From ff7a4c00e04ec3cd412da0a239852ca928afe02e Mon Sep 17 00:00:00 2001 From: Maxim Grigoriev Date: Thu, 15 Feb 2007 19:51:59 +0000 Subject: [PATCH] * xtensa-tdep.h (xtensa_reg_mask_t): New. (xtensa_mask_t): Change mask field to be a separate array. * xtensa-tdep.c (extract_call_winsize, xtensa_pseudo_register_read) (xtensa_pseudo_register_write, xtensa_unwind_pc) (xtensa_unwind_dummy_id, xtensa_push_dummy_call) (xtensa_breakpoint_from_pc): Remove implicit type casting. * xtensa-config.c (mask0, mask1, mask2, mask3, mask4, mask5) (mask6, mask7, mask8, mask9, mask10, mask11, mask12, mask13) (mask14, mask15): Rename to (xtensa_mask0, xtensa_mask1, xtensa_mask2, xtensa_mask3) (xtensa_mask4, xtensa_mask5, xtensa_mask6, xtensa_mask7) (xtensa_mask8, xtensa_mask9, xtensa_mask10, xtensa_mask11) (xtensa_mask12, xtensa_mask13, xtensa_mask14, xtensa_mask15): this. (xtensa_submask0, xtensa_submask1, xtensa_submask2, xtensa_submask3) (xtensa_submask4, xtensa_submask5, xtensa_submask6, xtensa_submask7) (xtensa_submask8, xtensa_submask9, xtensa_submask10) (xtensa_submask11, xtensa_submask12, xtensa_submask13) (xtensa_submask14, xtensa_submask15): New. (rmap): Follow strict aliasing rules doing static initialization. --- gdb/ChangeLog | 22 +++++++++++++++ gdb/xtensa-config.c | 80 ++++++++++++++++++++++++++++++++--------------------- gdb/xtensa-tdep.c | 20 +++++++------- gdb/xtensa-tdep.h | 14 ++++++---- 4 files changed, 88 insertions(+), 48 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 2e4ed22..e6f6654 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,25 @@ +2007-02-15 Maxim Grigoriev + + * xtensa-tdep.h (xtensa_reg_mask_t): New. + (xtensa_mask_t): Change mask field to be a separate array. + * xtensa-tdep.c (extract_call_winsize, xtensa_pseudo_register_read) + (xtensa_pseudo_register_write, xtensa_unwind_pc) + (xtensa_unwind_dummy_id, xtensa_push_dummy_call) + (xtensa_breakpoint_from_pc): Remove implicit type casting. + * xtensa-config.c (mask0, mask1, mask2, mask3, mask4, mask5) + (mask6, mask7, mask8, mask9, mask10, mask11, mask12, mask13) + (mask14, mask15): Rename to + (xtensa_mask0, xtensa_mask1, xtensa_mask2, xtensa_mask3) + (xtensa_mask4, xtensa_mask5, xtensa_mask6, xtensa_mask7) + (xtensa_mask8, xtensa_mask9, xtensa_mask10, xtensa_mask11) + (xtensa_mask12, xtensa_mask13, xtensa_mask14, xtensa_mask15): this. + (xtensa_submask0, xtensa_submask1, xtensa_submask2, xtensa_submask3) + (xtensa_submask4, xtensa_submask5, xtensa_submask6, xtensa_submask7) + (xtensa_submask8, xtensa_submask9, xtensa_submask10) + (xtensa_submask11, xtensa_submask12, xtensa_submask13) + (xtensa_submask14, xtensa_submask15): New. + (rmap): Follow strict aliasing rules doing static initialization. + 2007-02-13 Daniel Jacobowitz * target-descriptions.c (tdesc_named_type): Move code_ptr and data_ptr diff --git a/gdb/xtensa-config.c b/gdb/xtensa-config.c index 58beaab..efb63f2 100644 --- a/gdb/xtensa-config.c +++ b/gdb/xtensa-config.c @@ -56,22 +56,38 @@ xtensa_config_tdep (struct gdbarch_info *info) /* Masked registers. */ -const int mask0[] = { 1, 96, 0, 4 }; -const int mask1[] = { 1, 96, 5, 1 }; -const int mask2[] = { 1, 96, 18, 1 }; -const int mask3[] = { 1, 96, 6, 2 }; -const int mask4[] = { 1, 96, 4, 1 }; -const int mask5[] = { 1, 96, 16, 2 }; -const int mask6[] = { 1, 96, 8, 4 }; -const int mask7[] = { 1, 95, 12, 20 }; -const int mask8[] = { 1, 95, 0, 1 }; -const int mask9[] = { 1, 108, 8, 4 }; -const int mask10[] = { 1, 109, 24, 8 }; -const int mask11[] = { 1, 109, 16, 8 }; -const int mask12[] = { 1, 109, 8, 8 }; -const int mask13[] = { 1, 110, 16, 2 }; -const int mask14[] = { 1, 111, 16, 2 }; -const int mask15[] = { 1, 67, 22, 10 }; +xtensa_reg_mask_t xtensa_submask0[] = { { 96, 0, 4 } }; +const xtensa_mask_t xtensa_mask0 = { 1, xtensa_submask0 }; +xtensa_reg_mask_t xtensa_submask1[] = { { 96, 5, 1 } }; +const xtensa_mask_t xtensa_mask1 = { 1, xtensa_submask1 }; +xtensa_reg_mask_t xtensa_submask2[] = { { 96, 18, 1 } }; +const xtensa_mask_t xtensa_mask2 = { 1, xtensa_submask2 }; +xtensa_reg_mask_t xtensa_submask3[] = { { 96, 6, 2 } }; +const xtensa_mask_t xtensa_mask3 = { 1, xtensa_submask3 }; +xtensa_reg_mask_t xtensa_submask4[] = { { 96, 4, 1 } }; +const xtensa_mask_t xtensa_mask4 = { 1, xtensa_submask4 }; +xtensa_reg_mask_t xtensa_submask5[] = { { 96, 16, 2 } }; +const xtensa_mask_t xtensa_mask5 = { 1, xtensa_submask5 }; +xtensa_reg_mask_t xtensa_submask6[] = { { 96, 8, 4 } }; +const xtensa_mask_t xtensa_mask6 = { 1, xtensa_submask6 }; +xtensa_reg_mask_t xtensa_submask7[] = { { 95, 12, 20 } }; +const xtensa_mask_t xtensa_mask7 = { 1, xtensa_submask7 }; +xtensa_reg_mask_t xtensa_submask8[] = { { 95, 0, 1 } }; +const xtensa_mask_t xtensa_mask8 = { 1, xtensa_submask8 }; +xtensa_reg_mask_t xtensa_submask9[] = { { 108, 8, 4 } }; +const xtensa_mask_t xtensa_mask9 = { 1, xtensa_submask9 }; +xtensa_reg_mask_t xtensa_submask10[] = { { 109, 24, 8 } }; +const xtensa_mask_t xtensa_mask10 = { 1, xtensa_submask10 }; +xtensa_reg_mask_t xtensa_submask11[] = { { 109, 16, 8 } }; +const xtensa_mask_t xtensa_mask11 = { 1, xtensa_submask11 }; +xtensa_reg_mask_t xtensa_submask12[] = { { 109, 8, 8 } }; +const xtensa_mask_t xtensa_mask12 = { 1, xtensa_submask12 }; +xtensa_reg_mask_t xtensa_submask13[] = { { 110, 16, 2 } }; +const xtensa_mask_t xtensa_mask13 = { 1, xtensa_submask13 }; +xtensa_reg_mask_t xtensa_submask14[] = { { 111, 16, 2 } }; +const xtensa_mask_t xtensa_mask14 = { 1, xtensa_submask14 }; +xtensa_reg_mask_t xtensa_submask15[] = { { 67, 22, 10 } }; +const xtensa_mask_t xtensa_mask15 = { 1, xtensa_submask15 }; /* Register map. */ @@ -468,52 +484,52 @@ xtensa_register_t rmap[] = 32, 4, 4, 0x0000000f, 0x0006, 0, 0, 0 }, { /* 0130 */ "psintlevel", 520, xtRegisterTypeMapped, 0x1010, 0, - 4, 4, 4, 0x00002004, 0x0006, (xtensa_mask_t *) mask0, + 4, 4, 4, 0x00002004, 0x0006, &xtensa_mask0, 0, 0 }, { /* 0131 */ "psum", 524, xtRegisterTypeMapped, 0x1010, 0, - 1, 4, 4, 0x00002005, 0x0006, (xtensa_mask_t *) mask1, + 1, 4, 4, 0x00002005, 0x0006, &xtensa_mask1, 0, 0 }, { /* 0132 */ "pswoe", 528, xtRegisterTypeMapped, 0x1010, 0, - 1, 4, 4, 0x00002006, 0x0006, (xtensa_mask_t *) mask2, + 1, 4, 4, 0x00002006, 0x0006, &xtensa_mask2, 0, 0 }, { /* 0133 */ "psring", 532, xtRegisterTypeMapped, 0x1010, 0, - 2, 4, 4, 0x00002007, 0x0006, (xtensa_mask_t *) mask3, + 2, 4, 4, 0x00002007, 0x0006, &xtensa_mask3, 0, 0 }, { /* 0134 */ "psexcm", 536, xtRegisterTypeMapped, 0x1010, 0, - 1, 4, 4, 0x00002008, 0x0006, (xtensa_mask_t *) mask4, + 1, 4, 4, 0x00002008, 0x0006, &xtensa_mask4, 0, 0 }, { /* 0135 */ "pscallinc", 540, xtRegisterTypeMapped, 0x1010, 0, - 2, 4, 4, 0x00002009, 0x0006, (xtensa_mask_t *) mask5, + 2, 4, 4, 0x00002009, 0x0006, &xtensa_mask5, 0, 0 }, { /* 0136 */ "psowb", 544, xtRegisterTypeMapped, 0x1010, 0, - 4, 4, 4, 0x0000200a, 0x0006, (xtensa_mask_t *) mask6, + 4, 4, 4, 0x0000200a, 0x0006, &xtensa_mask6, 0, 0 }, { /* 0137 */ "litbaddr", 548, xtRegisterTypeMapped, 0x1010, 0, - 20, 4, 4, 0x0000200b, 0x0006, (xtensa_mask_t *) mask7, + 20, 4, 4, 0x0000200b, 0x0006, &xtensa_mask7, 0, 0 }, { /* 0138 */ "litben", 552, xtRegisterTypeMapped, 0x1010, 0, - 1, 4, 4, 0x0000200c, 0x0006, (xtensa_mask_t *) mask8, + 1, 4, 4, 0x0000200c, 0x0006, &xtensa_mask8, 0, 0 }, { /* 0139 */ "dbnum", 556, xtRegisterTypeMapped, 0x1010, 0, - 4, 4, 4, 0x00002011, 0x0006, (xtensa_mask_t *) mask9, + 4, 4, 4, 0x00002011, 0x0006, &xtensa_mask9, 0, 0 }, { /* 0140 */ "asid3", 560, xtRegisterTypeMapped, 0x1010, 0, - 8, 4, 4, 0x00002012, 0x0006, (xtensa_mask_t *) mask10, + 8, 4, 4, 0x00002012, 0x0006, &xtensa_mask10, 0, 0 }, { /* 0141 */ "asid2", 564, xtRegisterTypeMapped, 0x1010, 0, - 8, 4, 4, 0x00002013, 0x0006, (xtensa_mask_t *) mask11, + 8, 4, 4, 0x00002013, 0x0006, &xtensa_mask11, 0, 0 }, { /* 0142 */ "asid1", 568, xtRegisterTypeMapped, 0x1010, 0, - 8, 4, 4, 0x00002014, 0x0006, (xtensa_mask_t *) mask12, + 8, 4, 4, 0x00002014, 0x0006, &xtensa_mask12, 0, 0 }, { /* 0143 */ "instpgszid4", 572, xtRegisterTypeMapped, 0x1010, 0, - 2, 4, 4, 0x00002015, 0x0006, (xtensa_mask_t *) mask13, + 2, 4, 4, 0x00002015, 0x0006, &xtensa_mask13, 0, 0 }, { /* 0144 */ "datapgszid4", 576, xtRegisterTypeMapped, 0x1010, 0, - 2, 4, 4, 0x00002016, 0x0006, (xtensa_mask_t *) mask14, + 2, 4, 4, 0x00002016, 0x0006, &xtensa_mask14, 0, 0 }, { /* 0145 */ "ptbase", 580, xtRegisterTypeMapped, 0x1010, 0, - 10, 4, 4, 0x00002017, 0x0006, (xtensa_mask_t *) mask15, + 10, 4, 4, 0x00002017, 0x0006, &xtensa_mask15, 0, 0 }, }; diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c index a27faf9..00ebd6c 100644 --- a/gdb/xtensa-tdep.c +++ b/gdb/xtensa-tdep.c @@ -140,7 +140,7 @@ extract_call_winsize (CORE_ADDR pc) { int winsize = 4; /* Default: No call, e.g. dummy frame. */ int insn; - char buf[4]; + gdb_byte buf[4]; DEBUGTRACE ("extract_call_winsize (pc = 0x%08x)\n", (int) pc); @@ -484,7 +484,7 @@ xtensa_pseudo_register_read (struct gdbarch *gdbarch, /* Read aliases a0..a15. */ if (regnum >= A0_REGNUM && regnum <= A15_REGNUM) { - char *buf = (char *) alloca (MAX_REGISTER_SIZE); + gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE); regcache_raw_read (regcache, WB_REGNUM, buf); regnum = AREG_NUMBER (regnum, extract_unsigned_integer (buf, 4)); @@ -565,7 +565,7 @@ xtensa_pseudo_register_write (struct gdbarch *gdbarch, /* Renumber register, if aliase a0..a15. */ if (regnum >= A0_REGNUM && regnum <= A15_REGNUM) { - char *buf = (char *) alloca (MAX_REGISTER_SIZE); + gdb_byte *buf = (gdb_byte *) alloca (MAX_REGISTER_SIZE); unsigned int wb; regcache_raw_read (regcache, WB_REGNUM, buf); @@ -842,7 +842,7 @@ xtensa_frame_align (struct gdbarch *gdbarch, CORE_ADDR address) static CORE_ADDR xtensa_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) { - char buf[8]; + gdb_byte buf[8]; DEBUGTRACE ("xtensa_unwind_pc (next_frame = %p)\n", next_frame); @@ -859,7 +859,7 @@ static struct frame_id xtensa_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame) { CORE_ADDR pc, fp; - char buf[4]; + gdb_byte buf[4]; /* next_frame->prev is a dummy frame. Return a frame ID of that frame. */ @@ -1265,7 +1265,7 @@ xtensa_push_dummy_call (struct gdbarch *gdbarch, { int i; int size, onstack_size; - char *buf = (char *) alloca (16); + gdb_byte *buf = (gdb_byte *) alloca (16); CORE_ADDR ra, ps; struct argument_info { @@ -1493,10 +1493,10 @@ xtensa_push_dummy_call (struct gdbarch *gdbarch, const unsigned char * xtensa_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr) { - static char big_breakpoint[] = BIG_BREAKPOINT; - static char little_breakpoint[] = LITTLE_BREAKPOINT; - static char density_big_breakpoint[] = DENSITY_BIG_BREAKPOINT; - static char density_little_breakpoint[] = DENSITY_LITTLE_BREAKPOINT; + static unsigned char big_breakpoint[] = BIG_BREAKPOINT; + static unsigned char little_breakpoint[] = LITTLE_BREAKPOINT; + static unsigned char density_big_breakpoint[] = DENSITY_BIG_BREAKPOINT; + static unsigned char density_little_breakpoint[] = DENSITY_LITTLE_BREAKPOINT; DEBUGTRACE ("xtensa_breakpoint_from_pc (pc = 0x%08x)\n", (int) *pcptr); diff --git a/gdb/xtensa-tdep.h b/gdb/xtensa-tdep.h index f76debe..b6ed965 100644 --- a/gdb/xtensa-tdep.h +++ b/gdb/xtensa-tdep.h @@ -103,13 +103,15 @@ typedef struct typedef struct { + int reg_num; + int bit_start; + int bit_size; +} xtensa_reg_mask_t; + +typedef struct +{ int count; - struct - { - int reg_num; - int bit_start; - int bit_size; - } mask[0]; + xtensa_reg_mask_t *mask; } xtensa_mask_t; -- 2.7.4