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dtrace: Drop illumos ifdefs for CPU register definitions

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These are fixed, so having upstream's version is not especially useful,
and the duplicated definitions make for confusing reading.  No
functional change intended.

MFC after:	1 week
This commit is contained in:
Mark Johnston 2022-10-12 15:59:00 -04:00
parent f428cd0ebf
commit b34a6e0fed
2 changed files with 0 additions and 60 deletions
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8
sys/cddl/dev/dtrace/amd64/dtrace_isa.c
View File

@ -501,11 +501,7 @@ dtrace_getreg(struct trapframe *rp, uint_t reg)
REG_SS /* 18 SS */
};
#ifdef illumos
if (reg <= SS) {
#else /* !illumos */
if (reg <= GS) {
#endif
if (reg >= sizeof (regmap) / sizeof (int)) {
DTRACE_CPUFLAG_SET(CPU_DTRACE_ILLOP);
return (0);
@ -514,11 +510,7 @@ dtrace_getreg(struct trapframe *rp, uint_t reg)
reg = regmap[reg];
} else {
/* This is dependent on reg.d. */
#ifdef illumos
reg -= SS + 1;
#else /* !illumos */
reg -= GS + 1;
#endif
}
switch (reg) {

52
sys/cddl/dev/dtrace/x86/regset.h
View File

@ -61,35 +61,6 @@ extern "C" {
#define REG_GSBASE 27
#define REG_FSBASE 26
#ifdef illumos
#define REG_DS 25
#define REG_ES 24
#define REG_GS 23
#define REG_FS 22
#define REG_SS 21
#define REG_RSP 20
#define REG_RFL 19
#define REG_CS 18
#define REG_RIP 17
#define REG_ERR 16
#define REG_TRAPNO 15
#define REG_RAX 14
#define REG_RCX 13
#define REG_RDX 12
#define REG_RBX 11
#define REG_RBP 10
#define REG_RSI 9
#define REG_RDI 8
#define REG_R8 7
#define REG_R9 6
#define REG_R10 5
#define REG_R11 4
#define REG_R12 3
#define REG_R13 2
#define REG_R14 1
#define REG_R15 0
#else /* !illumos */
#define REG_SS 25
#define REG_RSP 24
#define REG_RFL 23
@ -116,33 +87,11 @@ extern "C" {
#define REG_R13 2
#define REG_R14 1
#define REG_R15 0
#endif /* illumos */
/*
* The names and offsets defined here are specified by i386 ABI suppl.
*/
#ifdef illumos
#define SS 18 /* only stored on a privilege transition */
#define UESP 17 /* only stored on a privilege transition */
#define EFL 16
#define CS 15
#define EIP 14
#define ERR 13
#define TRAPNO 12
#define EAX 11
#define ECX 10
#define EDX 9
#define EBX 8
#define ESP 7
#define EBP 6
#define ESI 5
#define EDI 4
#define DS 3
#define ES 2
#define FS 1
#define GS 0
#else /* !illumos */
#define GS 18
#define SS 17 /* only stored on a privilege transition */
#define UESP 16 /* only stored on a privilege transition */
@ -162,7 +111,6 @@ extern "C" {
#define DS 2
#define ES 1
#define FS 0
#endif /* illumos */
#define REG_PC EIP
#define REG_FP EBP