diff options
Diffstat (limited to 'gdb/tic6x-linux-tdep.c')
| -rw-r--r-- | gdb/tic6x-linux-tdep.c | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/gdb/tic6x-linux-tdep.c b/gdb/tic6x-linux-tdep.c index a070a0c..7407256 100644 --- a/gdb/tic6x-linux-tdep.c +++ b/gdb/tic6x-linux-tdep.c @@ -50,22 +50,22 @@ tic6x_register_sigcontext_offset (unsigned int regnum, struct gdbarch *gdbarch) if (regnum == TIC6X_A4_REGNUM || regnum == TIC6X_A4_REGNUM + 2 || regnum == TIC6X_A4_REGNUM + 4) - return 4 * (regnum - TIC6X_A4_REGNUM + 2); /* A4, A6, A8 */ + return 4 * (regnum - TIC6X_A4_REGNUM + 2); /* A4, A6, A8 */ else if (regnum == TIC6X_A5_REGNUM || regnum == TIC6X_A5_REGNUM + 2 || regnum == TIC6X_A5_REGNUM + 4) - return 4 * (regnum - TIC6X_A5_REGNUM + 12); /* A5, A7, A9 */ + return 4 * (regnum - TIC6X_A5_REGNUM + 12); /* A5, A7, A9 */ else if (regnum == TIC6X_B4_REGNUM || regnum == TIC6X_B4_REGNUM + 2 || regnum == TIC6X_B4_REGNUM + 4) - return 4 * (regnum - TIC6X_B4_REGNUM + 3); /* B4, B6, B8 */ + return 4 * (regnum - TIC6X_B4_REGNUM + 3); /* B4, B6, B8 */ else if (regnum == TIC6X_B5_REGNUM || regnum == TIC6X_B5_REGNUM + 2 || regnum == TIC6X_B5_REGNUM + 4) - return 4 * (regnum - TIC6X_B5_REGNUM + 19); /* B5, B7, B9 */ + return 4 * (regnum - TIC6X_B5_REGNUM + 19); /* B5, B7, B9 */ else if (regnum < TIC6X_A4_REGNUM) - return 4 * (regnum - 0 + 8); /* A0 - A3 */ + return 4 * (regnum - 0 + 8); /* A0 - A3 */ else if (regnum >= TIC6X_B0_REGNUM && regnum < TIC6X_B4_REGNUM) - return 4 * (regnum - TIC6X_B0_REGNUM + 15); /* B0 - B3 */ + return 4 * (regnum - TIC6X_B0_REGNUM + 15); /* B0 - B3 */ else if (regnum >= 34 && regnum < 34 + 32) - return 4 * (regnum - 34 + 23); /* A16 - A31, B16 - B31 */ + return 4 * (regnum - 34 + 23); /* A16 - A31, B16 - B31 */ else if (regnum == TIC6X_PC_REGNUM) return 4 * (tdep->has_gp ? 55 : 23); else if (regnum == TIC6X_SP_REGNUM) @@ -87,17 +87,17 @@ tic6x_linux_rt_sigreturn_init (const struct tramp_frame *self, CORE_ADDR sp = get_frame_register_unsigned (this_frame, TIC6X_SP_REGNUM); /* The base of struct sigcontext is computed by examining the definition of struct rt_sigframe in linux kernel source arch/c6x/kernel/signal.c. */ - CORE_ADDR base = (sp + TIC6X_SP_RT_SIGFRAME + CORE_ADDR base = (sp + + TIC6X_SP_RT_SIGFRAME /* Pointer type *pinfo and *puc in struct rt_sigframe. */ - + 4 + 4 - + TIC6X_SIGINFO_SIZE - + 4 + 4 /* uc_flags and *uc_link in struct ucontext. */ + + 4 + 4 + TIC6X_SIGINFO_SIZE + 4 + + 4 /* uc_flags and *uc_link in struct ucontext. */ + TIC6X_STACK_T_SIZE); tic6x_gdbarch_tdep *tdep = gdbarch_tdep<tic6x_gdbarch_tdep> (gdbarch); unsigned int reg_offset; unsigned int i; - for (i = 0; i < 10; i++) /* A0 - A9 */ + for (i = 0; i < 10; i++) /* A0 - A9 */ { reg_offset = tic6x_register_sigcontext_offset (i, gdbarch); gdb_assert (reg_offset != 0); @@ -105,7 +105,7 @@ tic6x_linux_rt_sigreturn_init (const struct tramp_frame *self, trad_frame_set_reg_addr (this_cache, i, base + reg_offset); } - for (i = TIC6X_B0_REGNUM; i < TIC6X_B0_REGNUM + 10; i++) /* B0 - B9 */ + for (i = TIC6X_B0_REGNUM; i < TIC6X_B0_REGNUM + 10; i++) /* B0 - B9 */ { reg_offset = tic6x_register_sigcontext_offset (i, gdbarch); gdb_assert (reg_offset != 0); @@ -114,7 +114,7 @@ tic6x_linux_rt_sigreturn_init (const struct tramp_frame *self, } if (tdep->has_gp) - for (i = 34; i < 34 + 32; i++) /* A16 - A31, B16 - B31 */ + for (i = 34; i < 34 + 32; i++) /* A16 - A31, B16 - B31 */ { reg_offset = tic6x_register_sigcontext_offset (i, gdbarch); gdb_assert (reg_offset != 0); @@ -122,28 +122,24 @@ tic6x_linux_rt_sigreturn_init (const struct tramp_frame *self, trad_frame_set_reg_addr (this_cache, i, base + reg_offset); } - trad_frame_set_reg_addr (this_cache, TIC6X_PC_REGNUM, - base + tic6x_register_sigcontext_offset (TIC6X_PC_REGNUM, - gdbarch)); - trad_frame_set_reg_addr (this_cache, TIC6X_SP_REGNUM, - base + tic6x_register_sigcontext_offset (TIC6X_SP_REGNUM, - gdbarch)); + trad_frame_set_reg_addr ( + this_cache, TIC6X_PC_REGNUM, + base + tic6x_register_sigcontext_offset (TIC6X_PC_REGNUM, gdbarch)); + trad_frame_set_reg_addr ( + this_cache, TIC6X_SP_REGNUM, + base + tic6x_register_sigcontext_offset (TIC6X_SP_REGNUM, gdbarch)); /* Save a frame ID. */ trad_frame_set_id (this_cache, frame_id_build (sp, func)); } -static struct tramp_frame tic6x_linux_rt_sigreturn_tramp_frame = -{ - SIGTRAMP_FRAME, - 4, - { - {0x000045aa, 0x0fffffff}, /* mvk .S2 139,b0 */ - {0x10000000, ULONGEST_MAX}, /* swe */ - {TRAMP_SENTINEL_INSN} - }, - tic6x_linux_rt_sigreturn_init -}; +static struct tramp_frame tic6x_linux_rt_sigreturn_tramp_frame + = { SIGTRAMP_FRAME, + 4, + { { 0x000045aa, 0x0fffffff }, /* mvk .S2 139,b0 */ + { 0x10000000, ULONGEST_MAX }, /* swe */ + { TRAMP_SENTINEL_INSN } }, + tic6x_linux_rt_sigreturn_init }; /* When FRAME is at a syscall instruction, return the PC of the next instruction to be executed. */ @@ -151,8 +147,8 @@ static struct tramp_frame tic6x_linux_rt_sigreturn_tramp_frame = static CORE_ADDR tic6x_linux_syscall_next_pc (frame_info_ptr frame) { - ULONGEST syscall_number = get_frame_register_unsigned (frame, - TIC6X_B0_REGNUM); + ULONGEST syscall_number + = get_frame_register_unsigned (frame, TIC6X_B0_REGNUM); CORE_ADDR pc = get_frame_pc (frame); if (syscall_number == 139 /* rt_sigreturn */) @@ -161,7 +157,6 @@ tic6x_linux_syscall_next_pc (frame_info_ptr frame) return pc + 4; } - static void tic6x_uclinux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { @@ -205,6 +200,7 @@ tic6x_uclinux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) } void _initialize_tic6x_linux_tdep (); + void _initialize_tic6x_linux_tdep () { |