The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=dfd35cd244c081dad9bc0fa602ee230e4ea1d5c2
commit dfd35cd244c081dad9bc0fa602ee230e4ea1d5c2 Author: Minsoo Choo <[email protected]> AuthorDate: 2025-11-29 19:02:59 +0000 Commit: Mark Johnston <[email protected]> CommitDate: 2025-12-01 14:19:19 +0000 libdtrace: remove sparc code Signed-off-by: Minsoo Choo <[email protected]> Reviewed by: markj MFC after: 1 week Pull Request: https://github.com/freebsd/freebsd-src/pull/1907 --- .../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
