File content as of revision 149:156823d33999:

LR_IROM1 0x00000000 {
  ER_IROM1 0x00000000 {  ; load address = execution address
   *(RESET, +First)
   *(InRoot$$Sections)
   .ANY (+RO)
  }
  
  ;UVISOR AlignExpr(+0, 16) {  ; 16 byte-aligned
  ;  uvisor-lib.a (+RW +ZI)
  ;}
  
  ARM_LIB_STACK 0x20000000 EMPTY 0x3000 {
  }
  
  ER_IRAMVEC 0x20003000 EMPTY (4*(16 + 142)) {  ; Reserve for vectors
  }
  
  RW_IRAM1 AlignExpr(+0, 16) {  ; 16 byte-aligned
   .ANY (+RW +ZI)
  }
  
  ; Too large to place into internal SRAM. So place into external SRAM instead.
  ER_XRAM1 0x60000000 {
    *lwip_* (+ZI)
    aes.o (+ZI)
    mesh_system.o (+ZI)
  }
  
  ; Extern SRAM for HEAP
  ARM_LIB_HEAP AlignExpr(+0, 16) EMPTY (0x60000000 + 0x100000 - AlignExpr(ImageLimit(ER_XRAM1), 16)) {
  }
}
ScatterAssert(LoadLimit(LR_IROM1) <= 0x00080000)    ; 512 KB APROM
ScatterAssert(ImageLimit(RW_IRAM1) <= 0x20010000)   ; 64 KB SRAM (internal)
ScatterAssert(ImageLimit(ARM_LIB_HEAP) <= 0x60100000)   ; 1 MB SRAM (external)