1#ifdef ARM32 2OUTPUT_FORMAT("elf32-littlearm") 3OUTPUT_ARCH(arm) 4#define MCOUNT_SYM __gnu_mcount_nc 5/* 6 * This magic value corresponds to the size requested by 7 * libutee/arch/arm/gprof/gprof.c 8 */ 9#define GPROF_BUF_MULT(x) ((x) * 136) / 100 10#endif 11#ifdef ARM64 12OUTPUT_FORMAT("elf64-littleaarch64") 13OUTPUT_ARCH(aarch64) 14#define MCOUNT_SYM _mcount 15#define GPROF_BUF_MULT(x) ((x) * 177) / 100 16#endif 17 18#ifndef CFG_FTRACE_BUF_SIZE 19#define CFG_FTRACE_BUF_SIZE 2048 20#endif 21 22SECTIONS { 23 .ta_head : {*(.ta_head)} 24 .text : { 25 __text_start = .; 26 *(.text .text.*) 27 *(.stub) 28 *(.glue_7) 29 *(.glue_7t) 30 *(.gnu.linkonce.t.*) 31 /* Workaround for an erratum in ARM's VFP11 coprocessor */ 32 *(.vfp11_veneer) 33 __text_end = .; 34 } 35 .plt : { *(.plt) } 36 37 .eh_frame : { *(.eh_frame) } 38 .rodata : { 39 *(.gnu.linkonce.r.*) 40 *(.rodata .rodata.*) 41 } 42 /* .ARM.exidx is sorted, so has to go in its own output section. */ 43 .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } 44 .ctors : { *(.ctors) } 45 .dtors : { *(.dtors) } 46 .dynsym : { *(.dynsym) } 47 .dynstr : { *(.dynstr) } 48 .hash : { *(.hash) } 49 50 /* Page align to allow dropping execute bit for RW data */ 51 . = ALIGN(4096); 52 53 .got : { *(.got.plt) *(.got) } 54 .rel.text : { *(.rel.text) *(.rel.gnu.linkonce.t*) } 55 .rela.text : { *(.rela.text) *(.rela.gnu.linkonce.t*) } 56 .rel.data : { *(.rel.data) *(.rel.gnu.linkonce.d*) } 57 .rela.data : { *(.rela.data) *(.rela.gnu.linkonce.d*) } 58 .rel.rodata : { *(.rel.rodata) *(.rel.gnu.linkonce.r*) } 59 .rela.rodata : { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } 60 .rel.dyn : { *(.rel.dyn) } 61 .rel.got : { *(.rel.got) } 62 .rela.got : { *(.rela.got) } 63 .rel.ctors : { *(.rel.ctors) } 64 .rela.ctors : { *(.rela.ctors) } 65 .rel.dtors : { *(.rel.dtors) } 66 .rela.dtors : { *(.rela.dtors) } 67 .rel.init : { *(.rel.init) } 68 .rela.init : { *(.rela.init) } 69 .rel.fini : { *(.rel.fini) } 70 .rela.fini : { *(.rela.fini) } 71 .rel.bss : { *(.rel.bss) } 72 .rela.bss : { *(.rela.bss) } 73 .rel.plt : { *(.rel.plt) } 74 .rela.plt : { *(.rela.plt) } 75 .dynamic : { *(.dynamic) } 76 77 .data : { *(.data .data.* .gnu.linkonce.d.*) } 78 .bss : { 79 *(.bss .bss.* .gnu.linkonce.b.* COMMON) 80 81 /* 82 * TA profiling with gprof 83 * Reserve some space for the profiling buffer, only if the 84 * TA is instrumented (i.e., some files were built with -pg). 85 * This also provides a way to detect at runtime if the TA is 86 * instrumented or not. 87 */ 88 . = ALIGN(8); 89 __gprof_buf_start = .; 90 . += DEFINED(MCOUNT_SYM) ? 91 GPROF_BUF_MULT(__text_end - __text_start) : 0; 92 __gprof_buf_end = .; 93 94 /* 95 * TA tracing using ftrace 96 * Reserve some space for the ftrace buffer, only if the 97 * TA is instrumented (i.e., some files were built with -pg). 98 */ 99 . = ALIGN(8); 100 __ftrace_buf_start = .; 101 . += DEFINED(MCOUNT_SYM) ? 102 CFG_FTRACE_BUF_SIZE : 0; 103 __ftrace_buf_end = .; 104 } 105 106 /DISCARD/ : { *(.interp) } 107} 108 109