + csky_gregset_offset[regno]); } } /* Implement the supply_regset hook for FP registers in core files. */ static void -csky_supply_fregset (const struct regset *regset, - struct regcache *regcache, int regnum, - const void *regs, size_t len) +csky_supply_fregset (const struct regset *regset, struct regcache *regcache, + int regnum, const void *regs, size_t len) { int i; int offset = 0; @@ -150,10 +139,10 @@ csky_supply_fregset (const struct regset *regset, In addition, for fr0~fr15, each FRx is the lower 64 bits of the corresponding VRx. So fr0~fr15 and vr0~vr15 regisetrs use the same offset. */ - int fcr_regno[] = {122, 123, 121}; /* fcr, fesr, fid. */ + int fcr_regno[] = { 122, 123, 121 }; /* fcr, fesr, fid. */ /* Supply vr0~vr15. */ - for (i = 0; i < 16; i ++) + for (i = 0; i < 16; i++) { if (*gdbarch_register_name (gdbarch, (CSKY_VR0_REGNUM + i)) != '\0') { @@ -162,7 +151,7 @@ csky_supply_fregset (const struct regset *regset, } } /* Supply fr0~fr15. */ - for (i = 0; i < 16; i ++) + for (i = 0; i < 16; i++) { if (*gdbarch_register_name (gdbarch, (CSKY_FR0_REGNUM + i)) != '\0') { @@ -171,7 +160,7 @@ csky_supply_fregset (const struct regset *regset, } } /* Supply fr16~fr31. */ - for (i = 0; i < 16; i ++) + for (i = 0; i < 16; i++) { if (*gdbarch_register_name (gdbarch, (CSKY_FR16_REGNUM + i)) != '\0') { @@ -179,8 +168,8 @@ csky_supply_fregset (const struct regset *regset, regcache->raw_supply (CSKY_FR16_REGNUM + i, fregs + offset); } } - /* Supply fcr, fesr, fid. */ - for (i = 0; i < 3; i ++) + /* Supply fcr, fesr, fid. */ + for (i = 0; i < 3; i++) { if (*gdbarch_register_name (gdbarch, fcr_regno[i]) != '\0') { @@ -191,8 +180,9 @@ csky_supply_fregset (const struct regset *regset, } else { - warning (_("Unknow size %s of section .reg2, can not get value" - " of float registers."), pulongest (len)); + warning (_ ("Unknow size %s of section .reg2, can not get value" + " of float registers."), + pulongest (len)); } } @@ -200,12 +190,12 @@ csky_supply_fregset (const struct regset *regset, static void csky_collect_fregset (const struct regset *regset, - const struct regcache *regcache, - int regnum, void *fregs_buf, size_t len) + const struct regcache *regcache, int regnum, + void *fregs_buf, size_t len) { int regno; struct gdbarch *gdbarch = regcache->arch (); - gdb_byte *fregs = (gdb_byte *) fregs_buf ; + gdb_byte *fregs = (gdb_byte *) fregs_buf; int fregset_num = ARRAY_SIZE (csky_fregset_offset); int offset = 0; @@ -215,7 +205,7 @@ csky_collect_fregset (const struct regset *regset, for (regno = 0; regno < fregset_num; regno++) { if ((regnum == csky_fregset_offset[regno] || regnum == -1) - && csky_fregset_offset[regno] != -1) + && csky_fregset_offset[regno] != -1) { offset += register_size (gdbarch, csky_fregset_offset[regno]); regcache->raw_collect (regno, fregs + offset); @@ -240,59 +230,52 @@ csky_collect_fregset (const struct regset *regset, corresponding VRx. So fr0~fr15 and vr0~vr15 regisetrs use the same$ offset. */ int i = 0; - int fcr_regno[] = {122, 123, 121}; /* fcr, fesr, fid. */ + int fcr_regno[] = { 122, 123, 121 }; /* fcr, fesr, fid. */ /* Supply vr0~vr15. */ - for (i = 0; i < 16; i ++) + for (i = 0; i < 16; i++) { if (*gdbarch_register_name (gdbarch, (CSKY_VR0_REGNUM + i)) != '\0') { offset = 16 * i; - regcache ->raw_collect (CSKY_VR0_REGNUM + i, fregs + offset); + regcache->raw_collect (CSKY_VR0_REGNUM + i, fregs + offset); } } /* Supply fr16~fr31. */ - for (i = 0; i < 16; i ++) + for (i = 0; i < 16; i++) { if (*gdbarch_register_name (gdbarch, (CSKY_FR16_REGNUM + i)) != '\0') { offset = (16 * 16) + (8 * i); - regcache ->raw_collect (CSKY_FR16_REGNUM + i, fregs + offset); + regcache->raw_collect (CSKY_FR16_REGNUM + i, fregs + offset); } } /* Supply fcr, fesr, fid. */ - for (i = 0; i < 3; i ++) + for (i = 0; i < 3; i++) { if (*gdbarch_register_name (gdbarch, fcr_regno[i]) != '\0') { offset = (16 * 16) + (16 * 8) + (4 * i); - regcache ->raw_collect (fcr_regno[i], fregs + offset); + regcache->raw_collect (fcr_regno[i], fregs + offset); } } } else { - warning (_("Unknow size %s of section .reg2, will not set value" - " of float registers."), pulongest (len)); + warning (_ ("Unknow size %s of section .reg2, will not set value" + " of float registers."), + pulongest (len)); } } -static const struct regset csky_regset_general = -{ - NULL, - csky_supply_gregset, - csky_collect_gregset -}; +static const struct regset csky_regset_general + = { NULL, csky_supply_gregset, csky_collect_gregset }; -static const struct regset csky_regset_float = -{ - NULL, - csky_supply_fregset, - csky_collect_fregset, - /* Allow .reg2 to have a different size, and the size of .reg2 should +static const struct regset csky_regset_float + = { NULL, csky_supply_fregset, csky_collect_fregset, + /* Allow .reg2 to have a different size, and the size of .reg2 should always be bigger than SIZEOF_CSKY_FREGSET. */ - 1 -}; + 1 }; /* Iterate over core file register note sections. */ @@ -318,13 +301,12 @@ csky_linux_rt_sigreturn_init (const struct tramp_frame *self, CORE_ADDR sp = get_frame_register_unsigned (this_frame, 14); CORE_ADDR base = sp + CSKY_SIGINFO_OFFSET + CSKY_SIGINFO_SIZE - + CSKY_UCONTEXT_SIGCONTEXT - + CSKY_SIGCONTEXT_SC_USP + + CSKY_UCONTEXT_SIGCONTEXT + CSKY_SIGCONTEXT_SC_USP + CSKY_SIGCONTEXT_SC_A0; /* Set addrs of R0 ~ R13. */ for (i = 0; i < 14; i++) - trad_frame_set_reg_addr (this_cache, i, base + i * 4); + trad_frame_set_reg_addr (this_cache, i, base + i * 4); /* Set addrs of SP(R14) and R15. */ trad_frame_set_reg_addr (this_cache, 14, base - 4); @@ -332,7 +314,7 @@ csky_linux_rt_sigreturn_init (const struct tramp_frame *self, /* Set addrs of R16 ~ R31. */ for (i = 15; i < 31; i++) - trad_frame_set_reg_addr (this_cache, i, base + i * 4); + trad_frame_set_reg_addr (this_cache, i, base + i * 4); /* Set addrs of PSR and PC. */ trad_frame_set_reg_addr (this_cache, 89, base + 4 * 33); @@ -341,17 +323,13 @@ csky_linux_rt_sigreturn_init (const struct tramp_frame *self, trad_frame_set_id (this_cache, frame_id_build (sp, func)); } -static struct tramp_frame -csky_linux_rt_sigreturn_tramp_frame = { - SIGTRAMP_FRAME, - 4, - { - { CSKY_MOVI_R7_173, ULONGEST_MAX }, - { CSKY_TRAP_0, ULONGEST_MAX }, - { TRAMP_SENTINEL_INSN } - }, - csky_linux_rt_sigreturn_init -}; +static struct tramp_frame csky_linux_rt_sigreturn_tramp_frame + = { SIGTRAMP_FRAME, + 4, + { { CSKY_MOVI_R7_173, ULONGEST_MAX }, + { CSKY_TRAP_0, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN } }, + csky_linux_rt_sigreturn_init }; static void csky_linux_rt_sigreturn_init_pt_regs (const struct tramp_frame *self, @@ -363,8 +341,7 @@ csky_linux_rt_sigreturn_init_pt_regs (const struct tramp_frame *self, CORE_ADDR sp = get_frame_register_unsigned (this_frame, CSKY_SP_REGNUM); CORE_ADDR base = sp + CSKY_SIGINFO_OFFSET + CSKY_SIGINFO_SIZE - + CSKY_UCONTEXT_SIGCONTEXT - + CSKY_SIGCONTEXT_PT_REGS_TLS; + + CSKY_UCONTEXT_SIGCONTEXT + CSKY_SIGCONTEXT_PT_REGS_TLS; /* LR */ trad_frame_set_reg_addr (this_cache, CSKY_R15_REGNUM, base); @@ -385,18 +362,13 @@ csky_linux_rt_sigreturn_init_pt_regs (const struct tramp_frame *self, trad_frame_set_id (this_cache, frame_id_build (sp, func)); } - -static struct tramp_frame -csky_linux_rt_sigreturn_tramp_frame_kernel_4x = { - SIGTRAMP_FRAME, - 4, - { - { CSKY_MOVI_R7_139, ULONGEST_MAX }, - { CSKY_TRAP_0, ULONGEST_MAX }, - { TRAMP_SENTINEL_INSN } - }, - csky_linux_rt_sigreturn_init_pt_regs -}; +static struct tramp_frame csky_linux_rt_sigreturn_tramp_frame_kernel_4x + = { SIGTRAMP_FRAME, + 4, + { { CSKY_MOVI_R7_139, ULONGEST_MAX }, + { CSKY_TRAP_0, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN } }, + csky_linux_rt_sigreturn_init_pt_regs }; /* Hook function for gdbarch_register_osabi. */ @@ -421,13 +393,13 @@ csky_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Append tramp frame unwinder for SIGNAL. */ - tramp_frame_prepend_unwinder (gdbarch, - &csky_linux_rt_sigreturn_tramp_frame); - tramp_frame_prepend_unwinder (gdbarch, - &csky_linux_rt_sigreturn_tramp_frame_kernel_4x); + tramp_frame_prepend_unwinder (gdbarch, &csky_linux_rt_sigreturn_tramp_frame); + tramp_frame_prepend_unwinder ( + gdbarch, &csky_linux_rt_sigreturn_tramp_frame_kernel_4x); } void _initialize_csky_linux_tdep (); + void _initialize_csky_linux_tdep () { |