diff options
Diffstat (limited to 'gdb/sparc-linux-tdep.c')
| -rw-r--r-- | gdb/sparc-linux-tdep.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c index d65db6c..20644b4 100644 --- a/gdb/sparc-linux-tdep.c +++ b/gdb/sparc-linux-tdep.c @@ -32,6 +32,10 @@ #include "symtab.h" #include "trad-frame.h" #include "tramp-frame.h" +#include "xml-syscall.h" + +/* The syscall's XML filename for sparc 32-bit. */ +#define XML_SYSCALL_FILENAME_SPARC32 "syscalls/sparc-linux.xml" #include "sparc-tdep.h" @@ -241,6 +245,27 @@ sparc_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) regcache_cooked_write_unsigned (regcache, SPARC32_PSR_REGNUM, psr); } +static LONGEST +sparc32_linux_get_syscall_number (struct gdbarch *gdbarch, + ptid_t ptid) +{ + struct regcache *regcache = get_thread_regcache (ptid); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); + /* The content of a register. */ + gdb_byte buf[4]; + /* The result. */ + LONGEST ret; + + /* Getting the system call number from the register. + When dealing with the sparc architecture, this information + is stored at the %g1 register. */ + regcache_cooked_read (regcache, SPARC_G1_REGNUM, buf); + + ret = extract_signed_integer (buf, 4, byte_order); + + return ret; +} + static void @@ -279,6 +304,11 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) dwarf2_append_unwinders (gdbarch); set_gdbarch_write_pc (gdbarch, sparc_linux_write_pc); + + /* Functions for 'catch syscall'. */ + set_xml_syscall_file_name (XML_SYSCALL_FILENAME_SPARC32); + set_gdbarch_get_syscall_number (gdbarch, + sparc32_linux_get_syscall_number); } /* Provide a prototype to silence -Wmissing-prototypes. */ |