2004-11-12 Kei Sakamoto <sakamoto.kei@renesas.com>
* Makefile.in (m32r-linux-tdep.o): Update dependencies. * m32r-linux-tdep.c (m32r_linux_init_abi): Call set_gdbarch_regset_from_core_section for core file support. (m32r_linux_supply_gregset, m32r_linux_regset_from_core_section): New functions.
This commit is contained in:
Kazuhiro Inaoka
parent
a71f8c301e
commit
9b098f24af
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@ -1,3 +1,11 @@
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2004-11-12 Kei Sakamoto <sakamoto.kei@renesas.com>
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* Makefile.in (m32r-linux-tdep.o): Update dependencies.
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* m32r-linux-tdep.c (m32r_linux_init_abi): Call
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set_gdbarch_regset_from_core_section for core file support.
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(m32r_linux_supply_gregset, m32r_linux_regset_from_core_section):
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New functions.
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2004-11-11 Randolph Chung <tausq@debian.org>
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* hppa-tdep.c (skip_prologue_hard_way): Make static, add
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@ -2157,7 +2157,7 @@ m32r-linux-nat.o: m32r-linux-nat.c $(defs_h) $(inferior_h) $(gdbcore_h) \
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m32r-linux-tdep.o: m32r-linux-tdep.c $(defs_h) $(gdbcore_h) $(frame_h) \
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$(value_h) $(regcache_h) $(inferior_h) $(osabi_h) $(reggroups_h) \
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$(gdb_string_h) $(glibc_tdep_h) $(solib_svr4_h) $(trad_frame_h) \
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$(frame_unwind_h) $(m32r_tdep_h)
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$(frame_unwind_h) $(regset_h) $(m32r_tdep_h)
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m32r-rom.o: m32r-rom.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \
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$(serial_h) $(symtab_h) $(command_h) $(gdbcmd_h) $(symfile_h) \
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$(gdb_string_h) $(objfiles_h) $(inferior_h) $(regcache_h)
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@ -27,6 +27,7 @@
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#include "inferior.h"
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#include "osabi.h"
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#include "reggroups.h"
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#include "regset.h"
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#include "gdb_string.h"
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@ -309,6 +310,97 @@ m32r_linux_sigtramp_frame_sniffer (struct frame_info *next_frame)
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return NULL;
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}
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/* Mapping between the registers in `struct pt_regs'
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format and GDB's register array layout. */
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static int m32r_pt_regs_offset[] = {
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4 * 4, /* r0 */
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4 * 5, /* r1 */
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4 * 6, /* r2 */
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4 * 7, /* r3 */
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4 * 0, /* r4 */
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4 * 1, /* r5 */
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4 * 2, /* r6 */
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4 * 8, /* r7 */
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4 * 9, /* r8 */
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4 * 10, /* r9 */
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4 * 11, /* r10 */
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4 * 12, /* r11 */
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4 * 13, /* r12 */
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4 * 24, /* fp */
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4 * 25, /* lr */
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4 * 23, /* sp */
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4 * 19, /* psw */
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4 * 19, /* cbr */
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4 * 26, /* spi */
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4 * 23, /* spu */
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4 * 22, /* bpc */
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4 * 20, /* pc */
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4 * 16, /* accl */
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4 * 15 /* acch */
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};
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#define PSW_OFFSET (4 * 19)
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#define BBPSW_OFFSET (4 * 21)
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#define SPU_OFFSET (4 * 23)
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#define SPI_OFFSET (4 * 26)
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static void
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m32r_linux_supply_gregset (const struct regset *regset,
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struct regcache *regcache, int regnum,
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const void *gregs, size_t size)
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{
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const char *regs = gregs;
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unsigned long psw, bbpsw;
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int i;
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psw = *((unsigned long *) (regs + PSW_OFFSET));
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bbpsw = *((unsigned long *) (regs + BBPSW_OFFSET));
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for (i = 0; i < sizeof (m32r_pt_regs_offset) / 4; i++)
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{
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if (regnum != -1 && regnum != i)
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continue;
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switch (i)
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{
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case PSW_REGNUM:
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*((unsigned long *) (regs + m32r_pt_regs_offset[i])) =
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((0x00c1 & bbpsw) << 8) | ((0xc100 & psw) >> 8);
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break;
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case CBR_REGNUM:
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*((unsigned long *) (regs + m32r_pt_regs_offset[i])) =
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((psw >> 8) & 1);
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break;
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case M32R_SP_REGNUM:
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if (psw & 0x8000)
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*((unsigned long *) (regs + m32r_pt_regs_offset[i])) =
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*((unsigned long *) (regs + SPU_OFFSET));
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else
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*((unsigned long *) (regs + m32r_pt_regs_offset[i])) =
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*((unsigned long *) (regs + SPI_OFFSET));
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break;
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}
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regcache_raw_supply (current_regcache, i,
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regs + m32r_pt_regs_offset[i]);
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}
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}
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static struct regset m32r_linux_gregset = {
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NULL, m32r_linux_supply_gregset
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};
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static const struct regset *
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m32r_linux_regset_from_core_section (struct gdbarch *core_arch,
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const char *sect_name, size_t sect_size)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (core_arch);
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if (strcmp (sect_name, ".reg") == 0)
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return &m32r_linux_gregset;
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return NULL;
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}
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static void
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m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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@ -323,6 +415,10 @@ m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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/* GNU/Linux uses SVR4-style shared libraries. */
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_ilp32_fetch_link_map_offsets);
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/* Core file support. */
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set_gdbarch_regset_from_core_section
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(gdbarch, m32r_linux_regset_from_core_section);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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