diff options
Diffstat (limited to 'gdb/i386-tdep.c')
-rw-r--r-- | gdb/i386-tdep.c | 90 |
1 files changed, 84 insertions, 6 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index b706463..db4cd0a 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -3419,9 +3419,6 @@ i386_pseudo_register_read_into_value (struct gdbarch *gdbarch, } else if (i386_byte_regnum_p (gdbarch, regnum)) { - /* Check byte pseudo registers last since this function will - be called from amd64_pseudo_register_read, which handles - byte pseudo registers differently. */ int gpnum = regnum - tdep->al_regnum; /* Extract (always little endian). We read both lower and @@ -3584,9 +3581,6 @@ i386_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, } else if (i386_byte_regnum_p (gdbarch, regnum)) { - /* Check byte pseudo registers last since this function will - be called from amd64_pseudo_register_read, which handles - byte pseudo registers differently. */ int gpnum = regnum - tdep->al_regnum; /* Read ... We read both lower and upper registers. */ @@ -3603,6 +3597,88 @@ i386_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, internal_error (__FILE__, __LINE__, _("invalid regnum")); } } + +/* Implement the 'ax_pseudo_register_collect' gdbarch method. */ + +int +i386_ax_pseudo_register_collect (struct gdbarch *gdbarch, + struct agent_expr *ax, int regnum) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + if (i386_mmx_regnum_p (gdbarch, regnum)) + { + /* MMX to FPU register mapping depends on current TOS. Let's just + not care and collect everything... */ + int i; + + ax_reg_mask (ax, I387_FSTAT_REGNUM (tdep)); + for (i = 0; i < 8; i++) + ax_reg_mask (ax, I387_ST0_REGNUM (tdep) + i); + return 0; + } + else if (i386_bnd_regnum_p (gdbarch, regnum)) + { + regnum -= tdep->bnd0_regnum; + ax_reg_mask (ax, I387_BND0R_REGNUM (tdep) + regnum); + return 0; + } + else if (i386_k_regnum_p (gdbarch, regnum)) + { + regnum -= tdep->k0_regnum; + ax_reg_mask (ax, tdep->k0_regnum + regnum); + return 0; + } + else if (i386_zmm_regnum_p (gdbarch, regnum)) + { + regnum -= tdep->zmm0_regnum; + if (regnum < num_lower_zmm_regs) + { + ax_reg_mask (ax, I387_XMM0_REGNUM (tdep) + regnum); + ax_reg_mask (ax, tdep->ymm0h_regnum + regnum); + } + else + { + ax_reg_mask (ax, I387_XMM16_REGNUM (tdep) + regnum + - num_lower_zmm_regs); + ax_reg_mask (ax, I387_YMM16H_REGNUM (tdep) + regnum + - num_lower_zmm_regs); + } + ax_reg_mask (ax, tdep->zmm0h_regnum + regnum); + return 0; + } + else if (i386_ymm_regnum_p (gdbarch, regnum)) + { + regnum -= tdep->ymm0_regnum; + ax_reg_mask (ax, I387_XMM0_REGNUM (tdep) + regnum); + ax_reg_mask (ax, tdep->ymm0h_regnum + regnum); + return 0; + } + else if (i386_ymm_avx512_regnum_p (gdbarch, regnum)) + { + regnum -= tdep->ymm16_regnum; + ax_reg_mask (ax, I387_XMM16_REGNUM (tdep) + regnum); + ax_reg_mask (ax, tdep->ymm16h_regnum + regnum); + return 0; + } + else if (i386_word_regnum_p (gdbarch, regnum)) + { + int gpnum = regnum - tdep->ax_regnum; + + ax_reg_mask (ax, gpnum); + return 0; + } + else if (i386_byte_regnum_p (gdbarch, regnum)) + { + int gpnum = regnum - tdep->al_regnum; + + ax_reg_mask (ax, gpnum % 4); + return 0; + } + else + internal_error (__FILE__, __LINE__, _("invalid regnum")); + return 1; +} /* Return the register number of the register allocated by GCC after @@ -8423,6 +8499,8 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_pseudo_register_read_value (gdbarch, i386_pseudo_register_read_value); set_gdbarch_pseudo_register_write (gdbarch, i386_pseudo_register_write); + set_gdbarch_ax_pseudo_register_collect (gdbarch, + i386_ax_pseudo_register_collect); set_tdesc_pseudo_register_type (gdbarch, i386_pseudo_register_type); set_tdesc_pseudo_register_name (gdbarch, i386_pseudo_register_name); |