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Searched refs:brk (Results 1 – 25 of 151) sorted by relevance

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/linux/arch/powerpc/kernel/
H A Ddawr.c19 int set_dawr(int nr, struct arch_hw_breakpoint *brk) in set_dawr() argument
23 dawr = brk->address; in set_dawr()
25 dawrx = (brk->type & (HW_BRK_TYPE_READ | HW_BRK_TYPE_WRITE)) in set_dawr()
27 dawrx |= ((brk->type & (HW_BRK_TYPE_TRANSLATE)) >> 2) << (63 - 59); in set_dawr()
28 dawrx |= (brk->type & (HW_BRK_TYPE_PRIV_ALL)) >> 3; in set_dawr()
33 * brk->hw_len is in bytes. in set_dawr()
36 mrd = ((brk->hw_len + 7) >> 3) - 1; in set_dawr()
H A Dprocess.c758 static void set_breakpoint(int i, struct arch_hw_breakpoint *brk) in set_breakpoint() argument
761 __set_breakpoint(i, brk); in set_breakpoint()
805 static inline int set_dabr(struct arch_hw_breakpoint *brk) in set_dabr() argument
809 dabr = brk->address | (brk->type & HW_BRK_TYPE_DABR); in set_dabr()
810 dabrx = ((brk->type >> 3) & 0x7); in set_dabr()
830 static inline int set_breakpoint_8xx(struct arch_hw_breakpoint *brk) in set_breakpoint_8xx() argument
835 unsigned long start_addr = ALIGN_DOWN(brk->address, HW_BREAKPOINT_SIZE); in set_breakpoint_8xx()
836 unsigned long end_addr = ALIGN(brk->address + brk in set_breakpoint_8xx()
863 set_hw_breakpoint(int nr,struct arch_hw_breakpoint * brk) set_hw_breakpoint() argument
878 __set_breakpoint(int nr,struct arch_hw_breakpoint * brk) __set_breakpoint() argument
899 struct arch_hw_breakpoint brk = {0}; suspend_breakpoints() local
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/linux/arch/powerpc/kernel/ptrace/
H A Dptrace-noadv.c202 struct arch_hw_breakpoint brk; in ppc_set_hwdebug() local
217 brk.address = ALIGN_DOWN(bp_info->addr, HW_BREAKPOINT_SIZE); in ppc_set_hwdebug()
218 brk.type = HW_BRK_TYPE_TRANSLATE | HW_BRK_TYPE_PRIV_ALL; in ppc_set_hwdebug()
219 brk.len = DABR_MAX_LEN; in ppc_set_hwdebug()
220 brk.hw_len = DABR_MAX_LEN; in ppc_set_hwdebug()
222 brk.type |= HW_BRK_TYPE_READ; in ppc_set_hwdebug()
224 brk.type |= HW_BRK_TYPE_WRITE; in ppc_set_hwdebug()
241 arch_bp_generic_fields(brk.type, &attr.bp_type); in ppc_set_hwdebug()
263 child->thread.hw_brk[i] = brk; in ppc_set_hwdebug()
/linux/mm/
H A Dinit-mm.c52 void *end_data, void *brk) in setup_initial_init_mm() argument
57 init_mm.brk = (unsigned long)brk; in setup_initial_init_mm()
H A Dnommu.c375 * like trying to un-brk an area that has already been mapped
379 SYSCALL_DEFINE1(brk, unsigned long, brk) in SYSCALL_DEFINE1() argument
383 if (brk < mm->start_brk || brk > mm->context.end_brk) in SYSCALL_DEFINE1()
384 return mm->brk; in SYSCALL_DEFINE1()
386 if (mm->brk == brk) in SYSCALL_DEFINE1()
387 return mm->brk; in SYSCALL_DEFINE1()
390 * Always allow shrinking brk in SYSCALL_DEFINE1()
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H A Dmmap.c115 SYSCALL_DEFINE1(brk, unsigned long, brk) in SYSCALL_DEFINE1() argument
128 origbrk = mm->brk; in SYSCALL_DEFINE1()
140 if (brk < min_brk) in SYSCALL_DEFINE1()
149 if (check_data_rlimit(rlimit(RLIMIT_DATA), brk, mm->start_brk, in SYSCALL_DEFINE1()
153 newbrk = PAGE_ALIGN(brk); in SYSCALL_DEFINE1()
154 oldbrk = PAGE_ALIGN(mm->brk); in SYSCALL_DEFINE1()
156 mm->brk = brk; in SYSCALL_DEFINE1()
160 /* Always allow shrinking brk in SYSCALL_DEFINE1()
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/linux/arch/arm64/include/asm/
H A Dasm-bug.h8 #include <asm/brk-imm.h>
45 brk BUG_BRK_IMM
65 __stringify(brk BUG_BRK_IMM)
/linux/arch/s390/kernel/
H A Dprocess.c251 ret = PAGE_ALIGN(mm->brk + brk_rnd()); in arch_randomize_brk()
252 return (ret > mm->brk) ? ret : mm->brk; in arch_randomize_brk()
/linux/arch/powerpc/include/asm/
H A Dhw_breakpoint.h121 int set_dawr(int nr, struct arch_hw_breakpoint *brk);
124 static inline int set_dawr(int nr, struct arch_hw_breakpoint *brk) { return -1; } in set_dawr() argument
H A Ddebug.h48 void __set_breakpoint(int nr, struct arch_hw_breakpoint *brk);
/linux/arch/x86/kernel/
H A Dvmlinux.lds.S388 .brk : AT(ADDR(.brk) - LOAD_OFFSET) {
391 *(.bss..brk) /* areas brk users have reserved */ argument
404 * Resides after _end because even though the .brk section is after argument
405 * __end_of_kernel_reserve, the .brk section is later reserved as a
/linux/arch/arm64/kernel/probes/
H A Dkprobes_trampoline.S18 brk #KRETPROBES_BRK_IMM
/linux/include/linux/
H A Delf-randomize.h13 # define arch_randomize_brk(mm) (mm->brk)
H A Dserial.h42 __u32 frame, parity, overrun, brk; member
/linux/Documentation/arch/arm64/
H A Dtagged-address-abi.rst36 - ``brk()`` syscall (i.e. the heap area between the initial location of
50 - ``brk()``, ``mmap()`` and the ``new_address`` argument to
55 incorrectly accept valid tagged pointers for the ``brk()``,
126 - ``brk()`` (since kernel v5.6).
/linux/Documentation/bpf/
H A Dprog_lsm.rst31 unsigned long start_brk, brk, start_stack;
35 unsigned long start_brk, brk, start_stack;
80 vma->vm_end <= vma->vm_mm->brk);
/linux/arch/microblaze/boot/dts/
H A Dsystem.dts93 xlnx,number-of-pc-brk = <0x1>;
94 xlnx,number-of-rd-addr-brk = <0x0>;
95 xlnx,number-of-wr-addr-brk = <0x0>;
106 xlnx,use-ext-brk = <0x1>;
107 xlnx,use-ext-nm-brk = <0x1>;
/linux/Documentation/translations/zh_CN/mm/
H A Dovercommit-accounting.rst75 * 我们的审计 brk
/linux/drivers/tty/serial/
H A Dzs.c578 icount->brk++; in zs_receive_chars()
652 u8 status, brk; in zs_status_handle() local
660 brk = status & BRK_ABRT; in zs_status_handle()
661 if (brk && !zport->brk) { in zs_status_handle()
669 zport->brk = brk; in zs_status_handle()
797 zport->brk = read_zsreg(zport, R0) & BRK_ABRT; in zs_startup()
H A Dfsl_linflexuart.c232 bool brk; in linflex_rxint() local
239 brk = false; in linflex_rxint()
249 brk = true; in linflex_rxint()
250 sport->icount.brk++; in linflex_rxint()
261 if (brk) { in linflex_rxint()
/linux/arch/x86/include/asm/
H A Dsetup.h110 /* exceedingly early brk-like allocator */
115 * Reserve space in the .brk section, which is a block of memory from which the
123 __section(".bss..brk") __aligned(1) __used \
151 .pushsection .bss..brk, "aw"
/linux/include/uapi/linux/
H A Dserial.h106 int frame, overrun, parity, brk; member
/linux/drivers/tty/
H A Dn_gsm.c457 static int gsm_modem_update(struct gsm_dlci *dlci, u8 brk);
1300 * @brk: break signal
1309 u8 brk) in gsm_dlci_modem_output() argument
1321 if (brk > 0) in gsm_dlci_modem_output()
1340 if (brk == 0) { in gsm_dlci_modem_output()
1344 *dp++ = (brk << 4) | 2 | EA; /* Length, Break, EA */ in gsm_dlci_modem_output()
1511 u8 brk = 0; in gsm_process_modem() local
1522 brk = modem & 0x7f; in gsm_process_modem()
1552 if (brk & 0x01) in gsm_process_modem()
4116 * @brk
4122 gsm_modem_upd_via_data(struct gsm_dlci * dlci,u8 brk) gsm_modem_upd_via_data() argument
4141 gsm_modem_upd_via_msc(struct gsm_dlci * dlci,u8 brk) gsm_modem_upd_via_msc() argument
4170 gsm_modem_update(struct gsm_dlci * dlci,u8 brk) gsm_modem_update() argument
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/linux/tools/testing/selftests/nolibc/
H A Dnolibc-test.c711 char *brk = sbrk(0) != (void *)-1 ? sbrk(0) : &end; in run_startup() local
726 CASE_TEST(argv_addr); EXPECT_PTRGT(1, test_argv, brk); break; in run_startup()
729 CASE_TEST(argv0_addr); EXPECT_PTRGT(1, argv0, brk); break; in run_startup()
730 CASE_TEST(argv0_str); EXPECT_STRNZ(1, argv0 > brk ? argv0 : NULL); break; in run_startup()
731 CASE_TEST(argv0_len); EXPECT_GE(1, argv0 > brk ? strlen(argv0) : 0, 1); break; in run_startup()
732 CASE_TEST(environ_addr); EXPECT_PTRGT(1, environ, brk); break; in run_startup()
737 CASE_TEST(auxv_addr); EXPECT_PTRGT(test_auxv != (void *)-1, test_auxv, brk); break; in run_startup()
1302 /* on musl setting brk()/sbrk() always fails */ in run_syscall()
1303 has_brk = brk(0) == 0; in run_syscall()
1327 CASE_TEST(brk); EXPECT_SYSZ in run_syscall()
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/linux/arch/alpha/kernel/
H A Dosf_sys.c54 * Brk needs to return an error. Still support Linux's brk(0) query idiom,
59 SYSCALL_DEFINE1(osf_brk, unsigned long, brk) in SYSCALL_DEFINE1() argument
61 unsigned long retval = sys_brk(brk); in SYSCALL_DEFINE1()
62 if (brk && brk != retval) in SYSCALL_DEFINE1()
79 mm->brk = bss_start + bss_len; in SYSCALL_DEFINE4()

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