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Date:      Mon, 08 Dec 2025 14:17:48 +0000
From:      Mark Johnston <markj@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Cc:        Minsoo Choo <minsoochoo0122@proton.me>
Subject:   git: 2553f68ff13f - stable/15 - libdtrace: remove sparc code
Message-ID:  <6936de0c.30347.fe57813@gitrepo.freebsd.org>

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The branch stable/15 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=2553f68ff13f35d5e47f015e7094940b9cddb629

commit 2553f68ff13f35d5e47f015e7094940b9cddb629
Author:     Minsoo Choo <minsoochoo0122@proton.me>
AuthorDate: 2025-11-29 19:02:59 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2025-12-08 14:15:24 +0000

    libdtrace: remove sparc code
    
    Signed-off-by: Minsoo Choo <minsoochoo0122@proton.me>
    
    Reviewed by:    markj
    MFC after:      1 week
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/1907
    
    (cherry picked from commit dfd35cd244c081dad9bc0fa602ee230e4ea1d5c2)
---
 .../opensolaris/lib/libdtrace/sparc/dt_isadep.c    | 338 ---------------------
 .../contrib/opensolaris/lib/libdtrace/sparc/regs.d | 120 --------
 2 files changed, 458 deletions(-)

diff --git a/cddl/contrib/opensolaris/lib/libdtrace/sparc/dt_isadep.c b/cddl/contrib/opensolaris/lib/libdtrace/sparc/dt_isadep.c
deleted file mode 100644
index ed05275e7f83..000000000000
--- a/cddl/contrib/opensolaris/lib/libdtrace/sparc/dt_isadep.c
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-#include <stdlib.h>
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-#include <libgen.h>
-
-#include <dt_impl.h>
-#include <dt_pid.h>
-
-#define	OP(x)		((x) >> 30)
-#define	OP2(x)		(((x) >> 22) & 0x07)
-#define	COND(x)		(((x) >> 25) & 0x0f)
-#define	A(x)		(((x) >> 29) & 0x01)
-
-#define	OP_BRANCH	0
-
-#define	OP2_BPcc	0x1
-#define	OP2_Bicc	0x2
-#define	OP2_BPr		0x3
-#define	OP2_FBPfcc	0x5
-#define	OP2_FBfcc	0x6
-
-/*ARGSUSED*/
-int
-dt_pid_create_entry_probe(struct ps_prochandle *P, dtrace_hdl_t *dtp,
-    fasttrap_probe_spec_t *ftp, const GElf_Sym *symp)
-{
-	ftp->ftps_type = DTFTP_ENTRY;
-	ftp->ftps_pc = (uintptr_t)symp->st_value;
-	ftp->ftps_size = (size_t)symp->st_size;
-	ftp->ftps_noffs = 1;
-	ftp->ftps_offs[0] = 0;
-
-	if (ioctl(dtp->dt_ftfd, FASTTRAPIOC_MAKEPROBE, ftp) != 0) {
-		dt_dprintf("fasttrap probe creation ioctl failed: %s\n",
-		    strerror(errno));
-		return (dt_set_errno(dtp, errno));
-	}
-
-	return (1);
-}
-
-int
-dt_pid_create_return_probe(struct ps_prochandle *P, dtrace_hdl_t *dtp,
-    fasttrap_probe_spec_t *ftp, const GElf_Sym *symp, uint64_t *stret)
-{
-
-	uint32_t *text;
-	int i;
-	int srdepth = 0;
-
-	if ((text = malloc(symp->st_size + 4)) == NULL) {
-		dt_dprintf("mr sparkle: malloc() failed\n");
-		return (DT_PROC_ERR);
-	}
-
-	if (Pread(P, text, symp->st_size, symp->st_value) != symp->st_size) {
-		dt_dprintf("mr sparkle: Pread() failed\n");
-		free(text);
-		return (DT_PROC_ERR);
-	}
-
-	/*
-	 * Leave a dummy instruction in the last slot to simplify edge
-	 * conditions.
-	 */
-	text[symp->st_size / 4] = 0;
-
-	ftp->ftps_type = DTFTP_RETURN;
-	ftp->ftps_pc = symp->st_value;
-	ftp->ftps_size = symp->st_size;
-	ftp->ftps_noffs = 0;
-
-	for (i = 0; i < symp->st_size / 4; i++) {
-		/*
-		 * If we encounter an existing tracepoint, query the
-		 * kernel to find out the instruction that was
-		 * replaced at this spot.
-		 */
-		while (text[i] == FASTTRAP_INSTR) {
-			fasttrap_instr_query_t instr;
-
-			instr.ftiq_pid = Pstatus(P)->pr_pid;
-			instr.ftiq_pc = symp->st_value + i * 4;
-
-			if (ioctl(dtp->dt_ftfd, FASTTRAPIOC_GETINSTR,
-			    &instr) != 0) {
-
-				if (errno == ESRCH || errno == ENOENT) {
-					if (Pread(P, &text[i], 4,
-					    instr.ftiq_pc) != 4) {
-						dt_dprintf("mr sparkle: "
-						    "Pread() failed\n");
-						free(text);
-						return (DT_PROC_ERR);
-					}
-					continue;
-				}
-
-				free(text);
-				dt_dprintf("mr sparkle: getinstr query "
-				    "failed: %s\n", strerror(errno));
-				return (DT_PROC_ERR);
-			}
-
-			text[i] = instr.ftiq_instr;
-			break;
-		}
-
-		/* save */
-		if ((text[i] & 0xc1f80000) == 0x81e00000) {
-			srdepth++;
-			continue;
-		}
-
-		/* restore */
-		if ((text[i] & 0xc1f80000) == 0x81e80000) {
-			srdepth--;
-			continue;
-		}
-
-		if (srdepth > 0) {
-			/* ret */
-			if (text[i] == 0x81c7e008)
-				goto is_ret;
-
-			/* return */
-			if (text[i] == 0x81cfe008)
-				goto is_ret;
-
-			/* call or jmpl w/ restore in the slot */
-			if (((text[i] & 0xc0000000) == 0x40000000 ||
-			    (text[i] & 0xc1f80000) == 0x81c00000) &&
-			    (text[i + 1] & 0xc1f80000) == 0x81e80000)
-				goto is_ret;
-
-			/* call to one of the stret routines */
-			if ((text[i] & 0xc0000000) == 0x40000000) {
-				int32_t	disp = text[i] << 2;
-				uint64_t dest = ftp->ftps_pc + i * 4 + disp;
-
-				dt_dprintf("dest = %llx\n", (u_longlong_t)dest);
-
-				if (dest == stret[0] || dest == stret[1] ||
-				    dest == stret[2] || dest == stret[3])
-					goto is_ret;
-			}
-		} else {
-			/* external call */
-			if ((text[i] & 0xc0000000) == 0x40000000) {
-				int32_t dst = text[i] << 2;
-
-				dst += i * 4;
-
-				if ((uintptr_t)dst >= (uintptr_t)symp->st_size)
-					goto is_ret;
-			}
-
-			/* jmpl into %g0 -- this includes the retl pseudo op */
-			if ((text[i] & 0xfff80000) == 0x81c00000)
-				goto is_ret;
-
-			/* external branch -- possible return site */
-			if (OP(text[i]) == OP_BRANCH) {
-				int32_t dst;
-				int baa;
-
-				switch (OP2(text[i])) {
-				case OP2_BPcc:
-					dst = text[i] & 0x7ffff;
-					dst <<= 13;
-					dst >>= 11;
-
-					baa = COND(text[i]) == 8 && A(text[i]);
-					break;
-				case OP2_Bicc:
-					dst = text[i] & 0x3fffff;
-					dst <<= 10;
-					dst >>= 8;
-
-					baa = COND(text[i]) == 8 && A(text[i]);
-					break;
-				case OP2_BPr:
-					dst = (((text[i]) >> 6) & 0xc000) |
-					    ((text[i]) & 0x3fff);
-					dst <<= 16;
-					dst >>= 14;
-
-					baa = 0;
-					break;
-				case OP2_FBPfcc:
-					dst = text[i] & 0x7ffff;
-					dst <<= 13;
-					dst >>= 11;
-
-					baa = COND(text[i]) == 8 && A(text[i]);
-					break;
-				case OP2_FBfcc:
-					dst = text[i] & 0x3fffff;
-					dst <<= 10;
-					dst >>= 8;
-
-					baa = COND(text[i]) == 8 && A(text[i]);
-					break;
-				default:
-					continue;
-				}
-
-				dst += i * 4;
-
-				/*
-				 * Interpret branches outside of the function's
-				 * bounds as potential return sites. If the
-				 * branch is a ba,a don't skip the instruction
-				 * in the delay slot.
-				 */
-				if ((uintptr_t)dst >=
-				    (uintptr_t)symp->st_size) {
-					if (baa)
-						goto is_ret_baa;
-					else
-						goto is_ret;
-				}
-			}
-		}
-
-		continue;
-is_ret:
-		i++;
-is_ret_baa:
-		dt_dprintf("return at offset %x\n", i * 4);
-		ftp->ftps_offs[ftp->ftps_noffs++] = i * 4;
-	}
-
-	free(text);
-	if (ftp->ftps_noffs > 0) {
-		if (ioctl(dtp->dt_ftfd, FASTTRAPIOC_MAKEPROBE, ftp) != 0) {
-			dt_dprintf("fasttrap probe creation ioctl failed: %s\n",
-			    strerror(errno));
-			return (dt_set_errno(dtp, errno));
-		}
-	}
-
-
-	return (ftp->ftps_noffs);
-}
-
-/*ARGSUSED*/
-int
-dt_pid_create_offset_probe(struct ps_prochandle *P, dtrace_hdl_t *dtp,
-    fasttrap_probe_spec_t *ftp, const GElf_Sym *symp, ulong_t off)
-{
-	if (off & 0x3)
-		return (DT_PROC_ALIGN);
-
-	ftp->ftps_type = DTFTP_OFFSETS;
-	ftp->ftps_pc = (uintptr_t)symp->st_value;
-	ftp->ftps_size = (size_t)symp->st_size;
-	ftp->ftps_noffs = 1;
-	ftp->ftps_offs[0] = off;
-
-	if (ioctl(dtp->dt_ftfd, FASTTRAPIOC_MAKEPROBE, ftp) != 0) {
-		dt_dprintf("fasttrap probe creation ioctl failed: %s\n",
-		    strerror(errno));
-		return (dt_set_errno(dtp, errno));
-	}
-
-	return (1);
-}
-
-/*ARGSUSED*/
-int
-dt_pid_create_glob_offset_probes(struct ps_prochandle *P, dtrace_hdl_t *dtp,
-    fasttrap_probe_spec_t *ftp, const GElf_Sym *symp, const char *pattern)
-{
-	ulong_t i;
-
-	ftp->ftps_type = DTFTP_OFFSETS;
-	ftp->ftps_pc = (uintptr_t)symp->st_value;
-	ftp->ftps_size = (size_t)symp->st_size;
-	ftp->ftps_noffs = 0;
-
-	/*
-	 * If we're matching against everything, just iterate through each
-	 * instruction in the function, otherwise look for matching offset
-	 * names by constructing the string and comparing it against the
-	 * pattern.
-	 */
-	if (strcmp("*", pattern) == 0) {
-		for (i = 0; i < symp->st_size; i += 4) {
-			ftp->ftps_offs[ftp->ftps_noffs++] = i;
-		}
-	} else {
-		char name[sizeof (i) * 2 + 1];
-
-		for (i = 0; i < symp->st_size; i += 4) {
-			(void) sprintf(name, "%lx", i);
-			if (gmatch(name, pattern))
-				ftp->ftps_offs[ftp->ftps_noffs++] = i;
-		}
-	}
-
-	if (ioctl(dtp->dt_ftfd, FASTTRAPIOC_MAKEPROBE, ftp) != 0) {
-		dt_dprintf("fasttrap probe creation ioctl failed: %s\n",
-		    strerror(errno));
-		return (dt_set_errno(dtp, errno));
-	}
-
-	return (ftp->ftps_noffs);
-}
diff --git a/cddl/contrib/opensolaris/lib/libdtrace/sparc/regs.d b/cddl/contrib/opensolaris/lib/libdtrace/sparc/regs.d
deleted file mode 100644
index 7c4bc0fac519..000000000000
--- a/cddl/contrib/opensolaris/lib/libdtrace/sparc/regs.d
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-inline int R_G0	= 0;
-#pragma D binding "1.0" R_G0
-inline int R_G1	= 1;
-#pragma D binding "1.0" R_G1
-inline int R_G2	= 2;
-#pragma D binding "1.0" R_G2
-inline int R_G3	= 3;
-#pragma D binding "1.0" R_G3
-inline int R_G4	= 4;
-#pragma D binding "1.0" R_G4
-inline int R_G5	= 5;
-#pragma D binding "1.0" R_G5
-inline int R_G6	= 6;
-#pragma D binding "1.0" R_G6
-inline int R_G7	= 7;
-#pragma D binding "1.0" R_G7
-
-inline int R_O0	= 8;
-#pragma D binding "1.0" R_O0
-inline int R_O1	= 9;
-#pragma D binding "1.0" R_O1
-inline int R_O2	= 10;
-#pragma D binding "1.0" R_O2
-inline int R_O3	= 11;
-#pragma D binding "1.0" R_O3
-inline int R_O4	= 12;
-#pragma D binding "1.0" R_O4
-inline int R_O5	= 13;
-#pragma D binding "1.0" R_O5
-inline int R_O6	= 14;
-#pragma D binding "1.0" R_O6
-inline int R_O7	= 15;
-#pragma D binding "1.0" R_O7
-
-inline int R_L0	= 16;
-#pragma D binding "1.0" R_L0
-inline int R_L1	= 17;
-#pragma D binding "1.0" R_L1
-inline int R_L2	= 18;
-#pragma D binding "1.0" R_L2
-inline int R_L3	= 19;
-#pragma D binding "1.0" R_L3
-inline int R_L4	= 20;
-#pragma D binding "1.0" R_L4
-inline int R_L5	= 21;
-#pragma D binding "1.0" R_L5
-inline int R_L6	= 22;
-#pragma D binding "1.0" R_L6
-inline int R_L7	= 23;
-#pragma D binding "1.0" R_L7
-
-inline int R_I0	= 24;
-#pragma D binding "1.0" R_I0
-inline int R_I1	= 25;
-#pragma D binding "1.0" R_I1
-inline int R_I2	= 26;
-#pragma D binding "1.0" R_I2
-inline int R_I3	= 27;
-#pragma D binding "1.0" R_I3
-inline int R_I4	= 28;
-#pragma D binding "1.0" R_I4
-inline int R_I5	= 29;
-#pragma D binding "1.0" R_I5
-inline int R_I6	= 30;
-#pragma D binding "1.0" R_I6
-inline int R_I7	= 31;
-#pragma D binding "1.0" R_I7
-
-inline int R_CCR = 32;
-#pragma D binding "1.0" R_CCR
-inline int R_PC = 33;
-#pragma D binding "1.0" R_PC
-inline int R_nPC = 34;
-#pragma D binding "1.0" R_nPC
-inline int R_NPC = R_nPC;
-#pragma D binding "1.0" R_NPC
-inline int R_Y = 35;
-#pragma D binding "1.0" R_Y
-inline int R_ASI = 36;
-#pragma D binding "1.0" R_ASI
-inline int R_FPRS = 37;
-#pragma D binding "1.0" R_FPRS
-inline int R_PS = R_CCR;
-#pragma D binding "1.0" R_PS
-inline int R_SP = R_O6;
-#pragma D binding "1.0" R_SP
-inline int R_FP = R_I6;
-#pragma D binding "1.0" R_FP
-inline int R_R0 = R_O0;
-#pragma D binding "1.0" R_R0
-inline int R_R1 = R_O1;
-#pragma D binding "1.0" R_R1



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