diff options
Diffstat (limited to 'gdb/sparc-linux-tdep.c')
| -rw-r--r-- | gdb/sparc-linux-tdep.c | 145 |
1 files changed, 62 insertions, 83 deletions
diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c index 5f9d3cb..f3fe1b0 100644 --- a/gdb/sparc-linux-tdep.c +++ b/gdb/sparc-linux-tdep.c @@ -63,32 +63,24 @@ static void sparc32_linux_sigframe_init (const struct tramp_frame *self, the effect is to call the system call sigreturn. This is unlikely to occur anywhere other than a signal trampoline. */ -static const struct tramp_frame sparc32_linux_sigframe = -{ - SIGTRAMP_FRAME, - 4, - { - { 0x821020d8, ULONGEST_MAX }, /* mov __NR_sigreturn, %g1 */ - { 0x91d02010, ULONGEST_MAX }, /* ta 0x10 */ - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - sparc32_linux_sigframe_init -}; +static const struct tramp_frame sparc32_linux_sigframe + = { SIGTRAMP_FRAME, + 4, + { { 0x821020d8, ULONGEST_MAX }, /* mov __NR_sigreturn, %g1 */ + { 0x91d02010, ULONGEST_MAX }, /* ta 0x10 */ + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + sparc32_linux_sigframe_init }; /* The instruction sequence for RT signals is slightly different. The effect is to call the system call rt_sigreturn. */ -static const struct tramp_frame sparc32_linux_rt_sigframe = -{ - SIGTRAMP_FRAME, - 4, - { - { 0x82102065, ULONGEST_MAX }, /* mov __NR_rt_sigreturn, %g1 */ - { 0x91d02010, ULONGEST_MAX }, /* ta 0x10 */ - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - sparc32_linux_sigframe_init -}; +static const struct tramp_frame sparc32_linux_rt_sigframe + = { SIGTRAMP_FRAME, + 4, + { { 0x82102065, ULONGEST_MAX }, /* mov __NR_rt_sigreturn, %g1 */ + { 0x91d02010, ULONGEST_MAX }, /* ta 0x10 */ + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + sparc32_linux_sigframe_init }; /* This enum represents the signals' numbers on the SPARC architecture. It just contains the signal definitions which are @@ -98,22 +90,22 @@ static const struct tramp_frame sparc32_linux_rt_sigframe = from the Linux kernel tree. */ enum - { - SPARC_LINUX_SIGEMT = 7, - SPARC_LINUX_SIGBUS = 10, - SPARC_LINUX_SIGSYS = 12, - SPARC_LINUX_SIGURG = 16, - SPARC_LINUX_SIGSTOP = 17, - SPARC_LINUX_SIGTSTP = 18, - SPARC_LINUX_SIGCONT = 19, - SPARC_LINUX_SIGCHLD = 20, - SPARC_LINUX_SIGIO = 23, - SPARC_LINUX_SIGPOLL = SPARC_LINUX_SIGIO, - SPARC_LINUX_SIGLOST = 29, - SPARC_LINUX_SIGPWR = SPARC_LINUX_SIGLOST, - SPARC_LINUX_SIGUSR1 = 30, - SPARC_LINUX_SIGUSR2 = 31, - }; +{ + SPARC_LINUX_SIGEMT = 7, + SPARC_LINUX_SIGBUS = 10, + SPARC_LINUX_SIGSYS = 12, + SPARC_LINUX_SIGURG = 16, + SPARC_LINUX_SIGSTOP = 17, + SPARC_LINUX_SIGTSTP = 18, + SPARC_LINUX_SIGCONT = 19, + SPARC_LINUX_SIGCHLD = 20, + SPARC_LINUX_SIGIO = 23, + SPARC_LINUX_SIGPOLL = SPARC_LINUX_SIGIO, + SPARC_LINUX_SIGLOST = 29, + SPARC_LINUX_SIGPWR = SPARC_LINUX_SIGLOST, + SPARC_LINUX_SIGUSR1 = 30, + SPARC_LINUX_SIGUSR2 = 31, +}; static void sparc32_linux_sigframe_init (const struct tramp_frame *self, @@ -154,7 +146,7 @@ sparc32_linux_sigframe_init (const struct tramp_frame *self, } trad_frame_set_id (this_cache, frame_id_build (base, func)); } - + /* Return the address of a system call's alternative return address. */ @@ -196,29 +188,26 @@ sparc32_linux_step_trap (frame_info_ptr frame, unsigned long insn) return 0; } - -const struct sparc_gregmap sparc32_linux_core_gregmap = -{ - 32 * 4, /* %psr */ - 33 * 4, /* %pc */ - 34 * 4, /* %npc */ - 35 * 4, /* %y */ - -1, /* %wim */ - -1, /* %tbr */ - 1 * 4, /* %g1 */ - 16 * 4, /* %l0 */ - 4, /* y size */ +const struct sparc_gregmap sparc32_linux_core_gregmap = { + 32 * 4, /* %psr */ + 33 * 4, /* %pc */ + 34 * 4, /* %npc */ + 35 * 4, /* %y */ + -1, /* %wim */ + -1, /* %tbr */ + 1 * 4, /* %g1 */ + 16 * 4, /* %l0 */ + 4, /* y size */ }; - static void sparc32_linux_supply_core_gregset (const struct regset *regset, - struct regcache *regcache, - int regnum, const void *gregs, size_t len) + struct regcache *regcache, int regnum, + const void *gregs, size_t len) { - sparc32_supply_gregset (&sparc32_linux_core_gregmap, - regcache, regnum, gregs); + sparc32_supply_gregset (&sparc32_linux_core_gregmap, regcache, regnum, + gregs); } static void @@ -226,14 +215,14 @@ sparc32_linux_collect_core_gregset (const struct regset *regset, const struct regcache *regcache, int regnum, void *gregs, size_t len) { - sparc32_collect_gregset (&sparc32_linux_core_gregmap, - regcache, regnum, gregs); + sparc32_collect_gregset (&sparc32_linux_core_gregmap, regcache, regnum, + gregs); } static void sparc32_linux_supply_core_fpregset (const struct regset *regset, - struct regcache *regcache, - int regnum, const void *fpregs, size_t len) + struct regcache *regcache, int regnum, + const void *fpregs, size_t len) { sparc32_supply_fpregset (&sparc32_bsd_fpregmap, regcache, regnum, fpregs); } @@ -248,7 +237,7 @@ sparc32_linux_collect_core_fpregset (const struct regset *regset, /* Set the program counter for process PTID to PC. */ -#define PSR_SYSCALL 0x00004000 +#define PSR_SYSCALL 0x00004000 static void sparc_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) @@ -274,8 +263,7 @@ sparc_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) } static LONGEST -sparc32_linux_get_syscall_number (struct gdbarch *gdbarch, - thread_info *thread) +sparc32_linux_get_syscall_number (struct gdbarch *gdbarch, thread_info *thread) { struct regcache *regcache = get_thread_regcache (thread); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); @@ -298,8 +286,7 @@ sparc32_linux_get_syscall_number (struct gdbarch *gdbarch, gdbarch.h. */ static enum gdb_signal -sparc32_linux_gdb_signal_from_target (struct gdbarch *gdbarch, - int signal) +sparc32_linux_gdb_signal_from_target (struct gdbarch *gdbarch, int signal) { switch (signal) { @@ -402,21 +389,13 @@ sparc32_linux_gdb_signal_to_target (struct gdbarch *gdbarch, return linux_gdb_signal_to_target (gdbarch, signal); } - +static const struct regset sparc32_linux_gregset + = { NULL, sparc32_linux_supply_core_gregset, + sparc32_linux_collect_core_gregset }; -static const struct regset sparc32_linux_gregset = - { - NULL, - sparc32_linux_supply_core_gregset, - sparc32_linux_collect_core_gregset - }; - -static const struct regset sparc32_linux_fpregset = - { - NULL, - sparc32_linux_supply_core_fpregset, - sparc32_linux_collect_core_fpregset - }; +static const struct regset sparc32_linux_fpregset + = { NULL, sparc32_linux_supply_core_fpregset, + sparc32_linux_collect_core_fpregset }; static void sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) @@ -436,8 +415,8 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* GNU/Linux has SVR4-style shared libraries... */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); - set_solib_svr4_fetch_link_map_offsets - (gdbarch, linux_ilp32_fetch_link_map_offsets); + set_solib_svr4_fetch_link_map_offsets (gdbarch, + linux_ilp32_fetch_link_map_offsets); /* ...which means that we need some special handling when doing prologue analysis. */ @@ -457,8 +436,7 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Functions for 'catch syscall'. */ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_SPARC32); - set_gdbarch_get_syscall_number (gdbarch, - sparc32_linux_get_syscall_number); + set_gdbarch_get_syscall_number (gdbarch, sparc32_linux_get_syscall_number); set_gdbarch_gdb_signal_from_target (gdbarch, sparc32_linux_gdb_signal_from_target); @@ -467,6 +445,7 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) } void _initialize_sparc_linux_tdep (); + void _initialize_sparc_linux_tdep () { |