diff options
Diffstat (limited to 'gdb/i386-gnu-tdep.c')
| -rw-r--r-- | gdb/i386-gnu-tdep.c | 112 |
1 files changed, 55 insertions, 57 deletions
diff --git a/gdb/i386-gnu-tdep.c b/gdb/i386-gnu-tdep.c index ff212f8..292b96b 100644 --- a/gdb/i386-gnu-tdep.c +++ b/gdb/i386-gnu-tdep.c @@ -31,26 +31,25 @@ If the trampoline function name can not be identified, we resort to reading memory from the process in order to identify it. */ -static const gdb_byte gnu_sigtramp_code[] = -{ -/* rpc_wait_trampoline: */ - 0xb8, 0xe7, 0xff, 0xff, 0xff, /* mov $-25,%eax */ - 0x9a, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, /* lcall $7,$0 */ - 0x89, 0x01, /* movl %eax, (%ecx) */ - 0x89, 0xdc, /* movl %ebx, %esp */ - -/* trampoline: */ - 0xff, 0xd2, /* call *%edx */ -/* RA HERE */ - 0x83, 0xc4, 0x0c, /* addl $12, %esp */ - 0xc3, /* ret */ - -/* firewall: */ - 0xf4, /* hlt */ +static const gdb_byte gnu_sigtramp_code[] = { + /* rpc_wait_trampoline: */ + 0xb8, 0xe7, 0xff, 0xff, 0xff, /* mov $-25,%eax */ + 0x9a, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, /* lcall $7,$0 */ + 0x89, 0x01, /* movl %eax, (%ecx) */ + 0x89, 0xdc, /* movl %ebx, %esp */ + + /* trampoline: */ + 0xff, 0xd2, /* call *%edx */ + /* RA HERE */ + 0x83, 0xc4, 0x0c, /* addl $12, %esp */ + 0xc3, /* ret */ + + /* firewall: */ + 0xf4, /* hlt */ }; #define GNU_SIGTRAMP_LEN (sizeof gnu_sigtramp_code) -#define GNU_SIGTRAMP_TAIL 5 /* length of tail after RA */ +#define GNU_SIGTRAMP_TAIL 5 /* length of tail after RA */ /* If THIS_FRAME is a sigtramp routine, return the address of the start of the routine. Otherwise, return 0. */ @@ -120,7 +119,7 @@ i386_gnu_sigcontext_addr (frame_info_ptr this_frame) return sigcontext_addr + I386_GNU_SIGCONTEXT_THREAD_STATE_OFFSET; } - error (_("Couldn't recognize signal trampoline.")); + error (_ ("Couldn't recognize signal trampoline.")); return 0; } @@ -129,45 +128,43 @@ i386_gnu_sigcontext_addr (frame_info_ptr this_frame) and GDB's register cache layout. */ /* From <bits/sigcontext.h>. */ -static int i386_gnu_sc_reg_offset[] = -{ - 11 * 4, /* %eax */ - 10 * 4, /* %ecx */ - 9 * 4, /* %edx */ - 8 * 4, /* %ebx */ - 7 * 4, /* %esp */ - 6 * 4, /* %ebp */ - 5 * 4, /* %esi */ - 4 * 4, /* %edi */ - 12 * 4, /* %eip */ - 14 * 4, /* %eflags */ - 13 * 4, /* %cs */ - 16 * 4, /* %ss */ - 3 * 4, /* %ds */ - 2 * 4, /* %es */ - 1 * 4, /* %fs */ - 0 * 4 /* %gs */ +static int i386_gnu_sc_reg_offset[] = { + 11 * 4, /* %eax */ + 10 * 4, /* %ecx */ + 9 * 4, /* %edx */ + 8 * 4, /* %ebx */ + 7 * 4, /* %esp */ + 6 * 4, /* %ebp */ + 5 * 4, /* %esi */ + 4 * 4, /* %edi */ + 12 * 4, /* %eip */ + 14 * 4, /* %eflags */ + 13 * 4, /* %cs */ + 16 * 4, /* %ss */ + 3 * 4, /* %ds */ + 2 * 4, /* %es */ + 1 * 4, /* %fs */ + 0 * 4 /* %gs */ }; /* From <sys/ucontext.h>. */ -static int i386gnu_gregset_reg_offset[] = -{ - 11 * 4, /* %eax */ - 10 * 4, /* %ecx */ - 9 * 4, /* %edx */ - 8 * 4, /* %ebx */ - 17 * 4, /* %uesp */ - 6 * 4, /* %ebp */ - 5 * 4, /* %esi */ - 4 * 4, /* %edi */ - 14 * 4, /* %eip */ - 16 * 4, /* %efl */ - 15 * 4, /* %cs */ - 18 * 4, /* %ss */ - 3 * 4, /* %ds */ - 2 * 4, /* %es */ - 1 * 4, /* %fs */ - 0 * 4, /* %gs */ +static int i386gnu_gregset_reg_offset[] = { + 11 * 4, /* %eax */ + 10 * 4, /* %ecx */ + 9 * 4, /* %edx */ + 8 * 4, /* %ebx */ + 17 * 4, /* %uesp */ + 6 * 4, /* %ebp */ + 5 * 4, /* %esi */ + 4 * 4, /* %edi */ + 14 * 4, /* %eip */ + 16 * 4, /* %efl */ + 15 * 4, /* %cs */ + 18 * 4, /* %ss */ + 3 * 4, /* %ds */ + 2 * 4, /* %es */ + 1 * 4, /* %fs */ + 0 * 4, /* %gs */ }; static void @@ -178,14 +175,14 @@ i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* GNU uses ELF. */ i386_elf_init_abi (info, gdbarch); - set_solib_svr4_fetch_link_map_offsets - (gdbarch, svr4_ilp32_fetch_link_map_offsets); + set_solib_svr4_fetch_link_map_offsets (gdbarch, + svr4_ilp32_fetch_link_map_offsets); tdep->gregset_reg_offset = i386gnu_gregset_reg_offset; tdep->gregset_num_regs = ARRAY_SIZE (i386gnu_gregset_reg_offset); tdep->sizeof_gregset = 19 * 4; - tdep->jb_pc_offset = 20; /* From <bits/setjmp.h>. */ + tdep->jb_pc_offset = 20; /* From <bits/setjmp.h>. */ tdep->sigtramp_p = i386_gnu_sigtramp_p; tdep->sigcontext_addr = i386_gnu_sigcontext_addr; @@ -194,6 +191,7 @@ i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) } void _initialize_i386gnu_tdep (); + void _initialize_i386gnu_tdep () { |