X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fsparc-linux-tdep.c;h=856d7357534ebfdc6d573cfaeecc31cac149ef78;hb=4e21640f674499048157fa62f08b16f6039f78f6;hp=63c12e304f8032a8ac0e32fc874b2f776b2aa8b3;hpb=0b30217134add051e159a192066a1e568ebd837f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c index 63c12e304f..856d735753 100644 --- a/gdb/sparc-linux-tdep.c +++ b/gdb/sparc-linux-tdep.c @@ -1,6 +1,6 @@ /* Target-dependent code for GNU/Linux SPARC. - Copyright (C) 2003-2005, 2007-2012 Free Software Foundation, Inc. + Copyright (C) 2003-2016 Free Software Foundation, Inc. This file is part of GDB. @@ -90,6 +90,31 @@ static const struct tramp_frame sparc32_linux_rt_sigframe = sparc32_linux_sigframe_init }; +/* This enum represents the signals' numbers on the SPARC + architecture. It just contains the signal definitions which are + different from the generic implementation. + + It is derived from the file , + 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, + }; + static void sparc32_linux_sigframe_init (const struct tramp_frame *self, struct frame_info *this_frame, @@ -173,7 +198,7 @@ sparc32_linux_step_trap (struct frame_info *frame, unsigned long insn) } -const struct sparc_gregset sparc32_linux_core_gregset = +const struct sparc_gregmap sparc32_linux_core_gregmap = { 32 * 4, /* %psr */ 33 * 4, /* %pc */ @@ -192,7 +217,7 @@ sparc32_linux_supply_core_gregset (const struct regset *regset, struct regcache *regcache, int regnum, const void *gregs, size_t len) { - sparc32_supply_gregset (&sparc32_linux_core_gregset, + sparc32_supply_gregset (&sparc32_linux_core_gregmap, regcache, regnum, gregs); } @@ -201,7 +226,7 @@ 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_gregset, + sparc32_collect_gregset (&sparc32_linux_core_gregmap, regcache, regnum, gregs); } @@ -210,7 +235,7 @@ sparc32_linux_supply_core_fpregset (const struct regset *regset, struct regcache *regcache, int regnum, const void *fpregs, size_t len) { - sparc32_supply_fpregset (regcache, regnum, fpregs); + sparc32_supply_fpregset (&sparc32_bsd_fpregmap, regcache, regnum, fpregs); } static void @@ -218,7 +243,7 @@ sparc32_linux_collect_core_fpregset (const struct regset *regset, const struct regcache *regcache, int regnum, void *fpregs, size_t len) { - sparc32_collect_fpregset (regcache, regnum, fpregs); + sparc32_collect_fpregset (&sparc32_bsd_fpregmap, regcache, regnum, fpregs); } /* Set the program counter for process PTID to PC. */ @@ -268,8 +293,130 @@ sparc32_linux_get_syscall_number (struct gdbarch *gdbarch, return ret; } +/* Implementation of `gdbarch_gdb_signal_from_target', as defined in + gdbarch.h. */ + +static enum gdb_signal +sparc32_linux_gdb_signal_from_target (struct gdbarch *gdbarch, + int signal) +{ + switch (signal) + { + case SPARC_LINUX_SIGEMT: + return GDB_SIGNAL_EMT; + + case SPARC_LINUX_SIGBUS: + return GDB_SIGNAL_BUS; + + case SPARC_LINUX_SIGSYS: + return GDB_SIGNAL_SYS; + + case SPARC_LINUX_SIGURG: + return GDB_SIGNAL_URG; + + case SPARC_LINUX_SIGSTOP: + return GDB_SIGNAL_STOP; + + case SPARC_LINUX_SIGTSTP: + return GDB_SIGNAL_TSTP; + + case SPARC_LINUX_SIGCONT: + return GDB_SIGNAL_CONT; + + case SPARC_LINUX_SIGCHLD: + return GDB_SIGNAL_CHLD; + + /* No way to differentiate between SIGIO and SIGPOLL. + Therefore, we just handle the first one. */ + case SPARC_LINUX_SIGIO: + return GDB_SIGNAL_IO; + + /* No way to differentiate between SIGLOST and SIGPWR. + Therefore, we just handle the first one. */ + case SPARC_LINUX_SIGLOST: + return GDB_SIGNAL_LOST; + + case SPARC_LINUX_SIGUSR1: + return GDB_SIGNAL_USR1; + + case SPARC_LINUX_SIGUSR2: + return GDB_SIGNAL_USR2; + } + + return linux_gdb_signal_from_target (gdbarch, signal); +} + +/* Implementation of `gdbarch_gdb_signal_to_target', as defined in + gdbarch.h. */ + +static int +sparc32_linux_gdb_signal_to_target (struct gdbarch *gdbarch, + enum gdb_signal signal) +{ + switch (signal) + { + case GDB_SIGNAL_EMT: + return SPARC_LINUX_SIGEMT; + + case GDB_SIGNAL_BUS: + return SPARC_LINUX_SIGBUS; + + case GDB_SIGNAL_SYS: + return SPARC_LINUX_SIGSYS; + + case GDB_SIGNAL_URG: + return SPARC_LINUX_SIGURG; + + case GDB_SIGNAL_STOP: + return SPARC_LINUX_SIGSTOP; + + case GDB_SIGNAL_TSTP: + return SPARC_LINUX_SIGTSTP; + + case GDB_SIGNAL_CONT: + return SPARC_LINUX_SIGCONT; + + case GDB_SIGNAL_CHLD: + return SPARC_LINUX_SIGCHLD; + + case GDB_SIGNAL_IO: + return SPARC_LINUX_SIGIO; + + case GDB_SIGNAL_POLL: + return SPARC_LINUX_SIGPOLL; + + case GDB_SIGNAL_LOST: + return SPARC_LINUX_SIGLOST; + + case GDB_SIGNAL_PWR: + return SPARC_LINUX_SIGPWR; + + case GDB_SIGNAL_USR1: + return SPARC_LINUX_SIGUSR1; + + case GDB_SIGNAL_USR2: + return SPARC_LINUX_SIGUSR2; + } + + 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_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) { @@ -277,12 +424,10 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) linux_init_abi (info, gdbarch); - tdep->gregset = regset_alloc (gdbarch, sparc32_linux_supply_core_gregset, - sparc32_linux_collect_core_gregset); + tdep->gregset = &sparc32_linux_gregset; tdep->sizeof_gregset = 152; - tdep->fpregset = regset_alloc (gdbarch, sparc32_linux_supply_core_fpregset, - sparc32_linux_collect_core_fpregset); + tdep->fpregset = &sparc32_linux_fpregset; tdep->sizeof_fpregset = 396; tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_sigframe); @@ -310,9 +455,14 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_write_pc (gdbarch, sparc_linux_write_pc); /* Functions for 'catch syscall'. */ - set_xml_syscall_file_name (XML_SYSCALL_FILENAME_SPARC32); + set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_SPARC32); set_gdbarch_get_syscall_number (gdbarch, sparc32_linux_get_syscall_number); + + set_gdbarch_gdb_signal_from_target (gdbarch, + sparc32_linux_gdb_signal_from_target); + set_gdbarch_gdb_signal_to_target (gdbarch, + sparc32_linux_gdb_signal_to_target); } /* Provide a prototype to silence -Wmissing-prototypes. */