diff options
Diffstat (limited to 'gdb/ppc64-tdep.c')
| -rw-r--r-- | gdb/ppc64-tdep.c | 602 |
1 files changed, 289 insertions, 313 deletions
diff --git a/gdb/ppc64-tdep.c b/gdb/ppc64-tdep.c index a7ab622..45bbe6c 100644 --- a/gdb/ppc64-tdep.c +++ b/gdb/ppc64-tdep.c @@ -29,56 +29,40 @@ operands are masked off before they're or-ed into the instruction, you can use -1 to make masks. */ -#define insn_d(opcd, rts, ra, d) \ - ((((unsigned (opcd)) & 0x3f) << 26) \ - | (((unsigned (rts)) & 0x1f) << 21) \ - | (((unsigned (ra)) & 0x1f) << 16) \ - | ((unsigned (d)) & 0xffff)) - -#define insn_ds(opcd, rts, ra, d, xo) \ - ((((unsigned (opcd)) & 0x3f) << 26) \ - | (((unsigned (rts)) & 0x1f) << 21) \ - | (((unsigned (ra)) & 0x1f) << 16) \ - | ((unsigned (d)) & 0xfffc) \ +#define insn_d(opcd, rts, ra, d) \ + ((((unsigned (opcd)) & 0x3f) << 26) | (((unsigned (rts)) & 0x1f) << 21) \ + | (((unsigned (ra)) & 0x1f) << 16) | ((unsigned (d)) & 0xffff)) + +#define insn_ds(opcd, rts, ra, d, xo) \ + ((((unsigned (opcd)) & 0x3f) << 26) | (((unsigned (rts)) & 0x1f) << 21) \ + | (((unsigned (ra)) & 0x1f) << 16) | ((unsigned (d)) & 0xfffc) \ | ((unsigned (xo)) & 0x3)) -#define insn_xfx(opcd, rts, spr, xo) \ - ((((unsigned (opcd)) & 0x3f) << 26) \ - | (((unsigned (rts)) & 0x1f) << 21) \ - | (((unsigned (spr)) & 0x1f) << 16) \ - | (((unsigned (spr)) & 0x3e0) << 6) \ +#define insn_xfx(opcd, rts, spr, xo) \ + ((((unsigned (opcd)) & 0x3f) << 26) | (((unsigned (rts)) & 0x1f) << 21) \ + | (((unsigned (spr)) & 0x1f) << 16) | (((unsigned (spr)) & 0x3e0) << 6) \ | (((unsigned (xo)) & 0x3ff) << 1)) -#define prefix(a, b, R, do) \ - (((0x1) << 26) \ - | (((unsigned (a)) & 0x3) << 24) \ - | (((unsigned (b)) & 0x1) << 23) \ - | (((unsigned (R)) & 0x1) << 20) \ +#define prefix(a, b, R, do) \ + (((0x1) << 26) | (((unsigned (a)) & 0x3) << 24) \ + | (((unsigned (b)) & 0x1) << 23) | (((unsigned (R)) & 0x1) << 20) \ | ((unsigned (do)) & 0x3ffff)) -#define insn_md(opcd, ra, rs, sh, me, rc) \ - ((((unsigned (opcd)) & 0x3f) << 26) \ - | (((unsigned (rs)) & 0x1f) << 21) \ - | (((unsigned (ra)) & 0x1f) << 16) \ - | (((unsigned (sh)) & 0x3e) << 11) \ - | (((unsigned (me)) & 0x3f) << 25) \ - | (((unsigned (sh)) & 0x1) << 1) \ +#define insn_md(opcd, ra, rs, sh, me, rc) \ + ((((unsigned (opcd)) & 0x3f) << 26) | (((unsigned (rs)) & 0x1f) << 21) \ + | (((unsigned (ra)) & 0x1f) << 16) | (((unsigned (sh)) & 0x3e) << 11) \ + | (((unsigned (me)) & 0x3f) << 25) | (((unsigned (sh)) & 0x1) << 1) \ | ((unsigned (rc)) & 0x1)) -#define insn_x(opcd, rt, ra, rb, opc2) \ - ((((unsigned (opcd)) & 0x3f) << 26) \ - | (((unsigned (rt)) & 0x1f) << 21) \ - | (((unsigned (ra)) & 0x1f) << 16) \ - | (((unsigned (rb)) & 0x3e) << 11) \ +#define insn_x(opcd, rt, ra, rb, opc2) \ + ((((unsigned (opcd)) & 0x3f) << 26) | (((unsigned (rt)) & 0x1f) << 21) \ + | (((unsigned (ra)) & 0x1f) << 16) | (((unsigned (rb)) & 0x3e) << 11) \ | (((unsigned (opc2)) & 0x3FF) << 1)) -#define insn_xo(opcd, rt, ra, rb, oe, rc, opc2) \ - ((((unsigned (opcd)) & 0x3f) << 26) \ - | (((unsigned (rt)) & 0x1f) << 21) \ - | (((unsigned (ra)) & 0x1f) << 16) \ - | (((unsigned (rb)) & 0x3e) << 11) \ - | (((unsigned (oe)) & 0x1) << 10) \ - | (((unsigned (opc2)) & 0x1FF) << 1) \ +#define insn_xo(opcd, rt, ra, rb, oe, rc, opc2) \ + ((((unsigned (opcd)) & 0x3f) << 26) | (((unsigned (rt)) & 0x1f) << 21) \ + | (((unsigned (ra)) & 0x1f) << 16) | (((unsigned (rb)) & 0x3e) << 11) \ + | (((unsigned (oe)) & 0x1) << 10) | (((unsigned (opc2)) & 0x1FF) << 1) \ | (((unsigned (rc))))) /* PLT_OFF is the TOC-relative offset of a 64-bit PowerPC PLT entry. @@ -95,8 +79,8 @@ ppc64_plt_entry_point (frame_info_ptr frame, CORE_ADDR plt_off) if (execution_direction == EXEC_REVERSE) { /* If executing in reverse, r2 will have been stored to the stack. */ - CORE_ADDR sp = get_frame_register_unsigned (frame, - tdep->ppc_gp0_regnum + 1); + CORE_ADDR sp + = get_frame_register_unsigned (frame, tdep->ppc_gp0_regnum + 1); unsigned int sp_off = tdep->elf_abi == POWERPC_ELF_V1 ? 40 : 24; tocp = read_memory_unsigned_integer (sp + sp_off, 8, byte_order); } @@ -124,37 +108,36 @@ ppc64_plt_pcrel_entry_point (frame_info_ptr frame, CORE_ADDR plt_off, /* Old ELFv1 PLT call stub. */ -static const struct ppc_insn_pattern ppc64_standard_linkage1[] = - { - /* addis r12, r2, <any> */ - { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, +static const struct ppc_insn_pattern ppc64_standard_linkage1[] = { + /* addis r12, r2, <any> */ + { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, - /* std r2, 40(r1) */ - { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 0 }, + /* std r2, 40(r1) */ + { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 0 }, - /* ld r11, <any>(r12) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 0 }, + /* ld r11, <any>(r12) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 0 }, - /* addis r12, r12, 1 <optional> */ - { insn_d (-1, -1, -1, -1), insn_d (15, 12, 12, 1), 1 }, + /* addis r12, r12, 1 <optional> */ + { insn_d (-1, -1, -1, -1), insn_d (15, 12, 12, 1), 1 }, - /* ld r2, <any>(r12) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 12, 0, 0), 0 }, + /* ld r2, <any>(r12) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 12, 0, 0), 0 }, - /* addis r12, r12, 1 <optional> */ - { insn_d (-1, -1, -1, -1), insn_d (15, 12, 12, 1), 1 }, + /* addis r12, r12, 1 <optional> */ + { insn_d (-1, -1, -1, -1), insn_d (15, 12, 12, 1), 1 }, - /* mtctr r11 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 }, + /* mtctr r11 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 }, - /* ld r11, <any>(r12) <optional> */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 1 }, + /* ld r11, <any>(r12) <optional> */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 1 }, - /* bctr */ - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv1 PLT call stub to access PLT entries more than +/- 32k from r2. Also supports older stub with different placement of std 2,40(1), @@ -163,332 +146,321 @@ static const struct ppc_insn_pattern ppc64_standard_linkage1[] = instructions following "cmpldi r2, 0", "bnectr+" and "b <glink_i>", but there isn't any need to match them. */ -static const struct ppc_insn_pattern ppc64_standard_linkage2[] = - { - /* std r2, 40(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage2[] = { + /* std r2, 40(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, - /* addis r12, r2, <any> */ - { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, + /* addis r12, r2, <any> */ + { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, - /* std r2, 40(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, + /* std r2, 40(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, - /* ld r11, <any>(r12) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 0 }, + /* ld r11, <any>(r12) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 0 }, - /* addi r12, r12, <any> <optional> */ - { insn_d (-1, -1, -1, 0), insn_d (14, 12, 12, 0), 1 }, + /* addi r12, r12, <any> <optional> */ + { insn_d (-1, -1, -1, 0), insn_d (14, 12, 12, 0), 1 }, - /* mtctr r11 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 }, + /* mtctr r11 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 }, - /* xor r11, r11, r11 <optional> */ - { (unsigned) -1, 0x7d6b5a78, 1 }, + /* xor r11, r11, r11 <optional> */ + { (unsigned) -1, 0x7d6b5a78, 1 }, - /* add r12, r12, r11 <optional> */ - { (unsigned) -1, 0x7d8c5a14, 1 }, + /* add r12, r12, r11 <optional> */ + { (unsigned) -1, 0x7d8c5a14, 1 }, - /* ld r2, <any>(r12) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 12, 0, 0), 0 }, + /* ld r2, <any>(r12) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 12, 0, 0), 0 }, - /* ld r11, <any>(r12) <optional> */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 1 }, + /* ld r11, <any>(r12) <optional> */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 12, 0, 0), 1 }, - /* bctr <optional> */ - { (unsigned) -1, 0x4e800420, 1 }, + /* bctr <optional> */ + { (unsigned) -1, 0x4e800420, 1 }, - /* cmpldi r2, 0 <optional> */ - { (unsigned) -1, 0x28220000, 1 }, + /* cmpldi r2, 0 <optional> */ + { (unsigned) -1, 0x28220000, 1 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv1 PLT call stub to access PLT entries within +/- 32k of r2. */ -static const struct ppc_insn_pattern ppc64_standard_linkage3[] = - { - /* std r2, 40(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage3[] = { + /* std r2, 40(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, - /* ld r11, <any>(r2) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 0 }, + /* ld r11, <any>(r2) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 0 }, - /* addi r2, r2, <any> <optional> */ - { insn_d (-1, -1, -1, 0), insn_d (14, 2, 2, 0), 1 }, + /* addi r2, r2, <any> <optional> */ + { insn_d (-1, -1, -1, 0), insn_d (14, 2, 2, 0), 1 }, - /* mtctr r11 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 }, + /* mtctr r11 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 11, 9, 467), 0 }, - /* xor r11, r11, r11 <optional> */ - { (unsigned) -1, 0x7d6b5a78, 1 }, + /* xor r11, r11, r11 <optional> */ + { (unsigned) -1, 0x7d6b5a78, 1 }, - /* add r2, r2, r11 <optional> */ - { (unsigned) -1, 0x7c425a14, 1 }, + /* add r2, r2, r11 <optional> */ + { (unsigned) -1, 0x7c425a14, 1 }, - /* ld r11, <any>(r2) <optional> */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 1 }, + /* ld r11, <any>(r2) <optional> */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 1 }, - /* ld r2, <any>(r2) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 2, 0, 0), 0 }, + /* ld r2, <any>(r2) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 2, 0, 0), 0 }, - /* bctr <optional> */ - { (unsigned) -1, 0x4e800420, 1 }, + /* bctr <optional> */ + { (unsigned) -1, 0x4e800420, 1 }, - /* cmpldi r2, 0 <optional> */ - { (unsigned) -1, 0x28220000, 1 }, + /* cmpldi r2, 0 <optional> */ + { (unsigned) -1, 0x28220000, 1 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv1 PLT call stub to access PLT entries more than +/- 32k from r2. A more modern variant of ppc64_standard_linkage2 differing in register usage. */ -static const struct ppc_insn_pattern ppc64_standard_linkage4[] = - { - /* std r2, 40(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage4[] = { + /* std r2, 40(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, - /* addis r11, r2, <any> */ - { insn_d (-1, -1, -1, 0), insn_d (15, 11, 2, 0), 0 }, + /* addis r11, r2, <any> */ + { insn_d (-1, -1, -1, 0), insn_d (15, 11, 2, 0), 0 }, - /* ld r12, <any>(r11) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 11, 0, 0), 0 }, + /* ld r12, <any>(r11) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 11, 0, 0), 0 }, - /* addi r11, r11, <any> <optional> */ - { insn_d (-1, -1, -1, 0), insn_d (14, 11, 11, 0), 1 }, + /* addi r11, r11, <any> <optional> */ + { insn_d (-1, -1, -1, 0), insn_d (14, 11, 11, 0), 1 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* xor r2, r12, r12 <optional> */ - { (unsigned) -1, 0x7d826278, 1 }, + /* xor r2, r12, r12 <optional> */ + { (unsigned) -1, 0x7d826278, 1 }, - /* add r11, r11, r2 <optional> */ - { (unsigned) -1, 0x7d6b1214, 1 }, + /* add r11, r11, r2 <optional> */ + { (unsigned) -1, 0x7d6b1214, 1 }, - /* ld r2, <any>(r11) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 11, 0, 0), 0 }, + /* ld r2, <any>(r11) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 11, 0, 0), 0 }, - /* ld r11, <any>(r11) <optional> */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 11, 0, 0), 1 }, + /* ld r11, <any>(r11) <optional> */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 11, 0, 0), 1 }, - /* bctr <optional> */ - { (unsigned) -1, 0x4e800420, 1 }, + /* bctr <optional> */ + { (unsigned) -1, 0x4e800420, 1 }, - /* cmpldi r2, 0 <optional> */ - { (unsigned) -1, 0x28220000, 1 }, + /* cmpldi r2, 0 <optional> */ + { (unsigned) -1, 0x28220000, 1 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv1 PLT call stub to access PLT entries within +/- 32k of r2. A more modern variant of ppc64_standard_linkage3 differing in register usage. */ -static const struct ppc_insn_pattern ppc64_standard_linkage5[] = - { - /* std r2, 40(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage5[] = { + /* std r2, 40(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 40, 0), 1 }, - /* ld r12, <any>(r2) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 2, 0, 0), 0 }, + /* ld r12, <any>(r2) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 2, 0, 0), 0 }, - /* addi r2, r2, <any> <optional> */ - { insn_d (-1, -1, -1, 0), insn_d (14, 2, 2, 0), 1 }, + /* addi r2, r2, <any> <optional> */ + { insn_d (-1, -1, -1, 0), insn_d (14, 2, 2, 0), 1 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* xor r11, r12, r12 <optional> */ - { (unsigned) -1, 0x7d8b6278, 1 }, + /* xor r11, r12, r12 <optional> */ + { (unsigned) -1, 0x7d8b6278, 1 }, - /* add r2, r2, r11 <optional> */ - { (unsigned) -1, 0x7c425a14, 1 }, + /* add r2, r2, r11 <optional> */ + { (unsigned) -1, 0x7c425a14, 1 }, - /* ld r11, <any>(r2) <optional> */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 1 }, + /* ld r11, <any>(r2) <optional> */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 11, 2, 0, 0), 1 }, - /* ld r2, <any>(r2) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 2, 0, 0), 0 }, + /* ld r2, <any>(r2) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 2, 2, 0, 0), 0 }, - /* bctr <optional> */ - { (unsigned) -1, 0x4e800420, 1 }, + /* bctr <optional> */ + { (unsigned) -1, 0x4e800420, 1 }, - /* cmpldi r2, 0 <optional> */ - { (unsigned) -1, 0x28220000, 1 }, + /* cmpldi r2, 0 <optional> */ + { (unsigned) -1, 0x28220000, 1 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv2 PLT call stub to access PLT entries more than +/- 32k from r2. */ -static const struct ppc_insn_pattern ppc64_standard_linkage6[] = - { - /* std r2, 24(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage6[] = { + /* std r2, 24(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 }, - /* addis r11, r2, <any> */ - { insn_d (-1, -1, -1, 0), insn_d (15, 11, 2, 0), 0 }, + /* addis r11, r2, <any> */ + { insn_d (-1, -1, -1, 0), insn_d (15, 11, 2, 0), 0 }, - /* ld r12, <any>(r11) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 11, 0, 0), 0 }, + /* ld r12, <any>(r11) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 11, 0, 0), 0 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv2 PLT call stub to access PLT entries within +/- 32k of r2. */ -static const struct ppc_insn_pattern ppc64_standard_linkage7[] = - { - /* std r2, 24(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage7[] = { + /* std r2, 24(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 }, - /* ld r12, <any>(r2) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 2, 0, 0), 0 }, + /* ld r12, <any>(r2) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 2, 0, 0), 0 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* ELFv2 PLT call stub to access PLT entries more than +/- 32k from r2, supporting fusion. */ -static const struct ppc_insn_pattern ppc64_standard_linkage8[] = - { - /* std r2, 24(r1) <optional> */ - { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage8[] = { + /* std r2, 24(r1) <optional> */ + { (unsigned) -1, insn_ds (62, 2, 1, 24, 0), 1 }, - /* addis r12, r2, <any> */ - { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, + /* addis r12, r2, <any> */ + { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, - /* ld r12, <any>(r12) */ - { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 12, 0, 0), 0 }, + /* ld r12, <any>(r12) */ + { insn_ds (-1, -1, -1, 0, -1), insn_ds (58, 12, 12, 0, 0), 0 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* Power 10 ELFv2 PLT call stubs */ -static const struct ppc_insn_pattern ppc64_standard_linkage9[] = - { - /* std %r2,0+40(%r1) <optional> */ - { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage9[] = { + /* std %r2,0+40(%r1) <optional> */ + { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, - /* pld r12, <any> */ - { prefix (-1, -1, 1, 0), prefix (0, 0, 1, 0), 0 }, - { insn_d (-1, -1, -1, 0), insn_d (57, 12, 0, 0), 0 }, + /* pld r12, <any> */ + { prefix (-1, -1, 1, 0), prefix (0, 0, 1, 0), 0 }, + { insn_d (-1, -1, -1, 0), insn_d (57, 12, 0, 0), 0 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; -static const struct ppc_insn_pattern ppc64_standard_linkage10[] = - { - /* std %r2,0+40(%r1) <optional> */ - { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage10[] = { + /* std %r2,0+40(%r1) <optional> */ + { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, - /* paddi r12,<any> */ - { prefix (-1, -1, 1, 0), prefix (2, 0, 1, 0), 0 }, - { insn_d (-1, -1, -1, 0), insn_d (14, 12, 0, 0), 0 }, + /* paddi r12,<any> */ + { prefix (-1, -1, 1, 0), prefix (2, 0, 1, 0), 0 }, + { insn_d (-1, -1, -1, 0), insn_d (14, 12, 0, 0), 0 }, - /* mtctr r12 <optional> */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 <optional> */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; -static const struct ppc_insn_pattern ppc64_standard_linkage11[] = - { - /* std %r2,0+40(%r1) <optional> */ - { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage11[] = { + /* std %r2,0+40(%r1) <optional> */ + { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, - /* li %r11,0 <optional> */ - { insn_d (-1, -1, -1, 0), insn_d (14, 11, 0, 0), 1 }, + /* li %r11,0 <optional> */ + { insn_d (-1, -1, -1, 0), insn_d (14, 11, 0, 0), 1 }, - /* sldi %r11,%r11,34 <eq to rldicr rx,ry,n, 63-n> <optional> */ - { insn_md (-1, -1, -1, 0, 0, 1), insn_md (30, 11, 11, 34, 63-34, 0), 1 }, + /* sldi %r11,%r11,34 <eq to rldicr rx,ry,n, 63-n> <optional> */ + { insn_md (-1, -1, -1, 0, 0, 1), insn_md (30, 11, 11, 34, 63 - 34, 0), 1 }, - /* paddi r12, <any> */ - { prefix (-1, -1, 1, 0), prefix (2, 0, 1, 0), 0 }, - { insn_d (-1, -1, -1, 0), insn_d (14, 12, 0, 0), 0 }, + /* paddi r12, <any> */ + { prefix (-1, -1, 1, 0), prefix (2, 0, 1, 0), 0 }, + { insn_d (-1, -1, -1, 0), insn_d (14, 12, 0, 0), 0 }, - /* ldx %r12,%r11,%r12 <optional> */ - { (unsigned) -1, insn_x (31, 12, 11, 12, 21), 1 }, + /* ldx %r12,%r11,%r12 <optional> */ + { (unsigned) -1, insn_x (31, 12, 11, 12, 21), 1 }, - /* add %r12,%r11,%r12 <optional> */ - { (unsigned) -1, insn_xo (31, 12, 11, 12, 0, 0, 40), 1 }, + /* add %r12,%r11,%r12 <optional> */ + { (unsigned) -1, insn_xo (31, 12, 11, 12, 0, 0, 40), 1 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ // 13, 14, 15, 16 - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ // 13, 14, 15, 16 + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; -static const struct ppc_insn_pattern ppc64_standard_linkage12[] = - { - /* std %r2,0+40(%r1) <optional> */ - { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, +static const struct ppc_insn_pattern ppc64_standard_linkage12[] = { + /* std %r2,0+40(%r1) <optional> */ + { insn_ds (-1, -1, -1, 0, 1), insn_ds (62, 2, 1, 40, 0), 1 }, - /* lis %r11,xxx@ha <equivalent addis rx, 0, val> */ - /* addis r12, r2, <any> */ - { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, + /* lis %r11,xxx@ha <equivalent addis rx, 0, val> */ + /* addis r12, r2, <any> */ + { insn_d (-1, -1, -1, 0), insn_d (15, 12, 2, 0), 0 }, - /* ori %r11,%r11,xxx@l */ - { insn_d (-1, -1, -1, 0), insn_d (24, 11, 11, 0), 0 }, + /* ori %r11,%r11,xxx@l */ + { insn_d (-1, -1, -1, 0), insn_d (24, 11, 11, 0), 0 }, - /* sldi %r11,%r11,34 <optional> */ - { (unsigned) -1, insn_md (30, 11, 11, 34, 63-34, 0), 1 }, + /* sldi %r11,%r11,34 <optional> */ + { (unsigned) -1, insn_md (30, 11, 11, 34, 63 - 34, 0), 1 }, - /*paddi r12,<any> */ - { prefix (-1, -1, 1, 0), prefix (2, 0, 1, 0), 0 }, - { insn_d (-1, -1, -1, 0), insn_d (14, 12, 0, 0), 0 }, + /*paddi r12,<any> */ + { prefix (-1, -1, 1, 0), prefix (2, 0, 1, 0), 0 }, + { insn_d (-1, -1, -1, 0), insn_d (14, 12, 0, 0), 0 }, - /* sldi %r11,%r11,34 <optional> */ - { (unsigned) -1, insn_md (30, 11, 11, 34, 63-34, 0), 1 }, + /* sldi %r11,%r11,34 <optional> */ + { (unsigned) -1, insn_md (30, 11, 11, 34, 63 - 34, 0), 1 }, - /* ldx %r12,%r11,%r12 <optional> */ - { (unsigned) -1, insn_x (31, 12, 11, 12, 21), 1 }, + /* ldx %r12,%r11,%r12 <optional> */ + { (unsigned) -1, insn_x (31, 12, 11, 12, 21), 1 }, - /* add %r12,%r11,%r12 <optional> */ - { (unsigned) -1, insn_xo (31, 12, 11, 12, 0, 0, 40), 1 }, + /* add %r12,%r11,%r12 <optional> */ + { (unsigned) -1, insn_xo (31, 12, 11, 12, 0, 0, 40), 1 }, - /* mtctr r12 */ - { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, + /* mtctr r12 */ + { insn_xfx (-1, -1, -1, -1), insn_xfx (31, 12, 9, 467), 0 }, - /* bctr */ // 17, 18, 19, 20 - { (unsigned) -1, 0x4e800420, 0 }, + /* bctr */ // 17, 18, 19, 20 + { (unsigned) -1, 0x4e800420, 0 }, - { 0, 0, 0 } - }; + { 0, 0, 0 } +}; /* When the dynamic linker is doing lazy symbol resolution, the first call to a function in another object will go like this: @@ -548,8 +520,8 @@ static const struct ppc_insn_pattern ppc64_standard_linkage12[] = static CORE_ADDR ppc64_standard_linkage1_target (frame_info_ptr frame, unsigned int *insn) { - CORE_ADDR plt_off = ((ppc_insn_d_field (insn[0]) << 16) - + ppc_insn_ds_field (insn[2])); + CORE_ADDR plt_off + = ((ppc_insn_d_field (insn[0]) << 16) + ppc_insn_ds_field (insn[2])); return ppc64_plt_entry_point (frame, plt_off); } @@ -557,8 +529,8 @@ ppc64_standard_linkage1_target (frame_info_ptr frame, unsigned int *insn) static CORE_ADDR ppc64_standard_linkage2_target (frame_info_ptr frame, unsigned int *insn) { - CORE_ADDR plt_off = ((ppc_insn_d_field (insn[1]) << 16) - + ppc_insn_ds_field (insn[3])); + CORE_ADDR plt_off + = ((ppc_insn_d_field (insn[1]) << 16) + ppc_insn_ds_field (insn[3])); return ppc64_plt_entry_point (frame, plt_off); } @@ -574,8 +546,8 @@ ppc64_standard_linkage3_target (frame_info_ptr frame, unsigned int *insn) static CORE_ADDR ppc64_standard_linkage4_target (frame_info_ptr frame, unsigned int *insn) { - CORE_ADDR plt_off = ((ppc_insn_d_field (insn[1]) << 16) - + ppc_insn_ds_field (insn[2])); + CORE_ADDR plt_off + = ((ppc_insn_d_field (insn[1]) << 16) + ppc_insn_ds_field (insn[2])); return ppc64_plt_entry_point (frame, plt_off); } @@ -603,7 +575,6 @@ ppc64_pcrel_linkage2_target (frame_info_ptr frame, unsigned int *insn, return ppc64_plt_pcrel_entry_point (frame, plt_off, pc); } - /* Given that we've begun executing a call trampoline at PC, return the entry point of the function the trampoline will go to. @@ -613,21 +584,22 @@ ppc64_pcrel_linkage2_target (frame_info_ptr frame, unsigned int *insn, static CORE_ADDR ppc64_skip_trampoline_code_1 (frame_info_ptr frame, CORE_ADDR pc) { -#define MAX(a,b) ((a) > (b) ? (a) : (b)) - unsigned int insns[MAX (MAX (MAX (ARRAY_SIZE (ppc64_standard_linkage1), - ARRAY_SIZE (ppc64_standard_linkage2)), - MAX (ARRAY_SIZE (ppc64_standard_linkage3), - ARRAY_SIZE (ppc64_standard_linkage4))), - MAX(MAX (MAX (ARRAY_SIZE (ppc64_standard_linkage5), - ARRAY_SIZE (ppc64_standard_linkage6)), - MAX (ARRAY_SIZE (ppc64_standard_linkage7), - ARRAY_SIZE (ppc64_standard_linkage8))), - MAX (MAX (ARRAY_SIZE (ppc64_standard_linkage9), - ARRAY_SIZE (ppc64_standard_linkage10)), - MAX (ARRAY_SIZE (ppc64_standard_linkage11), - ARRAY_SIZE (ppc64_standard_linkage12))))) - - - 1]; +#define MAX(a, b) ((a) > (b) ? (a) : (b)) + unsigned int + insns[MAX (MAX (MAX (ARRAY_SIZE (ppc64_standard_linkage1), + ARRAY_SIZE (ppc64_standard_linkage2)), + MAX (ARRAY_SIZE (ppc64_standard_linkage3), + ARRAY_SIZE (ppc64_standard_linkage4))), + MAX (MAX (MAX (ARRAY_SIZE (ppc64_standard_linkage5), + ARRAY_SIZE (ppc64_standard_linkage6)), + MAX (ARRAY_SIZE (ppc64_standard_linkage7), + ARRAY_SIZE (ppc64_standard_linkage8))), + MAX (MAX (ARRAY_SIZE (ppc64_standard_linkage9), + ARRAY_SIZE (ppc64_standard_linkage10)), + MAX (ARRAY_SIZE (ppc64_standard_linkage11), + ARRAY_SIZE (ppc64_standard_linkage12))))) + + - 1]; CORE_ADDR target; int scan_limit, i; @@ -640,19 +612,24 @@ ppc64_skip_trampoline_code_1 (frame_info_ptr frame, CORE_ADDR pc) for (i = 0; i < scan_limit; i++) { if (i < ARRAY_SIZE (ppc64_standard_linkage12) - 1 - && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage12, insns)) + && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage12, + insns)) pc = ppc64_pcrel_linkage1_target (frame, insns, pc); else if (i < ARRAY_SIZE (ppc64_standard_linkage11) - 1 - && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage11, insns)) + && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage11, + insns)) pc = ppc64_pcrel_linkage2_target (frame, insns, pc); else if (i < ARRAY_SIZE (ppc64_standard_linkage10) - 1 - && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage10, insns)) + && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage10, + insns)) pc = ppc64_pcrel_linkage1_target (frame, insns, pc); else if (i < ARRAY_SIZE (ppc64_standard_linkage9) - 1 - && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage9, insns)) + && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage9, + insns)) pc = ppc64_pcrel_linkage1_target (frame, insns, pc); else if (i < ARRAY_SIZE (ppc64_standard_linkage8) - 1 - && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage8, insns)) + && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage8, + insns)) pc = ppc64_standard_linkage4_target (frame, insns); else if (i < ARRAY_SIZE (ppc64_standard_linkage7) - 1 && ppc_insns_match_pattern (frame, pc, ppc64_standard_linkage7, @@ -698,7 +675,7 @@ ppc64_skip_trampoline_code_1 (frame_info_ptr frame, CORE_ADDR pc) symbols, find_solib_trampoline_target should be able to resolve them. */ target = find_solib_trampoline_target (frame, pc); return target ? target : pc; - } + } return 0; } @@ -744,9 +721,8 @@ ppc64_skip_trampoline_code (frame_info_ptr frame, CORE_ADDR pc) random addresses such as occur when there is no symbol table. */ CORE_ADDR -ppc64_convert_from_func_ptr_addr (struct gdbarch *gdbarch, - CORE_ADDR addr, - struct target_ops *targ) +ppc64_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, + struct target_ops *targ) { enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); const struct target_section *s = target_section_by_addr (targ, addr); @@ -778,12 +754,12 @@ ppc64_convert_from_func_ptr_addr (struct gdbarch *gdbarch, int res; res = bfd_get_section_contents (s->the_bfd_section->owner, - s->the_bfd_section, - &buf, addr - s->addr, 8); + s->the_bfd_section, &buf, addr - s->addr, + 8); if (res != 0) return (extract_unsigned_integer (buf, 8, byte_order) - bfd_section_vma (s->the_bfd_section) + s->addr); - } + } return addr; } |