Commit 0ab41886 authored by David Miller's avatar David Miller Committed by Arnaldo Carvalho de Melo

perf annotate: Add Sparc support

E.g.:

  $ perf annotate --stdio2
  Samples: 7K of event 'cycles:ppp', 4000 Hz, Event count (approx.): 3086733887
  __gettimeofday  /lib32/libc-2.27.so [Percent: local period]
  Percent│
         │
         │
         │    Disassembly of section .text:
         │
         │    000a6fa0 <__gettimeofday@@GLIBC_2.0>:
    0.47 │      save   %sp, -96, %sp
    0.73 │      sethi  %hi(0xe9000), %l7
         │    → call   __frame_state_for@@GLIBC_2.0+0x480
    0.30 │      add    %l7, 0x58, %l7     ! e9058 <nftw64@@GLIBC_2.3.3+0x818>
    1.33 │      mov    %i0, %o0
         │      mov    %i1, %o1
    0.43 │      mov    0x74, %g1
         │      ta     0x10
   88.92 │    ↓ bcc    30
    2.95 │      clr    %g1
         │      neg    %o0
         │      mov    1, %g1
    0.31 │30:   cmp    %g1, 0
         │      bne,pn %icc, a6fe4 <__gettimeofday@@GLIBC_2.0+0x44>
         │      mov    %o0, %i0
    1.96 │    ← return %i7 + 8
    2.62 │      nop
         │      sethi  %hi(0), %g1
         │      neg    %o0, %g2
         │      add    %g1, 0x160, %g1
         │      ld     [ %l7 + %g1 ], %g1
         │      st     %g2, [ %g7 + %g1 ]
         │    ← return %i7 + 8
         │      mov    -1, %o0
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20181016.205555.1070918198627611771.davem@davemloft.netSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent cf790516
// SPDX-License-Identifier: GPL-2.0
static int is_branch_cond(const char *cond)
{
if (cond[0] == '\0')
return 1;
if (cond[0] == 'a' && cond[1] == '\0')
return 1;
if (cond[0] == 'c' &&
(cond[1] == 'c' || cond[1] == 's') &&
cond[2] == '\0')
return 1;
if (cond[0] == 'e' &&
(cond[1] == '\0' ||
(cond[1] == 'q' && cond[2] == '\0')))
return 1;
if (cond[0] == 'g' &&
(cond[1] == '\0' ||
(cond[1] == 't' && cond[2] == '\0') ||
(cond[1] == 'e' && cond[2] == '\0') ||
(cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0')))
return 1;
if (cond[0] == 'l' &&
(cond[1] == '\0' ||
(cond[1] == 't' && cond[2] == '\0') ||
(cond[1] == 'u' && cond[2] == '\0') ||
(cond[1] == 'e' && cond[2] == '\0') ||
(cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0')))
return 1;
if (cond[0] == 'n' &&
(cond[1] == '\0' ||
(cond[1] == 'e' && cond[2] == '\0') ||
(cond[1] == 'z' && cond[2] == '\0') ||
(cond[1] == 'e' && cond[2] == 'g' && cond[3] == '\0')))
return 1;
if (cond[0] == 'b' &&
cond[1] == 'p' &&
cond[2] == 'o' &&
cond[3] == 's' &&
cond[4] == '\0')
return 1;
if (cond[0] == 'v' &&
(cond[1] == 'c' || cond[1] == 's') &&
cond[2] == '\0')
return 1;
if (cond[0] == 'b' &&
cond[1] == 'z' &&
cond[2] == '\0')
return 1;
return 0;
}
static int is_branch_reg_cond(const char *cond)
{
if ((cond[0] == 'n' || cond[0] == 'l') &&
cond[1] == 'z' &&
cond[2] == '\0')
return 1;
if (cond[0] == 'z' &&
cond[1] == '\0')
return 1;
if ((cond[0] == 'g' || cond[0] == 'l') &&
cond[1] == 'e' &&
cond[2] == 'z' &&
cond[3] == '\0')
return 1;
if (cond[0] == 'g' &&
cond[1] == 'z' &&
cond[2] == '\0')
return 1;
return 0;
}
static int is_branch_float_cond(const char *cond)
{
if (cond[0] == '\0')
return 1;
if ((cond[0] == 'a' || cond[0] == 'e' ||
cond[0] == 'z' || cond[0] == 'g' ||
cond[0] == 'l' || cond[0] == 'n' ||
cond[0] == 'o' || cond[0] == 'u') &&
cond[1] == '\0')
return 1;
if (((cond[0] == 'g' && cond[1] == 'e') ||
(cond[0] == 'l' && (cond[1] == 'e' ||
cond[1] == 'g')) ||
(cond[0] == 'n' && (cond[1] == 'e' ||
cond[1] == 'z')) ||
(cond[0] == 'u' && (cond[1] == 'e' ||
cond[1] == 'g' ||
cond[1] == 'l'))) &&
cond[2] == '\0')
return 1;
if (cond[0] == 'u' &&
(cond[1] == 'g' || cond[1] == 'l') &&
cond[2] == 'e' &&
cond[3] == '\0')
return 1;
return 0;
}
static struct ins_ops *sparc__associate_instruction_ops(struct arch *arch, const char *name)
{
struct ins_ops *ops = NULL;
if (!strcmp(name, "call") ||
!strcmp(name, "jmp") ||
!strcmp(name, "jmpl")) {
ops = &call_ops;
} else if (!strcmp(name, "ret") ||
!strcmp(name, "retl") ||
!strcmp(name, "return")) {
ops = &ret_ops;
} else if (!strcmp(name, "mov")) {
ops = &mov_ops;
} else {
if (name[0] == 'c' &&
(name[1] == 'w' || name[1] == 'x'))
name += 2;
if (name[0] == 'b') {
const char *cond = name + 1;
if (cond[0] == 'r') {
if (is_branch_reg_cond(cond + 1))
ops = &jump_ops;
} else if (is_branch_cond(cond)) {
ops = &jump_ops;
}
} else if (name[0] == 'f' && name[1] == 'b') {
if (is_branch_float_cond(name + 2))
ops = &jump_ops;
}
}
if (ops)
arch__associate_ins_ops(arch, name, ops);
return ops;
}
static int sparc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
{
if (!arch->initialized) {
arch->initialized = true;
arch->associate_instruction_ops = sparc__associate_instruction_ops;
arch->objdump.comment_char = '#';
}
return 0;
}
......@@ -139,6 +139,7 @@ static int arch__associate_ins_ops(struct arch* arch, const char *name, struct i
#include "arch/x86/annotate/instructions.c"
#include "arch/powerpc/annotate/instructions.c"
#include "arch/s390/annotate/instructions.c"
#include "arch/sparc/annotate/instructions.c"
static struct arch architectures[] = {
{
......@@ -170,6 +171,13 @@ static struct arch architectures[] = {
.comment_char = '#',
},
},
{
.name = "sparc",
.init = sparc__annotate_init,
.objdump = {
.comment_char = '#',
},
},
};
static void ins__delete(struct ins_operands *ops)
......
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