Discarded input sections

 .text          0x00000000        0x0 build/main.o
 .data          0x00000000        0x0 build/main.o
 .bss           0x00000000        0x0 build/main.o
 .group         0x00000000        0xc build/startup.o
 .group         0x00000000        0xc build/startup.o
 .group         0x00000000        0xc build/startup.o
 .group         0x00000000        0xc build/startup.o
 .group         0x00000000        0xc build/startup.o
 .group         0x00000000        0xc build/startup.o
 .text          0x00000000        0x0 build/startup.o
 .data          0x00000000        0x0 build/startup.o
 .bss           0x00000000        0x0 build/startup.o

Memory Configuration

Name             Origin             Length             Attributes
flash            0x08000000         0x00080000         xr
sram             0x20000000         0x00020000         xrw
*default*        0x00000000         0xffffffff

Linker script and memory map

LOAD /nix/store/yr89i11mszv2az19r26l372zgaiivj1c-gcc-arm-embedded-12.3.rel1/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/libc_nano.a
LOAD /nix/store/yr89i11mszv2az19r26l372zgaiivj1c-gcc-arm-embedded-12.3.rel1/bin/../lib/gcc/arm-none-eabi/12.3.1/libgcc.a
LOAD build/main.o
LOAD build/startup.o
                0x20020000                        stack_start = (ORIGIN (sram) + LENGTH (sram))

.isr_vector     0x08000000      0x198
                0x08000000                        . = ALIGN (0x4)
 *(.isr_vector)
 .isr_vector    0x08000000      0x198 build/startup.o
                0x08000000                interrupt_vector_table
                0x08000198                        . = ALIGN (0x4)

.text           0x08000198       0x84
                0x08000198                        . = ALIGN (0x4)
 *(.text)
 *(.text.*)
 .text.main     0x08000198       0x10 build/main.o
                0x08000198                main
 .text.init_memory
                0x080001a8       0x64 build/startup.o
                0x080001a8                init_memory
 .text.reset    0x0800020c       0x10 build/startup.o
                0x0800020c                reset
 *(.rodata)
 *(.rodata.*)
                0x0800021c                        . = ALIGN (0x4)
                0x0800021c                        _data_addr = LOADADDR (.data)

.glue_7         0x0800021c        0x0
 .glue_7        0x0800021c        0x0 linker stubs

.glue_7t        0x0800021c        0x0
 .glue_7t       0x0800021c        0x0 linker stubs

.vfp11_veneer   0x0800021c        0x0
 .vfp11_veneer  0x0800021c        0x0 linker stubs

.v4_bx          0x0800021c        0x0
 .v4_bx         0x0800021c        0x0 linker stubs

.iplt           0x0800021c        0x0
 .iplt          0x0800021c        0x0 build/startup.o

.rel.dyn        0x0800021c        0x0
 .rel.iplt      0x0800021c        0x0 build/startup.o

.data           0x20000000        0x0 load address 0x0800021c
                0x20000000                        . = ALIGN (0x4)
                0x20000000                        _data_start = .
 *(.data)
 *(.data.*)
                0x20000000                        . = ALIGN (0x4)
                0x20000000                        _data_end = .

.igot.plt       0x20000000        0x0 load address 0x0800021c
 .igot.plt      0x20000000        0x0 build/startup.o

.bss            0x20000000        0x0 load address 0x0800021c
                0x20000000                        . = ALIGN (0x4)
                0x20000000                        _bss_start = .
 *(.bss)
 *(.bss.*)
                0x20000000                        _bss_end = .
                0x20000000                        . = ALIGN (0x4)
OUTPUT(build/final.elf elf32-littlearm)
LOAD linker stubs

.debug_info     0x00000000      0x1be
 .debug_info    0x00000000       0x48 build/main.o
 .debug_info    0x00000048      0x176 build/startup.o

.debug_abbrev   0x00000000      0x14a
 .debug_abbrev  0x00000000       0x3c build/main.o
 .debug_abbrev  0x0000003c      0x10e build/startup.o

.debug_aranges  0x00000000       0x48
 .debug_aranges
                0x00000000       0x20 build/main.o
 .debug_aranges
                0x00000020       0x28 build/startup.o

.debug_rnglists
                0x00000000       0x2c
 .debug_rnglists
                0x00000000       0x13 build/main.o
 .debug_rnglists
                0x00000013       0x19 build/startup.o

.debug_macro    0x00000000     0x19f9
 .debug_macro   0x00000000      0xab0 build/main.o
 .debug_macro   0x00000ab0      0xafc build/startup.o
 .debug_macro   0x000015ac       0x22 build/startup.o
 .debug_macro   0x000015ce       0x8e build/startup.o
 .debug_macro   0x0000165c       0x51 build/startup.o
 .debug_macro   0x000016ad      0x103 build/startup.o
 .debug_macro   0x000017b0       0x6a build/startup.o
 .debug_macro   0x0000181a      0x1df build/startup.o

.debug_line     0x00000000      0x120
 .debug_line    0x00000000       0x4f build/main.o
 .debug_line    0x0000004f       0xd1 build/startup.o

.debug_str      0x00000000     0x3bf0
 .debug_str     0x00000000     0x2db0 build/main.o
 .debug_str     0x00002db0      0xe40 build/startup.o
                               0x3d41 (size before relaxing)

.comment        0x00000000       0x45
 .comment       0x00000000       0x45 build/main.o
                                 0x46 (size before relaxing)
 .comment       0x00000045       0x46 build/startup.o

.ARM.attributes
                0x00000000       0x34
 .ARM.attributes
                0x00000000       0x34 build/main.o
 .ARM.attributes
                0x00000034       0x34 build/startup.o

.debug_line_str
                0x00000000      0x210
 .debug_line_str
                0x00000000       0x35 build/main.o
 .debug_line_str
                0x00000035      0x1db build/startup.o
                                0x21b (size before relaxing)

.debug_frame    0x00000000       0x84
 .debug_frame   0x00000000       0x30 build/main.o
 .debug_frame   0x00000030       0x54 build/startup.o