diff options
Diffstat (limited to 'gdb/i386-netbsd-tdep.c')
-rw-r--r-- | gdb/i386-netbsd-tdep.c | 545 |
1 files changed, 261 insertions, 284 deletions
diff --git a/gdb/i386-netbsd-tdep.c b/gdb/i386-netbsd-tdep.c index 649785e..355cb71 100644 --- a/gdb/i386-netbsd-tdep.c +++ b/gdb/i386-netbsd-tdep.c @@ -34,66 +34,63 @@ #include "solib-svr4.h" /* From <machine/reg.h>. */ -static int i386nbsd_r_reg_offset[] = -{ - 0 * 4, /* %eax */ - 1 * 4, /* %ecx */ - 2 * 4, /* %edx */ - 3 * 4, /* %ebx */ - 4 * 4, /* %esp */ - 5 * 4, /* %ebp */ - 6 * 4, /* %esi */ - 7 * 4, /* %edi */ - 8 * 4, /* %eip */ - 9 * 4, /* %eflags */ - 10 * 4, /* %cs */ - 11 * 4, /* %ss */ - 12 * 4, /* %ds */ - 13 * 4, /* %es */ - 14 * 4, /* %fs */ - 15 * 4 /* %gs */ +static int i386nbsd_r_reg_offset[] = { + 0 * 4, /* %eax */ + 1 * 4, /* %ecx */ + 2 * 4, /* %edx */ + 3 * 4, /* %ebx */ + 4 * 4, /* %esp */ + 5 * 4, /* %ebp */ + 6 * 4, /* %esi */ + 7 * 4, /* %edi */ + 8 * 4, /* %eip */ + 9 * 4, /* %eflags */ + 10 * 4, /* %cs */ + 11 * 4, /* %ss */ + 12 * 4, /* %ds */ + 13 * 4, /* %es */ + 14 * 4, /* %fs */ + 15 * 4 /* %gs */ }; /* From <machine/signal.h>. */ -static int i386nbsd_sc_reg_offset[] = -{ - 10 * 4, /* %eax */ - 9 * 4, /* %ecx */ - 8 * 4, /* %edx */ - 7 * 4, /* %ebx */ - 14 * 4, /* %esp */ - 6 * 4, /* %ebp */ - 5 * 4, /* %esi */ - 4 * 4, /* %edi */ - 11 * 4, /* %eip */ - 13 * 4, /* %eflags */ - 12 * 4, /* %cs */ - 15 * 4, /* %ss */ - 3 * 4, /* %ds */ - 2 * 4, /* %es */ - 1 * 4, /* %fs */ - 0 * 4 /* %gs */ +static int i386nbsd_sc_reg_offset[] = { + 10 * 4, /* %eax */ + 9 * 4, /* %ecx */ + 8 * 4, /* %edx */ + 7 * 4, /* %ebx */ + 14 * 4, /* %esp */ + 6 * 4, /* %ebp */ + 5 * 4, /* %esi */ + 4 * 4, /* %edi */ + 11 * 4, /* %eip */ + 13 * 4, /* %eflags */ + 12 * 4, /* %cs */ + 15 * 4, /* %ss */ + 3 * 4, /* %ds */ + 2 * 4, /* %es */ + 1 * 4, /* %fs */ + 0 * 4 /* %gs */ }; /* From <machine/mcontext.h>. */ -static int i386nbsd_mc_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 */ - 14 * 4, /* %eip */ - 16 * 4, /* %eflags */ - 15 * 4, /* %cs */ - 18 * 4, /* %ss */ - 3 * 4, /* %ds */ - 2 * 4, /* %es */ - 1 * 4, /* %fs */ - 0 * 4 /* %gs */ +static int i386nbsd_mc_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 */ + 14 * 4, /* %eip */ + 16 * 4, /* %eflags */ + 15 * 4, /* %cs */ + 18 * 4, /* %ss */ + 3 * 4, /* %ds */ + 2 * 4, /* %es */ + 1 * 4, /* %fs */ + 0 * 4 /* %gs */ }; static void i386nbsd_sigtramp_cache_init (const struct tramp_frame *, @@ -101,231 +98,211 @@ static void i386nbsd_sigtramp_cache_init (const struct tramp_frame *, struct trad_frame_cache *, CORE_ADDR); -static const struct tramp_frame i386nbsd_sigtramp_sc16 = -{ - SIGTRAMP_FRAME, - 1, - { - /* leal 0x10(%esp), %eax */ - { 0x8d, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x10, ULONGEST_MAX }, - - /* pushl %eax */ - { 0x50, ULONGEST_MAX }, - - /* pushl %eax */ - { 0x50, ULONGEST_MAX }, - - /* movl $0x127, %eax # __sigreturn14 */ - { 0xb8, ULONGEST_MAX }, - { 0x27, ULONGEST_MAX }, - {0x01, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - - /* movl $0x1, %eax # exit */ - { 0xb8, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - i386nbsd_sigtramp_cache_init -}; - -static const struct tramp_frame i386nbsd_sigtramp_sc2 = -{ - SIGTRAMP_FRAME, - 1, - { - /* leal 0x0c(%esp), %eax */ - { 0x8d, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x0c, ULONGEST_MAX }, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x127, %eax # __sigreturn14 */ - { 0xb8, ULONGEST_MAX }, - { 0x27, ULONGEST_MAX }, - {0x01, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x1, %eax */ - { 0xb8, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - i386nbsd_sigtramp_cache_init -}; - -static const struct tramp_frame i386nbsd_sigtramp_si2 = -{ - SIGTRAMP_FRAME, - 1, - { - /* movl 8(%esp),%eax */ - { 0x8b, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x08, ULONGEST_MAX }, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x134, %eax # setcontext */ - { 0xb8, ULONGEST_MAX }, - { 0x34, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX }, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x1, %eax */ - { 0xb8, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX }, - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - i386nbsd_sigtramp_cache_init -}; - -static const struct tramp_frame i386nbsd_sigtramp_si31 = -{ - SIGTRAMP_FRAME, - 1, - { - /* leal 0x8c(%esp), %eax */ - { 0x8d, ULONGEST_MAX }, - { 0x84, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x8c, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x134, %eax # setcontext */ - { 0xb8, ULONGEST_MAX }, - { 0x34, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x1, %eax */ - { 0xb8, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - i386nbsd_sigtramp_cache_init -}; - -static const struct tramp_frame i386nbsd_sigtramp_si4 = -{ - SIGTRAMP_FRAME, - 1, - { - /* leal 0x8c(%esp), %eax */ - { 0x8d, ULONGEST_MAX }, - { 0x84, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x8c, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - /* movl %eax, 0x4(%esp) */ - { 0x89, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - /* movl $0x134, %eax # setcontext */ - { 0xb8, ULONGEST_MAX }, - { 0x34, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - { 0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - /* movl $0xffffffff,0x4(%esp) */ - { 0xc7, ULONGEST_MAX }, - { 0x44, ULONGEST_MAX }, - { 0x24, ULONGEST_MAX }, - { 0x04, ULONGEST_MAX }, - { 0xff, ULONGEST_MAX }, - { 0xff, ULONGEST_MAX }, - { 0xff, ULONGEST_MAX }, - { 0xff, ULONGEST_MAX }, - /* movl $0x1, %eax */ - { 0xb8, ULONGEST_MAX }, - { 0x01, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - {0x00, ULONGEST_MAX }, - /* int $0x80 */ - { 0xcd, ULONGEST_MAX }, - { 0x80, ULONGEST_MAX}, - { TRAMP_SENTINEL_INSN, ULONGEST_MAX } - }, - i386nbsd_sigtramp_cache_init -}; +static const struct tramp_frame i386nbsd_sigtramp_sc16 + = { SIGTRAMP_FRAME, + 1, + { /* leal 0x10(%esp), %eax */ + { 0x8d, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x10, ULONGEST_MAX }, + + /* pushl %eax */ + { 0x50, ULONGEST_MAX }, + + /* pushl %eax */ + { 0x50, ULONGEST_MAX }, + + /* movl $0x127, %eax # __sigreturn14 */ + { 0xb8, ULONGEST_MAX }, + { 0x27, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + + /* movl $0x1, %eax # exit */ + { 0xb8, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + i386nbsd_sigtramp_cache_init }; + +static const struct tramp_frame i386nbsd_sigtramp_sc2 + = { SIGTRAMP_FRAME, + 1, + { /* leal 0x0c(%esp), %eax */ + { 0x8d, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x0c, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x127, %eax # __sigreturn14 */ + { 0xb8, ULONGEST_MAX }, + { 0x27, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x1, %eax */ + { 0xb8, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + i386nbsd_sigtramp_cache_init }; + +static const struct tramp_frame i386nbsd_sigtramp_si2 + = { SIGTRAMP_FRAME, + 1, + { /* movl 8(%esp),%eax */ + { 0x8b, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x08, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x134, %eax # setcontext */ + { 0xb8, ULONGEST_MAX }, + { 0x34, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x1, %eax */ + { 0xb8, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + i386nbsd_sigtramp_cache_init }; + +static const struct tramp_frame i386nbsd_sigtramp_si31 + = { SIGTRAMP_FRAME, + 1, + { /* leal 0x8c(%esp), %eax */ + { 0x8d, ULONGEST_MAX }, + { 0x84, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x8c, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x134, %eax # setcontext */ + { 0xb8, ULONGEST_MAX }, + { 0x34, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x1, %eax */ + { 0xb8, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + i386nbsd_sigtramp_cache_init }; + +static const struct tramp_frame i386nbsd_sigtramp_si4 + = { SIGTRAMP_FRAME, + 1, + { /* leal 0x8c(%esp), %eax */ + { 0x8d, ULONGEST_MAX }, + { 0x84, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x8c, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* movl %eax, 0x4(%esp) */ + { 0x89, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + /* movl $0x134, %eax # setcontext */ + { 0xb8, ULONGEST_MAX }, + { 0x34, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + /* movl $0xffffffff,0x4(%esp) */ + { 0xc7, ULONGEST_MAX }, + { 0x44, ULONGEST_MAX }, + { 0x24, ULONGEST_MAX }, + { 0x04, ULONGEST_MAX }, + { 0xff, ULONGEST_MAX }, + { 0xff, ULONGEST_MAX }, + { 0xff, ULONGEST_MAX }, + { 0xff, ULONGEST_MAX }, + /* movl $0x1, %eax */ + { 0xb8, ULONGEST_MAX }, + { 0x01, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + { 0x00, ULONGEST_MAX }, + /* int $0x80 */ + { 0xcd, ULONGEST_MAX }, + { 0x80, ULONGEST_MAX }, + { TRAMP_SENTINEL_INSN, ULONGEST_MAX } }, + i386nbsd_sigtramp_cache_init }; static void i386nbsd_sigtramp_cache_init (const struct tramp_frame *self, @@ -367,9 +344,8 @@ i386nbsd_sigtramp_cache_init (const struct tramp_frame *self, /* Construct the frame ID using the function start. */ trad_frame_set_id (this_cache, frame_id_build (sp, func)); } - -static void +static void i386nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); @@ -388,7 +364,7 @@ i386nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tdep->struct_return = reg_struct_return; /* NetBSD uses tramp_frame sniffers for signal trampolines. */ - tdep->sigcontext_addr= 0; + tdep->sigcontext_addr = 0; tdep->sigtramp_start = 0; tdep->sigtramp_end = 0; tdep->sigtramp_p = 0; @@ -416,14 +392,15 @@ i386nbsdelf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) i386_elf_init_abi (info, gdbarch); /* NetBSD ELF uses SVR4-style shared libraries. */ - 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); /* NetBSD ELF uses -fpcc-struct-return by default. */ tdep->struct_return = pcc_struct_return; } void _initialize_i386nbsd_tdep (); + void _initialize_i386nbsd_tdep () { |